Kimi K2
Kimi K2 is Moonshot AI (Kimi)'s language model with a 262K context window and up to 33K output tokens, available from 4 providers, starting at $0.570 / 1M input and $2.30 / 1M output. A large-scale mixture-of-experts LLM with 1 trillion total parameters and 32B active parameters, trained with the Muon optimizer for strong agentic and tool-use performance.
moonshot-kimi-k2 |
| Language |
| Active |
| Moonshot AI (Kimi) |
| 262K tokens |
| 33K tokens |
| ImagePdfText |
| Text |
| default |
| 1.06T |
| 145 |
| 423 |
| 423 |
| · 11 months ago |
Capabilities
Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling✓
Structured Outputs✓
Native JSON Schema✓
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
 Vercel AI Gateway | $0.570 | $2.30 |
 Hugging Face | $0.600 | $2.50 |
 Novita | $0.600 | $2.50 |
 OpenRouter | $0.600 | $2.50 |
Cost Calculator
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Kimi K2 Thinking | 262K | $0.574 | $1.20 | Available | |
| Kimi K2 | 262K | $0.570 | $2.30 | Current |