Moonshot AI
Preview release of Kimi K2 with a 256K context window and stronger code-generation capabilities.
Preview release of Kimi K2 with a 256K context window and stronger code-generation capabilities.
25.2
Quality Score
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Arena ELO
256.0K
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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Sep 2025
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-k2-0905-preview - SWE-Bench Verified
SWE-Bench Verified resolved rate 71.2
View sourceKimi K2 0905 Benchmark Update
Quality: 23.5/100 | Price: $1.075/M tokens | Output: 37.224 tok/s | MMLU: 0.819% | HumanEval: 0.61%
View sourceKimi K2 0905 Benchmark Update
Quality: 23.5/100 | Price: $1.075/M tokens | Output: 37.346 tok/s | MMLU: 0.819% | HumanEval: 0.61%
View sourceKimi K2 0905 Benchmark Update
Quality: 23.5/100 | Price: $1.075/M tokens | Output: 37.599 tok/s | MMLU: 0.819% | HumanEval: 0.61%
View sourceKimi K2 0905 Benchmark Update
Quality: 23.5/100 | Price: $1.075/M tokens | Output: 37.667 tok/s | MMLU: 0.819% | HumanEval: 0.61%
View sourceKimi K2 0905 Benchmark Update
Quality: 23.5/100 | Price: $1.075/M tokens | Output: 37.26 tok/s | MMLU: 0.819% | HumanEval: 0.61%
View source