GPT-5.1-Codex-Mini
GPT‑5.1‑Codex‑Mini is a lightweight, fast, and efficient code‑generation model derived from GPT‑5.1‑Codex. It’s optimiz…
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Open / InstallLast updated July 2, 2026
Description
GPT‑5.1‑Codex‑Mini is a lightweight, fast, and efficient code‑generation model derived from GPT‑5.1‑Codex. It’s optimized for quick iterations, smaller environments, and edge applications—offering strong coding assistance with lower computational cost while maintaining accuracy and utility. Supports 400k tokens of input context. Optional parameters: Set reasoning effort: Select from `low`, `medium`, `high`. Medium reasoning effort is set by default.
Author
OpenAI
Platform
web
Pricing model
subscription
Categories
Coding
Research
Tags
poe
openai
text
Capabilities
- Text input
- Text generation
- By OpenAI