Codex
OpenAI's cloud and CLI software-engineering agent.
Verified live · 7/11/2026
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What is Codex?
OpenAI's coding agent that works in a sandboxed cloud environment or local CLI to write features, fix bugs, and open pull requests in parallel.
Pros
- Parallel cloud tasks
- CLI and IDE options
- Strong models
Cons
- Included in ChatGPT plans
- Usage limits apply
Pricing
From $0 (from $20/mo) · Subscription
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