GPT-5-Codex
GPT-5-Codex is a GPT-5 family model specialized for autonomous software engineering, designed to operate as a coding agent that reads repositories, writes code, executes tests, and iterates on solutions in sandboxed environments.
File InputReasoningTool UseVision (Image)Implicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({ model: 'openai/gpt-5-codex', prompt: 'Why is the sky blue?'})More models by OpenAI
| Model |
|---|
| 1M | 2.6s | 56tps | $5.00/M | $30.00/M | Read: $0.5/M Write: — | $10.00/K + input costs | — | +4 |    | 04/24/2026 | |||
| 400K | 1.6s | 67tps | $0.75/M | $4.50/M | Read:$0.07/M Write:— | $10.00/K + input costs | — | +4 | | 03/17/2026 | |||
| 400K | 0.5s | 136tps | $0.20/M | $1.25/M | Read:$0.02/M Write:— | $10.00/K + input costs | — | +4 | | 03/17/2026 | |||
| 1.1M | 1.3s | 68tps | $2.50/M | $15.00/M | Read: $0.25/M Write: — | $10.00/K + input costs | — | +4 | | 03/05/2026 | |||
| 400K | 3.6s | 353tps | $0.25/M | $2.00/M | Read:$0.03/M Write:— | $14/K + input costs | — | +3 | | 08/07/2025 | |||
| 131K | 0.1s | 1455tps | $0.35/M | $0.75/M | Read:$0.25/M Write:— | — | — |   +5 | 08/05/2025 |