OpenAI Codex

OpenAI's coding agent, available as an open-source CLI and in ChatGPT plans.

open sourceTerminal coding agent

Website	https://openai.com/codex
Best for	ChatGPT subscribers wanting an agent
Pricing	Not yet verified
Free tier	Not yet verified
Open source	Yes
License	Apache-2.0
Hands-on test	Test coming

Machine-readable: Markdown · JSON dataset

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#1 Claude Code

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