Kimi K3
Moonshot AIMULTIMODAL Open weight
- Provider
- Moonshot AI
- Modality
- MULTIMODAL
- Parameters
- 2800B
- Context window
- 1,000,000 tokens
- Weights
- Open
- Released
- 23 Jul 2026
Kimi K3 (July 2026) is Moonshot AI's most capable model and the world's first open 3T-class model — a 2.8T-parameter model with native vision and a 1M-token context, built for long-horizon coding, knowledge work and reasoning. It went viral for matching (and sometimes beating) top US models like GPT and Claude, essentially for free.
Best for
- Frontier reasoning, coding and knowledge work at open-model prices
- Long-horizon agentic tasks (max thinking effort by default)
- Whole-repo / long-document work (1M context, native vision)
- When you want frontier quality without frontier cost
How it compares — and the India angle
- The story of 2026: a Chinese open model rivalling GPT/Claude for free — Moonshot had to suspend new subscriptions when demand overwhelmed capacity, and the US raised distillation concerns.
- For India: extremely cheap API ($0.30 cache-hit / $3 cache-miss input, $15 output per 1M) and open weights (from 27 July) make frontier AI accessible to startups and researchers.
- Available on Kimi.com, Kimi Work, Kimi Code and the Kimi API — a genuine open alternative to closed frontier models.
How to access
API: $0.30/1M cache-hit input, $3.00/1M cache-miss input, $15.00/1M output. Open weights releasing ~27 July 2026. Via Kimi.com, Kimi Work, Kimi Code, Kimi API.
Access Kimi K3Frequently asked questions
What is Kimi K3?
Kimi K3 is a multimodal AI model developed by Moonshot AI with 2800 billion parameters.
Who made Kimi K3?
Kimi K3 was created by Moonshot AI.
Is Kimi K3 open source?
Yes, Kimi K3 has open weights and can be downloaded and self-hosted.
What is Kimi K3's context window?
Kimi K3 supports a context window of 1,000,000 tokens.