Sources & verification notes
Kimi K2.5
moonshotai/Kimi-K2.5Exact identifier & access
Identity and lifecycle apply to this exact identifier and serving surface.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
First availability
Effective Jan 27, 2026. Checked Oct 1, 2026.
The K2.5 blog, dated January 27, 2026, calls it the most powerful open-source model to date; the Hugging Face repo's first commit is dated January 1, 2026, before the blog.
- Kimi K2.5 Tech Blog: Visual Agentic Intelligence ↗Moonshot AI · provider-authored · checked Oct 1, 2026
- Kimi Research and Tech Blog index ↗Moonshot AI · provider-authored · checked Oct 1, 2026
- moonshotai/Kimi-K2.5 commit history ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
Availability status
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
Capabilities & limits
Effective date not established; this is an observation. Checked Oct 1, 2026.
Context length as given on the model card. The model card says K2.5 shares K2 Thinking's interleaved thinking and multi-step tool call design; Moonshot's archived pricing page lists JSON Mode support for kimi-k2.5 (read in a browser session, Chrome DevTools). No maximum generation length is stated.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
- Moonshot AI Open Platform: Model Inference Pricing (Wayback Machine capture, March 9, 2026) ↗Moonshot AI · provider-authored · checked Oct 1, 2026
Input price
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
Output price
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
Reference price
Effective date not established; this is an observation. Checked Oct 1, 2026.
OpenRouter's listed price for moonshotai/kimi-k2.5 (https://openrouter.ai/moonshotai/kimi-k2.5), which OpenRouter maps to this Hugging Face repo. USD per million tokens; a host's price, not the developer's.
- OpenRouter models API ↗OpenRouter · host-authored · checked Oct 1, 2026
Model card
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
Official announcement
Effective Jan 27, 2026. Checked Oct 1, 2026.
- Kimi K2.5 Tech Blog: Visual Agentic Intelligence ↗Moonshot AI · provider-authored · checked Oct 1, 2026
Provider description
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
Provider comparison
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026
License
Effective date not established; this is an observation. Checked Oct 1, 2026.
- moonshotai/Kimi-K2.5 model card ↗Moonshot AI (Hugging Face) · provider-authored · checked Oct 1, 2026