K2-Think
Kimi reasoning model for long-horizon research, planning, and tool use
Model facts
- Context window
- 128K tokens
- Maximum output
- 33K tokens
- Cheapest paid input
- $0.17 per 1M tokens
- Cheapest paid output
- $0.68 per 1M tokens
- Open weights
- yes
- Providers
- 1
Capabilities and modalities
open weights, text.
Observed price history
- 2026-08-24: $0.17 input / $0.68 output per 1M tokens
API providers
- NanoGPT — model id LLM360/K2-Think; $0.17 input / $0.68 output per 1M tokens; provider documentation