OpenAI
Language model

GPT-5.1-Codex-Mini

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

At a glance

Provider
OpenAI
Type
Language model
Context window
400,000 tokens
Model ID
openai/gpt-5.1-codex-mini

Overview

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

GPT-5.1-Codex-Mini is available in Omny. 400,000 token context window. Image input.

What it can do

  • 400,000 token context window
  • Image input

Using it in Omny

Use GPT-5.1-Codex-Mini in Omny and compare its results with other language models on the same task.

Best for: Chat and comparing answers on your own prompts.

Questions

How do I use GPT-5.1-Codex-Mini?

Open chat in Omny and select GPT-5.1-Codex-Mini. Model access and usage depend on your plan.

What does GPT-5.1-Codex-Mini support in Omny?

400,000 token context window. Image input.

Put GPT-5.1-Codex-Mini at the table.

Ask GPT-5.1-Codex-Mini and other models the same question side by side, then keep the best answer.