The LLM Data Company
Evals and reward data tooling for LLM training
The LLM Data Company builds tooling for constructing evaluations and reward data for LLM training and post-training.
| Website | llmdata.com |
|---|---|
| Domains | Machine Learning, Data Labeling, RLHF |
| Team size | 1-10 |
Similar startups
Also listed under Machine Learning, Data Labeling, RLHF.
| Name | Domains | Location | Team | Funding | Raising |
|---|---|---|---|---|---|
| Rise Data Labs US-based expert human data and custom RL environments for enterprise AI | Computer Use, Coding, Finance, Cybersecurity, Legal, Data Labeling, Enterprise, Multi-Domain, RLHF, Custom Environments | United States | - | - | Yes |
| Anthromind Medical and long-horizon environments and expert data | Medical, Long Horizon, Data Labeling | San Francisco | 1-10 | - | - |
| Applied Compute Ex-OpenAI trio applying RL to build specialist enterprise models | Enterprise, Machine Learning, Custom Environments | San Francisco | 11-25 | $80M total at $700M valuation (Oct 2025) | Yes |
| Artificial Analysis Independent benchmarking of AI models across intelligence, speed, and price | Multi-Domain, Machine Learning | San Francisco | 11-25 | $2.6M (2024) | - |
| Besimple AI Human-in-the-loop annotation and evals, with a voice data focus | Data Labeling, Voice, RLHF | San Francisco | 1-10 | ~$3.5M total | - |
| Bespoke Labs Data curation and RL environment recipes from ex-Google DeepMind researchers | Coding, Machine Learning | Mountain View, Menlo Park, Bangalore, San Francisco | 11-25 | ~$40M (reported) | - |