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GPT-5 Mini

Release Date 2025-08-07(Knowledge cutoff 2024-05-31)··400K IN · 128K OUTProprietary Model|API available
Overall2.0Top 78%Automation1.5Top 93%Office2.0Top 80%Coding2.0Top 91%

GPT-5 Mini is a compact variant of GPT-5, designed for lighter-weight reasoning tasks with reduced latency and cost. As the successor to o4-mini, it retains GPT-5's instruction-following and safety capabilities while being optimized for everyday workloads that don't require the full model's depth. It offers a practical balance of reasoning ability and efficiency for applications where responsiveness and cost management are key considerations.

  1. 01ImagesGenerated images
  2. 02CostCost · Usage · Speed
  3. 03User CompareUser Comparisons
  4. 04Expert EvalExpert Performance Evaluation
  5. 05OpinionPublic Opinion
  6. 06Related Info

API cost

Official price
$0.25IN$2OUT
Calculate Cost
SourceOpenAI official docs

Output Speed

Fastper 2,000 tokens
First Output3.3s
total25.0s
92tok/s
First Output 3.3stotal: 25.0s
SourceOpenRouterLast updatedOct 8, 2026

User Comparisons

Response Speed
First response 20.5sTotal 21.7s
First response 20.5sTotal 21.7s
55 tok/s
SourceAIB Inc.Last updatedMay 19, 2026

Expert Performance Evaluation

Overall performance

MoreAll overall performance AI rankings
20.6Reasoning effort: Medium139083.7%

By effortMinimal 9.90Medium 20.6High 16.8

About AA Intelligence IndexMore about AA Intelligence Index

Automation (agents)

MoreAll automation AI rankings
15.5%Reasoning effort: High−$3171.1%

About τ³-BankingMore about τ³-Banking

Documents and office work

MoreAll documents and office work AI rankings
72.3%Reasoning effort: High138160.2%43.0%69.4%51.9%

By effortMinimal 39.3%Medium 72.3%High 72.3%

About Long Context ReasoningMore about Long Context Reasoning

Research and fact-checking

MoreAll research and fact-checking AI rankings
139421.6%12.9%87.1%60.4

About Arena Text FactualityMore about Arena Text Factuality

Coding

MoreAll coding AI rankings
0.0%Reasoning effort: High14318003.7%33.3%15.683.8%39.0%64.7%52.7%141634.8%51.0%1.38×23.0%

About Terminal-Bench 4.0More about Terminal-Bench 4.0

Writing and chat

MoreAll writing and chat AI rankings
1352137375.4%132413738.31 / 1080.6%1348

About Arena Writing, Literature & LanguageMore about Arena Writing, Literature & Language

Math and science

MoreAll math and science AI rankings
21.5%Reasoning effort: High0.0%140582.8%86.7%90.790.7%46.7%12.2%9.0%1398140797.8%27.2%6.3%54.3%4.4%8.2%30.0%10.0%80.5%34.2

By effortMinimal 5.1%Medium 15.9%High 21.5%

About Humanity's Last ExamMore about Humanity's Last Exam

Image understanding

MoreAll image understanding and analysis AI rankings
120275.5%40.2%67.5%

About Arena VisionMore about Arena Vision

Specialized fields

13221365140414011407139690.0%84.4%58.3%41.5%16.0%38.6%86.0%89.2%84.2%70.7%75.3%66.0%91.0%87.2%23.3%70.1%83.9%6351910680.0%71.0%96.7%53.0%19.0%74.0%8.6%86.0%67.0%67.0%93.0%50.0%82.7%1.0%39.9%78.2%30.3%67.8%83.9%59.1%51.2%89.1%81.0%63.1%83.0%9.0%27.8%

About Arena KoreanMore about Arena Korean

See each evaluation’s detail page for its source and last update·Data sources & removal requests

Related Info

OpenAI
PrivateAI Native
OpenAI
🇺🇸 San Francisco2015ARR $20B+$840B~3,500
GPT-6 Luna DecisionsGPT-6.1 SolGPT-6 SolGPT-6 LunaGPT Image 2.5 Flare