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Gemini 2.5 Flash Preview (Sep '25)

ReasoningClosed weights
Intelligence
15.5
Rank 302 of 744 measured models
Context window
1M
Rank 84 of 1199 measured models

Gemini 2.5 Flash Preview (Sep '25) (Reasoning) scores 15.5 on the Artificial Analysis Intelligence Index, ranking 302nd of 744 measured models. The closest models on this index are Gemini 3.1 Flash-Lite (15.6), K2 Horizon 3.7B (15.6), and Qwen3 Max (15.6).

Artificial Analysis Indices
Reasoning
Intelligence15.5
Rank 302 of 744 measured models
Math78.3
Rank 72 of 270 measured models
Standard Benchmarks
MMLU Pro84.2%
Rank 41 of 349 measured models
GPQA Diamond79.3%
Rank 212 of 619 measured models
HLE13.8%
Rank 273 of 664 measured models
LiveCodeBench71.3%
Rank 63 of 343 measured models
AIME 202578.3%
Rank 72 of 270 measured models
IFBench52.3%
Rank 169 of 450 measured models
AA-LCR71.0%
Rank 210 of 575 measured models
TerminalBench Hard16.7%
Rank 196 of 432 measured models
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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