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GPT-5 Mini

GPT-5 mini is an AI model from OpenAI.

Publisher
OpenAI
Family
GPT
Context
400K
Input
Output
License
proprietary
Released
7 Aug 2025

Cite

Notes

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Attribution

Attribution policy →
Context
400K
Weights
Closed
API only
Input
$0.25
/1M tok
Output
$2
/1M tok
Blended
$0.69
#325/ 472/1M · 3:1
Speed
0
#116/ 472tok/s
Cache read
$0.02
0.10x input

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

Reasoning effortIndexSpeed
high17.40 t/s
medium20.60 t/s
minimal9.90 t/s

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

Reported on 65 evals across 13 domains - best 100.0% on Gpu Puzzles Modal · #1 of 3

Reported eval scores

65
Vf Thick Fog272.1
Vf Binary Liar39.2
Gpu Puzzles Modal100
Csv Qa100
Deepdive66.7
Clockbench40
Mastermind1.5
Mastermind1.5
Fingpt Sentiment88.3
Wiki Search86
Wiki Search86
Codenames1.7
Twenty Questions0.5
Hypothesis Forge47.2
Transformerpuzzles0
Backend Bench0
Autonomous Skill Evolution1.1
Curvebench Env18.1
Gutenberg Env90
Capa25

Head-to-heads

29

benchmark comparisons against other models

vs GPT-5 Nano38 shared evalsvs GPT-536 shared evalsvs GPT-4.1 Mini32 shared evalsvs GPT-5.232 shared evalsvs Claude Sonnet 4.531 shared evalsvs Claude Opus 4.531 shared evalsvs Claude 4 Sonnet29 shared evalsvs Claude Opus 4.628 shared evalsvs Gemini 3.1 Pro Preview27 shared evalsvs GPT-5.427 shared evalsvs Gemini 2.5 Pro26 shared evalsvs DeepSeek V3.226 shared evalsvs Grok 4.1 Fast26 shared evalsvs GPT-5.525 shared evalsvs Kimi K2.525 shared evalsvs Claude Opus 4.725 shared evalsvs GLM 5.125 shared evalsvs gpt-oss-120b25 shared evalsvs GLM 4.725 shared evalsvs Claude Opus 4.824 shared evalsvs GPT-5.4 Mini24 shared evalsvs Claude Fable 523 shared evalsvs Claude Sonnet 4.623 shared evalsvs GPT-4.122 shared evalsvs Qwen3.6 Plus21 shared evalsvs GPT-4.1 Nano21 shared evalsvs GPT-4o20 shared evalsvs GPT-4o-mini18 shared evalsvs GPT-6 Astra12 shared evals