{"slug": "openai-backed-legal-tech-firm-pivots-to-chinese-kimi-k3-open-weight-model", "title": "OpenAI-backed legal tech firm pivots to Chinese Kimi K3 open-weight model", "summary": "San Francisco-based legal tech provider Harvey, backed by OpenAI, Sequoia Capital, and Andreessen Horowitz, announced Thursday that its new model, Harvey Tenet, was post-trained on Moonshot AI's open-weight Kimi K3 base, achieving 'state-of-the-art' performance in complex legal work. The pivot highlights a growing shift by Western tech firms toward Chinese open-weight systems amid soaring development costs, with AI policy researcher Simon Hedlin calling it 'a great example of open-weight models' enabling specialized post-training.", "body_md": "# OpenAI-backed legal tech firm pivots to Chinese Kimi K3 open-weight model\n\nSan Francisco-based Harvey says its new model, Harvey Tenet, was post-trained on top of the open-weight Kimi K3 base\n\n[Moonshot AI’s Kimi K3,](https://www.scmp.com/tech/article/3362143/moonshots-kimi-k3-triggers-silicon-valley-debate-over-bans-chinese-open-source-models?module=inline&pgtype=article)highlighting a growing shift by Western tech firms towards Chinese open-weight systems amid soaring development costs.\n\nSan Francisco-based legal tech provider Harvey, whose high-profile backers also include Sequoia Capital and Andreessen Horowitz, said on Thursday that its new model, Harvey Tenet, was post-trained on top of the open-weight Kimi K3 base.\n\nThe company said the system achieved “state-of-the-art” performance in complex legal work.\n\n[OpenAI](https://www.scmp.com/topics/openai?module=inline&pgtype=article)and Google for legal applications.\n\nHarvey’s pivot was “a great example of open-weight models” enabling developers to post-train systems on specific industry or corporate data for higher accuracy and lower inference costs, AI policy researcher Simon Hedlin wrote on X on Friday.\n\nPost-training is the process of refining a general-purpose base model with specialised data sets to excel at specific tasks.", "url": "https://wpnews.pro/news/openai-backed-legal-tech-firm-pivots-to-chinese-kimi-k3-open-weight-model", "canonical_source": "https://www.scmp.com/tech/tech-trends/article/3364827/openai-backed-legal-tech-firm-pivots-chinese-kimi-k3-open-weight-model?utm_source=rss_feed", "published_at": "2026-08-21 14:00:10+00:00", "updated_at": "2026-08-21 14:12:48.788168+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-products", "ai-policy"], "entities": ["Harvey", "Moonshot AI", "Kimi K3", "OpenAI", "Sequoia Capital", "Andreessen Horowitz", "Simon Hedlin"], "alternates": {"html": "https://wpnews.pro/news/openai-backed-legal-tech-firm-pivots-to-chinese-kimi-k3-open-weight-model", "markdown": "https://wpnews.pro/news/openai-backed-legal-tech-firm-pivots-to-chinese-kimi-k3-open-weight-model.md", "text": "https://wpnews.pro/news/openai-backed-legal-tech-firm-pivots-to-chinese-kimi-k3-open-weight-model.txt", "jsonld": "https://wpnews.pro/news/openai-backed-legal-tech-firm-pivots-to-chinese-kimi-k3-open-weight-model.jsonld"}}