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OpenAI

GPT-5.1

Former stealth modelReasoningClosed weightsModels.dev
Intelligence
24.7
Rank 179 of 744 measured models
Coding
49.4
Rank 124 of 298 measured models
Output speed
112 t/s
Rank 151 of 403 measured models
Price/1M
$3.44
Rank 510 of 659 measured models
Context window
400K
Rank 357 of 1199 measured models

GPT-5.1 (High) scores 24.7 on the Artificial Analysis Intelligence Index, ranking 179th of 744 measured models. The closest models on this index are Claude Sonnet 4.6 (24.7), Solar Open2 250B (24.7), and Ling-3.0-flash-VL (24.6). At $3.44 per million tokens (3:1 input/output blended price), it is cheaper than Claude Sonnet 4.6 ($6), more expensive than Ling-3.0-flash-VL ($0.111). With an output speed of 112 t/s, it is faster than Claude Sonnet 4.6 (45.2 t/s), slower than Ling-3.0-flash-VL (124 t/s).

Artificial Analysis Indices
High
Intelligence24.7
Rank 179 of 744 measured models
Coding49.4
Rank 124 of 298 measured models
Math94.0
Rank 14 of 270 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
MMLU Pro87.0%
Rank 13 of 349 measured models
GPQA Diamond87.3%
Rank 104 of 619 measured models
HLE28.5%
Rank 162 of 664 measured models
LiveCodeBench86.8%
Rank 9 of 343 measured models
AIME 202594.0%
Rank 14 of 270 measured models
IFBench72.9%
Rank 46 of 450 measured models
AA-LCR80.0%
Rank 77 of 575 measured models
TerminalBench Hard45.5%
Rank 34 of 432 measured models
Additional benchmarks8
Design Arena · 3d43.7%
Design Arena · Asciiart48.6%
Design Arena · Codecategories53.0%
Design Arena · Dataviz58.0%
Design Arena · Gamedev55.9%
Design Arena · Svg57.4%
Design Arena · Uicomponent52.9%
Design Arena · Website54.0%
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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