GPT-5 Mini

Aug 2025
Retires Dec 11, 2026Move toGPT-5.6 TerraNewer version
GPT-5 Mini
Compare in
on
—per task?
$0.25 / $2per 1M in / outcache $0.025
110 tok/sfirst token in 15 s?
400Kcontext

Alternatives?

FAQ

How much does GPT-5 Mini cost?›

$0.25 per 1M input tokens and $2 per 1M output tokens; cached input $0.025 per 1M.

Is GPT-5 Mini free to use?›

There is no free API; the cheapest paid price is $0.25 per 1M input tokens.

How good is GPT-5 Mini, and what is it best at?›

#141 of 336 in Chat & Knowledge, #77 of 134 in Coding, #81 of 135 in Agents & Tool Use, #114 of 197 in Writing & Language, #75 of 125 in Vision & Documents. Strongest at: Instructions.

Is GPT-5 Mini better than Claude Sonnet 4.5?›

On MathArena · Kangaroo 2025 1-2, GPT-5 Mini scores 61.5 vs 61.5 — about the same.

How can I use GPT-5 Mini?›

Through the API of Azure, OpenAI.

What is the context window of GPT-5 Mini?›

400K tokens, with up to 128K output tokens.

When was GPT-5 Mini released? Is there a newer version?›

Released 2025-08-07. It has been superseded by GPT-5.6 Terra.

Is GPT-5 Mini open source?›

No, GPT-5 Mini is a closed model available through an API. The closest open-weights option here is Kimi K3.

Can GPT-5 Mini read images?›

It accepts text and images, PDF files as input.

What is GPT-5 Mini?›

GPT-5 Mini is a closed language model from OpenAI, released Aug 2025, the successor to GPT-4.1 Mini.

What are the best alternatives to GPT-5 Mini?›

GPT-5.5 (better), Kimi K3 (open weights).