Kimi K2 Thinking is an AI model released by Moonshot AI on Nov 6 2025, 36 days after Kimi Linear. It is an open-source / open-weight model. Benchmark results (shown below) cover SWE-Bench Verified.
Parameters
1T
Context window
256k
Benchmarks
Coding
SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better.