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GPT-5.1-Codex-Mini

Multimodalby OpenAI·Model page

OpenAI's compact multimodal coding model with a 400k-token context for code generation and editing.

Max output

Most tokens the model can return in a single response.

128Ktokens
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Design Arena

Design Arena ranks models on real-world front-end and design tasks — websites, UI components, data viz, SVG and more — through head-to-head human votes, scored as an ELO rating.
CategoryELOWin rateRank
Asciiart112843.0%#51
Website112542.8%#89
Game dev111943.4%#82
Data viz111540.6%#86
Code111141.5%#89

Pricing

per 1M tokens
Input$0.25 /1M
Output$2 /1M
Cache read$0.03 /1M
Web search$0.01

Model Description

GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

Author
O
OpenAI
Organization · ✓
openai
Details
Downloads
Likes
AccessClosed Source
Context400K tokens
Input price$0.25 /1M
Output price$2 /1M
CreatedNov 13, 2025
Updated
View on Hugging Face
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GPT-5.1-Codex-Mini — AI Model Details | Applied