Kimi
Kimi K2 Thinking
Kimi K2 Thinking is an advanced open-source thinking model by Moonshot AI. It can execute up to 200 – 300 sequential tool calls without human interference, reasoning coherently across hundreds of steps to solve complex problems. Built as a thinking agent, it reasons step by step while using tools, achieving state-of-the-art performance on Humanity's Last Exam (HLE), BrowseComp, and other benchmarks, with major gains in reasoning, agentic search, coding, writing, and general capabilities.
Kimi model releasesModel Snapshot
TypeLanguage
ReleaseNov 6, 2025
Context262,144
Tagsreasoning, tool-use, implicit-caching
Overall
Rank #135 across 600
32.7
Coding
Rank #200 across 266
21.0
Blended Price
Rank #197 across 379
$1.08/M
Strength Profile
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Benchmark Percentiles
Higher bars mean stronger relative placement.
Model Details
Runtime
Max Output100,352
Streaming speed is not measured for this model yet.
Pricing
Blended$1.08/M
Input$0.600/M
Output$2.50/M
Catalog$0.470/M in / $2.00/M out
Metadata
Modalities
All Benchmarks
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 32.7 | #135 |
| Artificial Analysis Coding Index | coding | 21.0 | #200 |
| Artificial Analysis Math Index | math | 94.7 | #11 |
| MMLU-Pro | reasoning | 84.8% | #34 |