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OpenAI

GPT-5.4 nano

ReasoningClosed weights
Intelligence
20.0
Rank 250 of 744 measured models
Output speed
161 t/s
Rank 70 of 403 measured models
Price/1M
$0.463
Rank 268 of 659 measured models
Context window
400K
Rank 357 of 1199 measured models

GPT-5.4 nano (Medium) scores 20.0 on the Artificial Analysis Intelligence Index, ranking 250th of 744 measured models. The closest models on this index are o3 (20.2), Ling 3.0 Flash (20.1), and K-EXAONE 2.0 0803 (19.7). At $0.463 per million tokens (3:1 input/output blended price), it is cheaper than o3 ($3.50), more expensive than Ling 3.0 Flash ($0.111). With an output speed of 161 t/s, it is faster than o3 (112 t/s), slower than Ling 3.0 Flash (290 t/s).

Artificial Analysis Indices
Medium
Intelligence20.0
Rank 250 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 Diamond76.1%
Rank 256 of 619 measured models
HLE15.9%
Rank 251 of 664 measured models
IFBench64.4%
Rank 109 of 450 measured models
AA-LCR67.3%
Rank 242 of 575 measured models
TerminalBench Hard33.3%
Rank 95 of 432 measured models
τ²-Bench52.6%
Rank 204 of 440 measured models
Models at a similar level
The closest models on the Intelligence Index, one configuration per family.

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