Kimi K3 Max
#104 in Frontier LLMsMoonshot Ai · max · 2× · last seen Jul 19, 2026
18
Momentum
Kimi K3 Max is the chat and single-agent variant of Moonshot AI's Kimi K3 model (alongside the parallel-agent variant "K3 Swarm Max"). Both variants share the same 2.8-trillion-parameter Mixture-of-Experts base model (896 experts, 16 active per Token) with novel Kimi-Delta-Attention architecture, native image/video processing, and a context window of up to 1 Million Token. The model was released on July 16, 2026 via Kimi App, Kimi Code, and API; full Open Source weights under modified MIT license are expected to follow by July 27, 2026. On the Artificial Analysis Intelligence Index, K3 Max achieves a score of 57.1, placing it just behind GPT-5.6 Sol Max and Claude Fable 5.
Momentum trend
20.04.19.07.
Features
| Key Benchmark (%) | Artificial Analysis Intelligence Index v4.1: 57.1 points (K3 Max) |
| Context Window (Tokens) | 1,048,576 tokens (approx. 1M) |
| License | Modified MIT license (open weights scheduled for July 27, 2026) |
| Multimodality | Native text, image, and video understanding |
| Platform | Kimi app (web/iOS), Kimi Code/CLI, Moonshot API (model ID: kimi-k3), OpenRouter |
| Price per 1M Tokens | $3.00 input (cache miss) / $0.30 input (cache hit) / $15.00 output |
| Release Date | July 16, 2026 |