What the evidence says
- Developer
- Moonshot AI
- Released
- February 2, 2026
- Domains
- Language
- Tasks
- Language modeling/generation
- Access
- Open weights (unrestricted)
- Weights
- Open weights
Platform facts
OpenRouter's platform listing, retrieved July 22, 2026. Routed platform prices, not first-party provider prices.
- Input price
- $0.57 per 1M tokens
- Output price
- $2.85 per 1M tokens
- Context length
- 262,144 tokens
- Listed on OpenRouter
- January 27, 2026
Common questions
What is Kimi K2.5?
Kimi K2.5 is a Moonshot AI model released February 2, 2026, according to Epoch AI's reviewed catalog record. The record classifies it under language.
How does Kimi K2.5 rank on LMArena?
No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.
What does Kimi K2.5 cost?
OpenRouter lists it at $0.57 per million input tokens and $2.85 per million output tokens, retrieved July 22, 2026. Those are the platform's routed prices, not first-party provider prices.