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Benchmarks › Moonshot AI › Kimi
Moonshot AIopen weightsSupersededReasoning

Kimi K2.5

Led the open-license Arena board in Jan 2026.

Released
Jan 27, 2026
Price in / out
$0.6 / $2.5
Blended $/1M
$1.07
Context
256K
Parameters: 1T / 32B active. License: Modified MIT.

Benchmark scoresvs Kimi K2

BenchmarkScoreRank (current)Source
Terminal-Bench 2.1
41.9%#20 of 21benchlm.ai ↗
SWE-bench Verified
76.8%#5 of 9benchlm.ai ↗
GPQA Diamond
87.6%#9 of 11benchlm.ai ↗
Humanity's Last Exam
30.1%#13 of 15benchlm.ai ↗
AIME 2026
95.8%#1 of 2benchlm.ai ↗
τ²-bench (Telecom)
95.9%#2 of 10benchlm.ai ↗
MMLU-Pro
87.1%#2 of 4benchlm.ai ↗
Artificial Analysis Intelligence Index
35.4#7 of 11benchlm.ai ↗

Kimi versions

Timeline
Version$ in / outTerminal-BenchSWE-benchGPQAHLEARC-AGI-2AIME
Kimi K2Superseded$0.6 / $2.5—65.8%————
Kimi K2.5Superseded$0.6 / $2.541.9%76.8%87.6%30.1%—95.8%
Kimi K2.6Superseded$0.6 / $2.553.6%80.2%90.5%34.7%—96.4%
Kimi K2.7 Code$0.6 / $2.567%—————
Kimi K3$3 / $1580.9%93.4%93.5%56%60.4%—