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OpenAI Proprietary Released Nov 12, 2025 Updated

GPT-5.1 Codex Mini

ToolsGuide Scores, rankings, test results and price.

Model summary

  • Coding #134 / 147

    188 / 1,000

    ToolsGuide Score· votes only

  • Price per 1M tokens

    No listed price

Summary

GPT-5.1 Codex Mini is OpenAI's model, released Nov 12, 2025. It's ranked in 1 category and does best at coding: #134 of 147, with a ToolsGuide Score of 188 against a median of 316.

Its coding score uses votes only, because it has published fewer than two of the tests used for that category.

It has published results on 1 tests.

Specifications

Creator
OpenAI
Licence
Proprietary
Released
Nov 12, 2025
Context window
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Input price
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Output price
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Tests reported
1
Settings ranked
GPT-5.1-Codex-Mini

Model comparison

Against the ten best coding models.

Coding score

ToolsGuide Score out of 1,000 · Higher is better

Input price

USD per 1M input tokens · Lower is better

Leaderboards

Where GPT-5.1 Codex Mini sits among the top 20 in each category.

Coding

#134 of 147 · ToolsGuide Score out of 1,000, where 1,000 is a flawless model

Full coding leaderboard →

By task

Scored from votes on each kind of prompt alone, on the same 1,000-point scale.

Coding

GPT-5.1-Codex-Mini · hover a bar for its rank

Test results

Every test GPT-5.1 Codex Mini has a published result on, out of 100%, with its rank among the models that took it.

  • AIME 2025

    #117 / 123

    Competition maths problems from the 2025 American Invitational Mathematics Exam.

    42.1%

    Self-reported