Preference Model
Builds reinforcement-learning training environments for AI labs developing and aligning advanced models
Highlights
- New on EvolcAdded 2026-11-14
About Preference Model
Preference Model is a data research company that builds reinforcement-learning environments for training AI models. Its work includes environments and graders designed to resist reward hacking, along with post-training and data-curation tasks.
The company is based in San Francisco, where its listed job openings are located. Its team includes co-founders Jennifer Zhou and Ning Cao, and it is backed by South Park Commons, Scale Angel Group, Manifund, MoE Capital, and individual investors.
Product: Reinforcement-learning environments, graders, and related data research for training and post-training AI models.
Jobs at Preference Model
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
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Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.