Paper Instruments post-trains language models and builds evaluation benchmarks, post-training infrastructure, and agent software for AI developers working on knowledge-intensive tasks.
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DiligenceBench: An Equity-Research Agent Evaluation — Paper Instruments ↗
Jobs at Paper Instruments (P25) | Y Combinator's Work at a Startup ↗
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DiligenceBench: An Equity-Research Agent Evaluation — Paper Instruments ↗
Kos-1 Experimental: Env-Free RL on a 1T Parameter Agentic Prior — Paper Instruments ↗
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DiligenceBench: An Equity-Research Agent Evaluation — Paper Instruments ↗
Kos-1 Lite: SOTA Medical Model — Paper Instruments ↗
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DiligenceBench: An Equity-Research Agent Evaluation — Paper Instruments ↗
Paper Office — Paper Instruments ↗
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DiligenceBench: An Equity-Research Agent Evaluation — Paper Instruments ↗
The LLM Data Company x Perplexity: DRACO — Paper Instruments ↗
Kos-1 Lite: SOTA Medical Model — Paper Instruments ↗
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The LLM Data Company x Perplexity: DRACO — Paper Instruments ↗
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We built a synthetic data-generation pipeline that transformed production traffic into constrained, evaluable queries, then developed generalizable rubrics for grading non-verifiable tasks.Evidence source ↗
We directed knowledge-work professionals to refine those rubrics around real-world priorities.Evidence source ↗
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DiligenceBench: An Equity-Research Agent Evaluation — Paper Instruments ↗
The LLM Data Company x Perplexity: DRACO — Paper Instruments ↗
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Paper Office — Paper Instruments ↗
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Paper Instruments — Investors & Founders | Fundraising Fox ↗
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Jobs at Paper Instruments | Y Combinator ↗
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LLM Data - 2026 Funding Rounds & List of Investors ↗
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Jobs at Paper Instruments (P25) | Y Combinator's Work at a Startup ↗
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