Harvey is building legal agents and workflows with OpenAI o1

Harvey is building legal agents and workflows using OpenAI's o1 reasoning model.

• The model outperforms prior foundation models on Harvey's BigLaw Bench and expert preference evaluations, though it still falls short of Harvey's domain-specialized assistant models.
• Harvey's step-change review highlights o1's capabilities in reasoning, planning, and collaboration as key enablers for next-generation professional service agents.