What the evidence says
- Developer
- Moonshot AI
- Released
- July 11, 2025
- Domains
- Language
- Tasks
- Language modeling/generation · Code generation · Question answering · Quantitative reasoning · Search · Table tasks
- Access
- Open weights (restricted use)
- 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
- $2.30 per 1M tokens
- Context length
- 131,072 tokens
- Listed on OpenRouter
- July 11, 2025
Common questions
What is Kimi K2?
Kimi K2 is a Moonshot AI model released July 11, 2025, according to Epoch AI's reviewed catalog record. The record classifies it under language.
How does Kimi K2 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 cost?
OpenRouter lists it at $0.57 per million input tokens and $2.30 per million output tokens, retrieved July 22, 2026. Those are the platform's routed prices, not first-party provider prices.