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GPT 5.2 Codex

GPT 5.2 Codex is the GPT-5.2 generation coding agent model from OpenAI, combining GPT-5.2 advances in reasoning with purpose-built autonomous software engineering capabilities.

ReasoningTool UseImplicit CachingVision (Image)File Input
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'openai/gpt-5.2-codex',
prompt: 'Why is the sky blue?'
})

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Try out GPT 5.2 Codex by OpenAI. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.