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93 companies

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6thSense makes a wearable tactile sensor and a first-person stereo camera, and sells the synchronized touch, video and motion data it records from people doing hand tasks to teams training dexterous robots.

What they offerHuman data, Training data
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

AfterQuery sells expert-created and synthetic training datasets, reinforcement-learning environments, and custom evaluations to AI labs and enterprises developing foundation models and agents.

What they offerRL environments, Training data, Evals and benchmarks, Human data
Type of workMulti-domain, Coding, Computer use, Browser, Finance, Legal, Medical
Data sourcesExpert or contractor-created, Synthetic / generated
Last checked

AI Astrolabe supplies human-written and annotated training datasets, model evaluations and red-teaming services, with a focus on Arabic dialects and other low-resource languages. Its catalog includes text, speech and audio, images, and safety preference data.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workMulti-domain, Security
Data sourcesExpert or contractor-created
Last checked

Alice, formerly ActiveFence, sells AI safety and security training datasets, agentic RL environments, and expert-led red teaming and evaluations to foundation model labs; it also sells WonderSuite guardrail software to enterprises and content moderation to online platforms.

What they offerTraining data, RL environments, Evals and benchmarks, Human data
Type of workSecurity, Computer use, Browser, Coding, Enterprise workflows
Data sourcesExpert or contractor-created, Synthetic / generated, Product replica or partner app
Last checked

Align AI sells expert-grounded training data, simulated RL environments, continuous evaluations, and in-runtime verification tools to AI labs and enterprises building agents for regulated, high-stakes work.

What they offerRL environments, Evals and benchmarks, Human data
Type of workFinance, Legal, Medical, Enterprise workflows
Data sourcesExpert or contractor-created
Last checked

Anthromind supplies AI developers, research teams, and businesses with expert-curated training and preference data, custom LLM evaluations, and fine-tuning support through tailored projects and managed data-curation services.

What they offerHuman data, Training data, Evals and benchmarks
Type of workMulti-domain, Coding
Data sourcesBuilt from customer data, Expert or contractor-created
Last checked

Apex Data Sciences, the AI division Apex CoVantage launched in 2024, sells expert RLHF and SFT data, expert-built benchmarks and image, text, video and lidar annotation to AI teams. Its parent also sells publishing, accessibility and healthcare billing services.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workCoding, Legal, Medical, Finance, Science, Robotics and physical, Multi-domain
Data sourcesExpert or contractor-created, Built from customer data
Last checked

Appen supplies AI labs and product teams with human-produced training data, annotation, expert feedback, RL environments, and model evaluations for machine-learning and agentic AI systems.

What they offerRL environments, Human data, Evals and benchmarks, Training data, Data annotation
Type of workMulti-domain, Medical, Legal, Science, Finance, Coding, Browser, Security, Enterprise workflows
Data sourcesExpert or contractor-created, Licensed real-world data
Last checked

Aptura provides expert-built training and evaluation data, benchmarks, and reinforcement-learning environments to AI labs and developers building systems for finance, healthcare, and legal work.

What they offerTraining data, Evals and benchmarks, RL environments, Human data
Type of workFinance, Medical, Legal
Data sourcesExpert or contractor-created
Last checked

Builds production-style simulated workspaces and verifiable benchmarks for AI agents, helping AI developers train and test long-horizon tasks in cybersecurity, incident response, software engineering, and tool use.

What they offerRL environments, Evals and benchmarks, Simulation
Type of workMulti-domain, Security, Coding
Data sourcesExpert or contractor-created
Last checked

Asimov collects first-person video and sensor data of people doing everyday tasks in real homes and workplaces, and delivers it as annotated datasets to robotics teams training humanoid robots.

What they offerHuman data, Training data, Data annotation
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Aviro sells reinforcement-learning environments, post-training datasets, and evaluations for AI labs and teams building long-running agents, with tasks spanning coding, computer use, and enterprise knowledge work.

What they offerRL environments, Training data, Evals and benchmarks
Type of workCoding, Computer use, Enterprise workflows, Science
Data sourcesExpert or contractor-created
Last checked

Besimple AI supplies AI labs and voice-AI developers with licensed conversational audio, expert annotation, and benchmarks for training and evaluating speech models.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation, RL environments
Type of workMulti-domain
Data sourcesExpert or contractor-created
Last checked

Boston company that labels medical and other data through scored contests among human annotators, specialists and AI models, sells model evaluation services, and licenses finished labeled datasets, such as chest X-ray and pathology sets, to AI developers.

What they offerData annotation, Human data, Training data, Evals and benchmarks
Type of workMedical, Science, Multi-domain
Data sourcesBuilt from customer data, Expert or contractor-created, Public / open data
Last checked

Chakra Labs builds expert-authored tasks, graders and computer-use environments for training and evaluating AI models. Its off-the-shelf and bespoke task sets cover finance, legal work, responsible AI and computer use.

What they offerRL environments, Training data, Evals and benchmarks
Type of workComputer use, Enterprise workflows, Finance, Legal, Security
Data sourcesProduct replica or partner app, Expert or contractor-created
Last checked
CintAcquired by TriCarbs BidCo AB (Triton Partners-led consortium)

Cint collects commissioned human responses in text, audio and video for AI-model training and validation through its respondent network and AI-moderated interview workflows. This profile covers newly created survey and conversational data; its separate Verified Audiences consumer-profile licensing product is outside this listing’s scope.

What they offerHuman data, Training data
Type of workMulti-domain
Data sourcesExpert or contractor-created
Last checked

Claru provides custom and licensed video, robotics demonstrations, and human annotations to AI labs building robotics, embodied AI, and world models.

What they offerTraining data, Human data, Data annotation, Evals and benchmarks
Type of workRobotics and physical, Games, Creative, Multi-domain, Coding, Legal, Medical, Math, Science, Security, Other
Data sourcesLicensed real-world data, Expert or contractor-created, Synthetic / generated, Public / open data
Last checked

CloudFactory supplies a managed human workforce and AI platform to businesses and AI developers, collecting and annotating data, preparing model-training and fine-tuning datasets, and providing human feedback, evaluation, and operational support for AI systems.

What they offerHuman data, Training data, Data annotation
Type of workMulti-domain, Medical
Data sourcesExpert or contractor-created
Last checked

Abu Dhabi company that sources, labels and evaluates training data for AI labs, hyperscalers and robotics teams, including human-ranked model responses, expert-written evaluation sets, Arabic speech data and first-person video of real work filmed by paid contributors through its KLKT app, and also sells its own Arabic speech models and voice agents.

What they offerTraining data, Data annotation, Human data, Evals and benchmarks
Type of workRobotics and physical, Coding, Finance, Medical, Science, Multi-domain
Data sourcesBuilt from customer data, Expert or contractor-created, Synthetic / generated
Last checked

Consequence Labs creates custom human-generated training and evaluation datasets, including workflow demonstrations, speech data, expert judgments and annotations. It recruits contributors, manages collection and review, and delivers structured data with provenance and quality documentation.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workEnterprise workflows, Computer use, Robotics and physical
Data sourcesExpert or contractor-created, Built from customer data
Last checked

Cortex AI provides AI labs with real-world workplace video and robot trajectories for training embodied AI, plus human-supervised robot rollouts and evaluations that capture recovery from failures.

What they offerHuman data, Training data, Evals and benchmarks
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Cua sells cloud and self-hosted desktop sandboxes, computer-use runtimes, RL environments and benchmarks, and trajectory data to AI developers building, training, and evaluating agents that operate computers.

What they offerRL environments, Evals and benchmarks, RL infrastructure
Type of workComputer use, Multi-domain
Data sourcesExpert or contractor-created
Last checked

Datacurve sells expert-built coding data, reinforcement-learning environments, benchmarks, and evaluations to foundation-model labs and AI developer-tool companies.

What they offerRL environments, Training data, Evals and benchmarks, Human data
Type of workCoding, Science, Security
Data sourcesExpert or contractor-created
Last checked

DataOcean AI sells off-the-shelf datasets and custom data collection, labeling, and model evaluation services to AI developers and enterprises, supporting LLM, speech, vision, multimodal, and autonomous-driving systems.

What they offerTraining data, Data annotation, Evals and benchmarks, Human data
Type of workMulti-domain, Coding, Finance, Medical, Legal
Data sourcesBuilt from customer data, Expert or contractor-created
Last checked

Datoric licenses robotics and physical-AI training data (egocentric video, manipulation and teleoperation recordings), runs custom collections to a buyer's specification, and also offers computer-use, voice and gameplay datasets.

What they offerTraining data, Human data
Type of workComputer use, Browser, Enterprise workflows, Robotics and physical, Games, Multi-domain, Other
Data sourcesExpert or contractor-created
Last checked

David AI designs, collects, annotates, and licenses human-recorded audio datasets, and evaluates speech models for AI labs and developers building speech recognition, translation, synthesis, and conversational systems.

What they offerHuman data, Training data, Evals and benchmarks
Type of workOther
Data sourcesExpert or contractor-created
Last checked

Deccan AI sells AI labs and developers expert-created post-training datasets, human feedback, reinforcement-learning environments and evaluations; it also offers enterprises monitoring and AI-enabled operations tools.

What they offerRL environments, Training data, Evals and benchmarks, Human data
Type of workMulti-domain, Coding, Enterprise workflows, Computer use, Browser
Data sourcesExpert or contractor-created
Last checked

Defined.ai sells licensed, multilingual AI training datasets and provides custom data collection, annotation, evaluation and model fine-tuning services to organizations developing AI.

What they offerTraining data, Human data, Data annotation, Evals and benchmarks
Type of workMulti-domain
Data sourcesLicensed real-world data, Expert or contractor-created
Last checked

e2f, which renamed itself TrustScale in June 2026, sells custom AI training datasets, expert annotation, model evaluation and benchmarking, and reinforcement learning feedback through its ArgusRL platform, covering 200 languages and text, image, audio and video data.

What they offerTraining data, Evals and benchmarks, RL infrastructure, Human data, Data annotation
Type of workMulti-domain
Data sourcesExpert or contractor-created
Last checked

FoundryAI creates expert-reviewed coding and other technical-workflow data, RL-ready task suites, private model evaluations, and regression tests for AI development teams.

What they offerTraining data, RL environments, Evals and benchmarks, Human data
Type of workCoding
Data sourcesExpert or contractor-created
Last checked

G2i supplies coding post-training data to AI labs (RL environments, evals, RLHF preference data, SFT datasets, scrubbed seed data) through managed projects or contract engineers placed on lab teams. It also runs an engineer hiring platform and tech conferences.

What they offerRL environments, Human data, Training data, Evals and benchmarks
Type of workCoding, Security, Enterprise workflows
Data sourcesExpert or contractor-created, Product replica or partner app
Last checked

Through GLG Frontier, a practice it formally launched in October 2026 after working with frontier labs since 2023, GLG recruits credentialed professionals in medicine, science, law, finance and engineering to design model evaluations, write tasks and grading rubrics, review model outputs and red-team models for AI labs. Its main business is an expert network that connects investors, consulting firms, companies and law firms with industry experts, mostly through calls.

What they offerHuman data, Evals and benchmarks
Type of workMedical, Legal, Finance, Science, Multi-domain
Data sourcesExpert or contractor-created
Last checked

Gray Swan sells AI-model and agent security to frontier labs and enterprises: adversarial testing before release, plus runtime filtering and monitoring to block attacks, unsafe outputs, and policy violations.

What they offerEvals and benchmarks
Type of workSecurity
Data sourcesExpert or contractor-created
Last checked

Pune-based company that offers benchmark licensing and custom model evaluations to AI labs and enterprises, and publishes BFSI-Bench, an Indian financial-regulation benchmark. It also creates, labels and reviews multimodal training data and screens egocentric video for embodied AI.

What they offerEvals and benchmarks, Training data, Data annotation, Human data
Type of workFinance, Robotics and physical, Multi-domain
Data sourcesExpert or contractor-created, Built from customer data, Public / open data
Last checked

Halluminate sells finance-focused computer-use and tool-use RL environments, simulated business applications, training data, and agent benchmarks to frontier AI labs and enterprise AI teams.

What they offerRL environments, Training data, Evals and benchmarks
Type of workComputer use, Browser, Enterprise workflows, Finance
Data sourcesExpert or contractor-created
Last checked

Handshake supplies frontier AI developers with expert-created training and evaluation data, reinforcement-learning environments, and licensed, de-identified operational records from real companies.

What they offerHuman data, Evals and benchmarks, RL environments, Training data
Type of workMulti-domain, Legal, Finance, Science
Data sourcesLicensed real-world data, Expert or contractor-created
Last checked

Hillclimb creates custom mathematics-focused reinforcement-learning environments and supervised fine-tuning data from expert problem-solving, selling them to frontier AI labs to train models and research agents.

What they offerRL environments, Human data, Training data
Type of workMath
Data sourcesExpert or contractor-created
Last checked

Human Archive collects and labels real-world human video and synchronized sensor recordings, then licenses multimodal datasets to AI labs and robotics developers training physical-AI systems.

What they offerHuman data, Training data
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Humyn Labs collects and annotates real-world multimodal human data—especially first-person video, sensor and motion signals, and speech—and supplies training datasets and evaluation benchmarks to AI labs, robotics developers, and other AI teams.

What they offerTraining data, Data annotation, Evals and benchmarks
Type of workMulti-domain, Robotics and physical
Data sourcesExpert or contractor-created
Last checked

Innodata provides AI developers and enterprises with training data, human feedback, annotation, reinforcement-learning environments, model evaluations, and red-teaming services for building and improving AI models and agents.

What they offerRL environments, Human data, Training data, Evals and benchmarks, Data annotation
Type of workCoding, Computer use, Browser, Enterprise workflows, Finance, Legal, Medical, Science, Math, Security, Robotics and physical, Multi-domain
Data sourcesBuilt from customer data, Expert or contractor-created, Synthetic / generated
Last checked

Invisible sells expert-created training data, model fine-tuning, evaluations, and custom reinforcement-learning environments to AI labs and developers; it also provides AI software and implementation support for enterprises.

What they offerRL environments, Training data, Evals and benchmarks, Human data, Data annotation
Type of workMulti-domain, Coding, Finance, Legal, Enterprise workflows
Data sourcesExpert or contractor-created
Last checked

A marketplace that curates and licenses human-contributed and rights-holder datasets—including video, images, audio, and text—for AI labs, research institutions, and enterprises training models.

What they offerHuman data, Training data, Data annotation
Type of workMulti-domain, Medical
Data sourcesLicensed real-world data, Expert or contractor-created
Last checked

LatchBio sells cloud data and compute software, bioinformatics workflows, and AI-based analysis to biotech R&D teams, laboratories, and scientific kit or instrument providers. It also publishes evaluations and offers assessment services for biology-focused AI agents.

What they offerEvals and benchmarks
Type of workScience, Security, Medical
Data sourcesExpert or contractor-created
Last checked

Lightwheel sells physics-accurate simulation assets and environments, synthetic and human demonstration data, and evaluation tools to robotics and Physical AI teams training and validating robot models.

What they offerHuman data, Evals and benchmarks, Simulation, Training data, RL infrastructure
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Luel licenses ready-made multimodal datasets and organizes custom collection campaigns for AI labs and developers, using paid contributors to supply rights-cleared audio, video, speech, sensor, and computer-use data.

What they offerHuman data, Training data, Evals and benchmarks
Type of workMulti-domain, Computer use, Medical, Robotics and physical
Data sourcesExpert or contractor-created
Last checked

LXT supplies AI developers and enterprises with custom and off-the-shelf training data, human annotation, evaluation, and RLHF services across text, speech, images, and video.

What they offerTraining data, Data annotation, Evals and benchmarks, Human data
Type of workMulti-domain, Legal, Finance, Medical, Robotics and physical
Data sourcesExpert or contractor-created
Last checked

Markov sells computer-use datasets and task environments—including expert CAD, productivity, coding, and gaming workflows—to AI labs and developers training or evaluating desktop agents.

What they offerRL environments, Training data, Evals and benchmarks, Human data
Type of workMulti-domain, Computer use, Coding, Browser, Games
Data sourcesExpert or contractor-created
Last checked

Mechanize builds simulated software-engineering tasks and benchmarks for frontier AI labs, helping them train and evaluate coding agents using graded performance.

What they offerRL environments, Evals and benchmarks
Type of workCoding
Data sourcesExpert or contractor-created
Last checked

Mecka collects and structures real-world human activity into robotics training datasets, and provides data tools and evaluation and deployment support for robotics labs, frontier AI teams, and enterprises building embodied systems.

What they offerHuman data, Training data, Evals and benchmarks
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Mercor sells expert-created training data, reinforcement-learning environments, and evaluations and benchmarks to frontier AI labs and other AI developers. It also offers enterprise data licensing and evaluation services.

What they offerRL environments, Human data, Training data, Evals and benchmarks
Type of workMulti-domain, Finance, Legal, Medical, Coding, Browser, Enterprise workflows
Data sourcesLicensed real-world data, Expert or contractor-created, Synthetic / generated
Last checked

Metaphi sells custom and reusable simulated work environments, training datasets, and agent evaluations to frontier AI labs and enterprise AI teams, helping them train and assess agents on realistic software, finance, and content-generation tasks.

What they offerRL environments, Training data, Evals and benchmarks
Type of workCoding, Enterprise workflows, Finance, Creative
Data sourcesLicensed real-world data, Expert or contractor-created
Last checked

micro1 provides expert human data and post-training services, real-world RL environments, robotics data, and AI-agent evaluations for frontier AI labs, enterprises, and robotics teams.

What they offerRL environments, Human data, Evals and benchmarks, Training data
Type of workMulti-domain, Finance, Legal, Medical, Coding, Robotics and physical
Data sourcesExpert or contractor-created
Last checked

microagi sells datasets of recorded human manual work to AI labs and runs Atlas, a service that records a factory's own tasks, trains robot models on that data and installs the robots on the line.

What they offerHuman data, Training data
Type of workRobotics and physical
Data sourcesExpert or contractor-created, Built from customer data
Last checked

Miso Motion runs custom video collection for physical AI and robotics teams, recording consented professionals on paid jobs with one to six synchronized cameras and delivering redacted footage with per-clip records and optional task labels.

What they offerHuman data, Training data, Data annotation
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Navaday supplies expert-created training data and model evaluations across professional and technical fields. It manages specialists who write examples, correct existing data, compare model answers and produce held-out test sets. It also prepares and helps license business records for AI development.

What they offerHuman data, Training data, Evals and benchmarks
Type of workFinance, Legal, Medical, Science, Math, Coding, Enterprise workflows
Data sourcesExpert or contractor-created, Built from customer data, Licensed real-world data
Last checked

NewtonX recruits professionals in finance, tech, healthcare and law, checks their identity and expertise, and uses them to run model evaluations, produce post-training datasets and audit annotation quality for AI developers. Its main business is B2B market research.

What they offerHuman data, Training data, Evals and benchmarks
Type of workFinance, Legal, Medical, Multi-domain
Data sourcesExpert or contractor-created
Last checked

OpenTrain connects AI labs and developers with vetted human experts for RLHF, model evaluation, red teaming, and data annotation. Customers hire directly or use a managed team working in their existing tools.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workMulti-domain
Data sourcesBuilt from customer data, Expert or contractor-created
Last checked

Paper Instruments post-trains language models and builds evaluation benchmarks, post-training infrastructure, and agent software for AI developers working on knowledge-intensive tasks.

What they offerEvals and benchmarks, Training data, RL infrastructure
Type of workFinance, Legal, Medical, Enterprise workflows
Data sourcesSynthetic / generated, Expert or contractor-created
Last checked

Pareto supplies AI labs with specialist-created training data, evaluations, and RL environments that turn expert judgment into signals for assessing and improving frontier models.

What they offerRL environments, Human data, Evals and benchmarks
Type of workMulti-domain, Medical, Legal, Finance, Coding, Science
Data sourcesExpert or contractor-created
Last checked

Parsewave creates custom, expert-written datasets, solution traces, and evaluations for frontier AI labs and developers to train and test coding and other professional-domain models.

What they offerTraining data, Human data, Evals and benchmarks
Type of workMulti-domain
Data sourcesExpert or contractor-created
Last checked

Patronus AI builds training data and simulated environments to train and improve AI models and agents. Its research studies model failures in alignment, coding, knowledge work, science and computer use, and it publishes benchmarks.

What they offerRL environments, Training data, Simulation
Type of workMulti-domain, Finance, Coding, Enterprise workflows, Computer use, Science
Data sourcesExpert or contractor-created, Public / open data
Last checked

Perle supplies AI labs and developers with specialist-generated multimodal training data, annotation, RLHF and model evaluations through expert-led programs and managed workflows.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workMulti-domain, Medical, Legal, Robotics and physical
Data sourcesExpert or contractor-created
Last checked

Phinity builds chip-design reinforcement-learning environments and training infrastructure for AI labs, while developing agents to design, verify, and eventually tape out custom chips.

What they offerRL environments, Training data, RL infrastructure
Type of workCoding, Other
Data sourcesExpert or contractor-created
Last checked

Pixelstwo sells curated tactile and dexterous manipulation datasets, captured with proprietary tactile hardware, to robotics teams training robots for contact-rich tasks.

What they offerTraining data
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Poindexter Labs supplies expert data annotation and evaluation services to frontier AI teams, alongside syncronus, a collaborative platform for expert-led model training.

What they offerHuman data, Evals and benchmarks, Data annotation
Type of workFinance, Legal, Multi-domain
Data sourcesExpert or contractor-created
Last checked

Builds simulated environments, tasks, and verifiers for AI labs to train and evaluate long-horizon agents; its Horizon-SWE benchmark tests end-to-end software engineering workflows.

What they offerRL environments, Evals and benchmarks, Simulation
Type of workMulti-domain, Coding
Data sourcesExpert or contractor-created
Last checked

Prolific gives AI labs and developers access to verified participants and subject-matter experts to collect human feedback, training data, and model evaluations through a platform, API, or managed research service.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workMulti-domain, Legal, Medical, Finance, Robotics and physical
Data sourcesExpert or contractor-created
Last checked

ReadySolve licenses MartechBench, an enterprise marketing-workflow environment for reinforcement learning and evaluation. Agents operate connected business systems with deterministic task verification; buyers receive runtime materials and can commission model benchmarks.

What they offerRL environments, Evals and benchmarks
Type of workEnterprise workflows
Data sourcesExpert or contractor-created, Product replica or partner app
Last checked

ReasonCore provides expert-curated AI training datasets, reinforcement-learning environments, and adaptive evaluations for frontier AI labs, emerging AI labs, and enterprises developing or deploying advanced models.

What they offerRL environments, Training data, Evals and benchmarks, Human data, Data annotation
Type of workRobotics and physical, Science, Coding, Finance, Math, Enterprise workflows
Data sourcesBuilt from customer data, Expert or contractor-created
Last checked

Revelo sells AI labs code-focused training data, evaluations, benchmarks, and RL environments, with expert-led data creation and managed workflows to help improve coding models and agents.

What they offerRL environments, Training data, Evals and benchmarks, Human data
Type of workMulti-domain, Coding
Data sourcesSynthetic / generated, Expert or contractor-created
Last checked

Sama sells human-in-the-loop data annotation, validation, evaluation, and training-data services to enterprise AI teams building computer-vision, multimodal, and generative AI models.

What they offerTraining data, Evals and benchmarks, Data annotation, Human data
Type of workMulti-domain, Robotics and physical, Creative
Data sourcesBuilt from customer data, Expert or contractor-created
Last checked

Sapien supplies human-created and expert-reviewed training data to AI developers, including data annotation, collection, curated datasets, and quality checks for AI outputs.

What they offerHuman data, Training data, Evals and benchmarks, Data annotation
Type of workMulti-domain, Robotics and physical
Data sourcesExpert or contractor-created
Last checked
Sepal AIAcquired by Mercor

Sepal supplies frontier AI labs and enterprise model teams with expert-created training and evaluation data, benchmarks, and reinforcement-learning environments for developing and testing models on specialized tasks.

What they offerRL environments, Human data, Evals and benchmarks
Type of workMulti-domain
Data sourcesExpert or contractor-created, Synthetic / generated
Last checked

San Francisco company that builds finance and coding RL environments, with tasks created by private equity professionals and senior software engineers, and sells ready-made environments, custom tasks, model evaluations and human preference data to frontier AI labs.

What they offerRL environments, Evals and benchmarks, Human data, Training data
Type of workFinance, Coding
Data sourcesExpert or contractor-created, Licensed real-world data
Last checked

Sieve supplies AI labs and model developers with curated or custom-collected video, audio, image, and interaction data, plus annotations, evaluation sets, and interactive environments.

What they offerTraining data, Evals and benchmarks, RL environments, Human data
Type of workCreative, Computer use, Robotics and physical, Games, Multi-domain
Data sourcesLicensed real-world data, Expert or contractor-created
Last checked

Snorkel sells expert-built training datasets, agent environments, benchmarks and evaluations—through ready-to-use products and custom data-development services—to frontier AI labs and enterprise AI teams.

What they offerTraining data, Evals and benchmarks, RL environments, Human data
Type of workMulti-domain, Coding, Science, Finance, Enterprise workflows, Medical, Legal
Data sourcesExpert or contractor-created, Synthetic / generated
Last checked

SuperAnnotate sells AI data software and managed expert services to AI labs and developers, covering multimodal annotation, training data, model and agent evaluations, and reinforcement-learning environments.

What they offerRL environments, Human data, Evals and benchmarks, Data annotation, Training data
Type of workMulti-domain, Medical, Legal, Science, Coding, Browser, Computer use, Robotics and physical, Math, Enterprise workflows, Finance
Data sourcesExpert or contractor-created
Last checked

Surge sells AI labs and developers expert-built training data, human feedback, evaluation benchmarks, and interactive reinforcement-learning environments to train and assess AI models and agents.

What they offerRL environments, Training data, Evals and benchmarks, Human data, Data annotation
Type of workMulti-domain, Coding, Enterprise workflows, Finance, Medical, Science, Math, Legal
Data sourcesExpert or contractor-created
Last checked

Tacit builds expert-authored life-science evaluations, scientific agent environments, and structured datasets to help frontier AI labs train and assess models on long-horizon biology, chemistry, and drug-development tasks.

What they offerRL environments, Evals and benchmarks, Training data, Human data
Type of workScience
Data sourcesExpert or contractor-created
Last checked

TaskUs provides outsourced AI data operations for AI developers and enterprises, including data collection and labeling, expert feedback and RLHF, model evaluations and red-teaming, and robotics data services.

What they offerTraining data, Human data, Evals and benchmarks, Data annotation
Type of workRobotics and physical, Medical, Enterprise workflows, Multi-domain
Data sourcesExpert or contractor-created
Last checked

Taste Labs sells preference and reasoning data, rubrics, and evaluation environments to frontier AI labs for subjective design quality, and provides agent and app developers a Brand API and MCP tools to extract, search, and verify brand systems.

What they offerRL environments, Training data, Evals and benchmarks, Human data
Type of workCreative
Data sourcesExpert or contractor-created
Last checked
TELUS DigitalAcquired by TELUS

TELUS Digital supplies AI labs and developers with expert-built training data, annotations, agentic RL environments, red-team testing and evaluations, plus custom multimodal and physical-AI datasets and managed data-collection services.

What they offerRL environments, Human data, Training data, Evals and benchmarks, Data annotation
Type of workCoding, Enterprise workflows, Finance, Legal, Medical, Math, Robotics and physical, Science, Security, Other, Multi-domain
Data sourcesExpert or contractor-created, Built from customer data
Last checked

TensorTest sells private evaluations, reinforcement-learning environments and expert-made training data to AI labs building creative agents, starting with video editing; its public TimelineBench benchmark scores agents on 56 editing jobs.

What they offerEvals and benchmarks, RL environments, Training data, Human data
Type of workCreative
Data sourcesExpert or contractor-created
Last checked

The General Data Company licenses anonymized records and workflow-based datasets from European businesses to AI labs for model training and evaluation, including held-out benchmarks and reinforcement-learning environments.

What they offerRL environments, Training data, Evals and benchmarks
Type of workFinance, Legal, Medical, Enterprise workflows
Data sourcesLicensed real-world data, Expert or contractor-created
Last checked

Theta sells custom simulated work environments and hands-on implementation to AI labs and enterprises, helping them train and evaluate specialized agents on realistic, multi-step business workflows.

What they offerRL environments, Evals and benchmarks, RL infrastructure
Type of workMulti-domain, Computer use, Browser, Enterprise workflows, Finance, Medical, Coding
Data sourcesBuilt from customer data, Expert or contractor-created
Last checked

Trajectory Labs runs safety evaluations, expert red-teaming and RL environments that help AI labs find model vulnerabilities and measure safer behavior.

What they offerRL environments, Evals and benchmarks, Human data
Type of workMulti-domain, Security
Data sourcesExpert or contractor-created
Last checked

Traverse builds reinforcement-learning environments and training data for frontier AI labs, helping them train models on ambiguous professional work that depends on judgment, context, and long-horizon reasoning.

What they offerRL environments, Training data, Human data
Type of workMulti-domain
Data sourcesExpert or contractor-created
Last checked

Uber AI Solutions provides custom AI data collection and annotation, specialist human feedback and RLHF, red-teaming, and model evaluation for frontier labs, enterprises, robotics firms, and autonomous-vehicle developers.

What they offerData annotation, Training data, Evals and benchmarks, Human data, RL environments
Type of workCoding, Enterprise workflows, Finance, Legal, Medical, Science, Robotics and physical, Multi-domain, Other
Data sourcesExpert or contractor-created, Built from customer data
Last checked

Vals AI sells evaluation software, expert-built benchmarks, and review tools to AI labs and enterprise engineering teams testing models and AI applications on practical, domain-specific tasks.

What they offerEvals and benchmarks, RL infrastructure
Type of workMulti-domain, Finance, Legal, Medical, Coding, Math
Data sourcesExpert or contractor-created
Last checked

Vetto sells AI labs and developers expert post-training data, human evaluation, custom RL environments, and verifier-graded benchmarks to help train and assess models on practical tasks.

What they offerRL environments, Training data, Evals and benchmarks, Human data, Data annotation
Type of workMulti-domain, Science, Medical, Legal, Finance, Coding, Computer use
Data sourcesExpert or contractor-created
Last checked

Wirestock supplies AI labs with licensed, creator-made multimodal data, offering catalog datasets and custom collections for training AI models.

What they offerTraining data, Human data
Type of workCreative
Data sourcesExpert or contractor-created
Last checked

XDOF collects robot teleoperation data and runs real-world policy evaluations for robotics labs and AI companies, and also supplies robotic systems and data tooling.

What they offerTraining data, Human data, Evals and benchmarks, Data annotation
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

Xplore AI builds expert-designed reinforcement learning environments and evaluations for mechanical, electrical and aerospace engineering. Its RWE-bench tests agents using professional engineering tools and deterministic verifiers; separate environments are available for training.

What they offerRL environments, Evals and benchmarks
Type of workRobotics and physical
Data sourcesExpert or contractor-created
Last checked

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