OpenAI Codex
Overview
Section titled “Overview”| Company | OpenAI |
| Type | CLI + Desktop + Web (cloud-backed agent) |
| Pricing | ChatGPT subscription or API usage |
| Protocol | Custom |
| Config Formats | AGENTS.md |
| Website | Codex Web · Codex Desktop · Codex CLI |
What It Does
Section titled “What It Does”OpenAI Codex is a coding agent you can use from Codex CLI, Codex Desktop, and Codex Web, with tasks executed in sandboxed cloud environments. It can work on multiple tasks in parallel, each in its own isolated container.
Key Strengths
Section titled “Key Strengths”- Cloud sandboxing: Each task runs in an isolated environment
- Parallel execution: Work on multiple tasks simultaneously
- GitHub integration: Creates PRs, responds to issues
- AGENTS.md native: One of the original drivers of the AGENTS.md standard
Best For
Section titled “Best For”- Teams wanting to delegate routine coding tasks
- Parallel bug fixing across multiple issues
- Organizations using ChatGPT Team/Enterprise