LLMOpen weights
Kimi K2 Thinking
Moonshot AI
Updated May 21, 2026 · Benchmarks via Artificial Analysis, specs & pricing via OpenRouter · Methodology · Report an error
Superseded by Kimi K2.5
Specifications
- Type
- LLM
- Access
- Open weights
- Released
- November 6, 2025
- License
- Modified MIT
- Parameters
- 1T (32B active)
- Context window
- 262,144 tokens
- Output speed
- 100 tok/s
- Latency (TTFT)
- 1s
- Input
- Text
- Output
- Text
- API pricing
- $0.60 in · $2.50 out / 1M tokens
Capabilities
Function callingStructured output
Benchmarks
Reasoning
| GPQA Diamond | 84.5 |
Coding
| SWE-bench Verified | 71.3 |
| LiveCodeBench | 85.3 |
Math
| AIME 2025 | 94.7 |
General
| Humanity's Last Exam (w/ tools) | 44.9 |
| MMLU-Pro | 84.8 |
| Humanity’s Last Exam | 22.3 |
Other
| Humanity's Last Exam (w/ tools) | 44.9 |
Our take
Reasoning/agentic variant that thinks while using tools across hundreds of sequential calls, shipping in native INT4 via quantization-aware training.