Moonshot AI
Kimi K2 Thinking is the latest, most capable version of an open-source thinking model.
Kimi K2 Thinking is the latest, most capable version of an open-source thinking model.
56.0
Quality Score
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Arena ELO
Undisclosed
Parameters
256K
Context
Use this section to answer one simple question first: how much outside evidence do we have that this model performs well? Structured benchmark scores appear first, then official provider evidence, then live arena signal.
This model has normalized benchmark rows, so scores here are directly comparable across benchmark sources.
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4.8K
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May 2026
Released
These are recent benchmark or leaderboard claims from official provider sources. They are useful for freshness and context, but they are not treated the same as normalized independent benchmark rows.
Kimi-K2-Thinking - SWE-Bench Verified
SWE-Bench Verified resolved rate 63.4
View sourceKimi K2 Thinking Benchmark Update
Quality: 40.9/100 | Price: $1.075/M tokens | Output: 119.446 tok/s | MMLU: 0.848% | HumanEval: 0.853%
View sourceKimi K2 Thinking Benchmark Update
Quality: 40.9/100 | Price: $1.075/M tokens | Output: 118.807 tok/s | MMLU: 0.848% | HumanEval: 0.853%
View sourceKimi K2 Thinking Benchmark Update
Quality: 40.9/100 | Price: $1.075/M tokens | Output: 114.826 tok/s | MMLU: 0.848% | HumanEval: 0.853%
View sourceKimi K2 Thinking Benchmark Update
Quality: 40.9/100 | Price: $1.075/M tokens | Output: 110.7 tok/s | MMLU: 0.848% | HumanEval: 0.853%
View sourceKimi K2 Thinking Benchmark Update
Quality: 40.9/100 | Price: $1.075/M tokens | Output: 107.768 tok/s | MMLU: 0.848% | HumanEval: 0.853%
View source