Kimi K2.5
Weights availableOpen-weight Moonshot AI model with a 256K-token context window, image input and tool calling. Released January 27, 2026. Weights on Hugging Face.
Access details: Moonshot AI open weights (Hugging Face)
The Hugging Face repository. Download the weights and run them yourself or with a host.
moonshotai/Kimi-K2.5Also on the Moonshot AI API as kimi-k2.5
Updated Oct 1, 2026
Capabilities & limits
- Context window
- 256K
- Maximum output
- Not published
- Image input
- Supported
- Tool calling
- Supported
- Structured output
- Supported
Hosted price
USD / 1M tokens- Input
- $0.45
- Output
- $2.25
What OpenRouter charges for moonshotai/kimi-k2.5. Other hosts set their own prices.
Free to download. Running the weights costs whatever your hardware or host charges.
Price history
Oct 1, 2026
Input Not applicable per million tokens
Oct 1, 2026
Output Not applicable per million tokens
Technical details
- Parameters
- 1T
- Active parameters
- 32B
- Architecture
- Mixture-of-Experts (MoE)
- Training / knowledge cutoff
- Not published
- Input modalities
- Text, image, video
- Output modalities
- Text
License
Modified MIT License
From Moonshot AI
Official announcement ↗How they describe it
an open-source, native multimodal agentic model
What they say is new
built through continual pretraining on approximately 15 trillion mixed visual and text tokens atop Kimi-K2-Base
Release & lifecycle
- Published
- Jan 27, 2026
- available
- As of Oct 1, 2026