Moonshot AI

Models & products

Models

Kimi K3

Trends

• Chinese labs take the lead in open-weight models
• Labs treat distillation of their models as a security threat

Items

1. Sep 30

   OpenAI disrupts a distillation campaign

   OpenAI said it detected and shut down an adversarial-distillation effort to extract protected model reasoning, attributed a core cluster to individuals associated with Moonshot AI, and shared findings through the Frontier Model Forum.

2. Jul 27

   Moonshot AI releases Kimi K3 open weights

   Moonshot released full weights and a technical report for its 2.8T-parameter MoE (Kimi Delta Attention, native vision, 1M context) under a revenue-tiered license with open-sourced training and serving infrastructure, though a UK evaluation found its cyber and math skills still trail the closed frontier.

3. Jul 16

   Moonshot AI's Kimi K3

   The largest open-weight model yet, a 2.8T-parameter MoE with 1M-token context and native vision, is live via API at $3/$15 per million tokens with weights due July 27; Artificial Analysis places it just behind GPT-5.6 Sol and Claude Fable 5, and first on BrowseComp (91.2).