GPT-5.4 Nano

Name: GPT-5.4 Nano
Author: OpenAI

Closed

GPT-5.4 nano is an AI model from OpenAI.

Publisher: OpenAI
Family: GPT
Context: 400K
Input
Output
License: proprietary
Released: 17 Mar 2026

Cite

Notes

Only stored in your browser.

Attribution

Benchmark scores: frontiermathAA LiveBench prime-hub Vals AI EQ-Bench

Attribution policy →

Context

400K

Input

$0.20

/1M tok

Output

$1.25

/1M tok

Blended

$0.46

#292/ 461/1M · 3:1

Speed

#115/ 461tok/s

Cache read

$0.02

0.10x input

Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter

Reasoning effort	Index	Speed
xhigh	39.7	0 t/s
medium	30.8	0 t/s
Non-reasoning	17.8	0 t/s

Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers

Reported on 29 evals across 13 domains - best 91.7% on Polars Env

Reported eval scores

LiveBench - Math91.3

LiveBench - Coding72.1

LiveBench - Reasoning81.1

Terminal-Bench (Hard)24.2

LiveBench - Language62.5

LiveBench - Data Analysis67.6

LiveBench - Instruction Following67.2

IFBench32.7

LiveBench73.6

Vals Index33

Humanity's Last Exam (HLE)4.1

FrontierMath25.9

SciCode35.2

GPQA Diamond55.8

CorpFin v261.2

Finance Agent (v2)38.2

MortgageTax59.1

TaxEval v267.4

τ²-bench (Tau²-bench)34.8

AutomationBench26.2