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Moonshot AI

Kimi K2.5

Open weights
Intelligence
19.4
Rank 255 of 744 measured models
Output speed
57.4 t/s
Rank 291 of 403 measured models
Price/1M
$1.20
Rank 404 of 659 measured models
Context window
256K
Rank 518 of 1199 measured models

Kimi K2.5 (Non-reasoning) scores 19.4 on the Artificial Analysis Intelligence Index, ranking 255th of 744 measured models. The closest models on this index are Step 3.7 Flash (19.5), Claude 4.5 Sonnet (19.3), and Qwen3.5 35B A3B (19.3). At $1.20 per million tokens (3:1 input/output blended price), it is cheaper than Claude 4.5 Sonnet ($6), more expensive than Step 3.7 Flash ($0.438) and Qwen3.5 35B A3B ($0.688). With an output speed of 57.4 t/s, it is faster than Claude 4.5 Sonnet (41 t/s), slower than Step 3.7 Flash (185 t/s) and Qwen3.5 35B A3B (147 t/s).

Artificial Analysis Indices
Non-reasoning
Intelligence19.4
Rank 255 of 744 measured models
Reasoning levels
Each point is a reasoning level of this model: more reasoning often raises the score but costs more. Select a point to open that level.
Intelligence Indexmost efficient ↗Price / 1M tokens
Standard Benchmarks
GPQA Diamond78.9%
Rank 219 of 619 measured models
HLE13.2%
Rank 280 of 664 measured models
IFBench43.7%
Rank 233 of 450 measured models
AA-LCR67.3%
Rank 242 of 575 measured models
TerminalBench Hard18.9%
Rank 177 of 432 measured models
τ²-Bench81.3%
Rank 124 of 440 measured models
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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