GPT-5.1-Codex
GPT-5.1-Codex is a GPT-5.1 generation coding agent model designed for autonomous software engineering, combining improved reasoning over the GPT-5 codex generation with the ability to read, write, execute, and verify code in sandboxed environments.
File InputTool UseReasoningVision (Image)Web SearchImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5.1-codex', prompt: 'Why is the sky blue?'})Providers
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