Harvey Tenet uses Moonshot Kimi K3 open-weight model
By The BriefBrief
Harvey, a San Francisco legal tech provider backed by OpenAI, Sequoia Capital and Andreessen Horowitz, said it built its in-house model Harvey Tenet by post-training on Moonshot AI’s open-weight Kimi K3 base. The company reported “state-of-the-art” performance in complex legal work and said the approach can improve accuracy while lowering inference costs.
WHO:Harvey
WHAT:Harvey announced its in-house legal AI model Harvey Tenet was post-trained on Moonshot AI’s open-weight Kimi K3 base.
WHEN:Aug 20, 2026
WHERE:San Francisco, USA
WHY:Harvey said open-weight models allow developers to post-train on specialized industry or corporate data to improve accuracy and reduce inference costs.
