Moonshot AI
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Listed November 2025
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Open Weights
Kimi K2 Thinking
Arena #114 • score 1430 ±3
Open Weights model from Moonshot AI, listed November 2025. Arena text score 1430 (#114 of 414 entries). $0.60 input / $2.50 output per 1M tokens. 256K tokens context.
Parameters
1T total, 32B active (MoE)
Context Window
256K tokens
Input / 1M tokens
$0.60
Output / 1M tokens
$2.50
Benchmark Results
- Arena Text Elo: 1430 (#114 of 414 on arena.ai · ±3 · 63,390 votes · variant: kimi-k2-thinking-turbo)
- SWE-bench Verified: 63.4% (mini-SWE-agent (bash only) · run 'Kimi K2 Thinking' · 2025-12-10)
- AA Intelligence Index: 22 (Artificial Analysis v4.3 · best setting: Kimi K2 Thinking · checked 2026-10-11)