What is Codex by OpenAI?
Codex by OpenAI is a coding agent that writes code, fixes bugs and answers questions about a codebase. Developers can assign it tasks that run in cloud environments or work with it locally. It is available through ChatGPT plans and the OpenAI API.
Key facts
- Pricing
- Usage-based
- Category
- Coding
- Website
- https://openai.com/codex
- Listing updated
- Nov 6, 2026
Codex by OpenAI FAQ
What is Codex by OpenAI?
Codex by OpenAI is a coding agent that writes code, fixes bugs and answers questions about a codebase. Developers can assign it tasks that run in cloud environments or work with it locally. It is available through ChatGPT plans and the OpenAI API.
What does Codex by OpenAI cost?
Codex by OpenAI pricing is listed as Usage-based.