Harvey Introduces Tenet, Its First In-House Legal LLM Trained on Moonshot's Kimi K3
Legal AI startup Harvey has announced Harvey Tenet, its first proprietary, in-house foundation model tailored for legal workflows. The release marks a strategic shift for the $11 billion legal tech company, which has historically relied on API access to third-party frontier models from OpenAI and Anthropic. Tenet is post-trained on top of Kimi K3, an open-weights model released in July 2026 by Chinese AI lab Moonshot AI. The initiative is part of a broader platform update titled Harvey II, whic
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