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OpenAI

GPT-5 nano

ReasoningClosed weightsModels.dev
Intelligence
13.0
Rank 348 of 744 measured models
Output speed
159 t/s
Rank 73 of 403 measured models
Price/1M
$0.138
Rank 122 of 659 measured models
Context window
400K
Rank 357 of 1199 measured models

GPT-5 nano (High) scores 13.0 on the Artificial Analysis Intelligence Index, ranking 348th of 744 measured models. The closest models on this index are DeepSeek R1 0528 (May '25) (13.1), Qwen3.5 4B (13.1), and GPT-5 Nano (batch) (13.0). At $0.138 per million tokens (3:1 input/output blended price), it is cheaper than DeepSeek R1 0528 (May '25) ($1.76), more expensive than Qwen3.5 4B ($0.060) and GPT-5 Nano (batch) ($0.0687). With an output speed of 159 t/s, it is faster than DeepSeek R1 0528 (May '25) (31.9 t/s) and Qwen3.5 4B (19.9 t/s).

Artificial Analysis Indices
High
Intelligence13.0
Rank 348 of 744 measured models
Math83.7
Rank 52 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 Pro78.0%
Rank 143 of 349 measured models
GPQA Diamond67.6%
Rank 345 of 619 measured models
HLE9.5%
Rank 346 of 664 measured models
LiveCodeBench78.9%
Rank 31 of 343 measured models
AIME 202583.7%
Rank 52 of 270 measured models
IFBench67.6%
Rank 86 of 450 measured models
AA-LCR45.0%
Rank 346 of 575 measured models
TerminalBench Hard12.1%
Rank 223 of 432 measured models
Additional benchmarks6
Design Arena · 3d36.3%
Design Arena · Codecategories48.0%
Design Arena · Dataviz46.2%
Design Arena · Gamedev46.5%
Design Arena · Uicomponent51.9%
Design Arena · Website48.9%
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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