Kimi K2 Thinking
Developed by Moonshot AI, Kimi K 2 Thinking is an open-source chat model that excels at multi-step reasoning and tool orchestration, enabling autonomous workflows such as research, coding, and writing. Its notable technical trait is the use of a Mixture-of-Experts (MoE) architecture with a large context window of 262,144 tokens.
Input
Output
Context
262K
Max Output
262K
Parameters
1058.1B
Technical Specifications
Model TypeChat
Context Window262,144 tokens
Max Output Tokens262,144 tokens
Parameters1058.1B
Release DateNov 4, 2025
Training CutoffNot available
Licenseother
Open SourceYes
Input Modalities
Text
Output Modalities
Text
Capabilities
Benchmarks
Artificial Analysis
22.3%
HLE
83.8%
GPQA
42.4%
SciCode
84.8%
MMLU Pro
94.7
Math
34.8
Coding
85.3%
LiveCodeBench
32.7
Intelligence
126
Speed (tok/s)
16.8
TTFA (s)
0.874
TTFT (s)
Related Tools
Data sourced from official provider APIs and documentation
Last updated: Jun 23, 2026
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