Harvey hits $15.5B valuation, months after reaching $11B

The fresh cash comes a couple of weeks after Harvey announced its first in-house model, Harvey Tenet, built from open-weight model Kimi K3 and post-trained with legal data with the help of inference provider Fireworks (who also helped Cursor train its homegrown model). In addition to offering a model, Harvey is encouraging its customers to adopt and post-train their own open-weight models. So Harvey is quickly becoming an example of how an entire industry — law — can both heavily use AI and not rely on proprietary frontier AI labs like OpenAI and Anthropic.