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Everything about OpenAI Codex
Software engineering agent developed by OpenAI
Codex is an AI coding agent developed by OpenAI for software engineering tasks such as writing code and fixing bugs, released in April 2025 as Codex CLI. Codex is available through ChatGPT's web app, the Codex CLI, a desktop app for Windows and macOS, and several IDE integrations. In March 2026, OpenAI introduced Codex Security, an application-security agent designed to identify and fix software vulnerabilities. Wikipedia →
🧠Start here: a 6-step reading path
- Read the overview: OpenAI CodexA 5-minute orientation
- Pick up a classic book: Noise FloorThe most-reprinted book on the subject
- Go sideways: List of AI-assisted software development toolsA closely related topic
- Go sideways: Model Context ProtocolA closely related topic
đź“– Definitions
No dictionary entry for this exact phrase.
🏆 Landmark papers (most cited)
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đź“š Books worth reading
Noise FloorRavi Vale · 2026
Approve NothingRavi Vale · 2026
Prove It PortsRavi Vale · 2026
Codex RemoteRavi Vale · 2026
Ship It With CodexRavi Vale · 2026
Ranked by number of editions on Open Library, a rough measure of how lasting a book is.
đź”— Related topics
- List of AI-assisted software development tools This is a list of AI-assisted software development tools which are tools used for AI-assisted software development, especially large language models and…
- Model Context Protocol The Model Context Protocol (MCP) is an open standard and open-source framework introduced by Anthropic in November 2024 to standardize the way artificial…
- Google Antigravity Google Antigravity is a software development platform from Google in which artificial intelligence (AI) agents write, run and test code with varying degrees…
- GitHub Copilot GitHub Copilot is a code completion and programming AI-assistant developed by GitHub and OpenAI that assists users of Visual Studio Code, Visual Studio…
- Ollama Ollama is an open-source software platform developed by Jeffrey Morgan and Michael Chiang in 2023 for running and managing large language models on local…
- GPT-5.5 GPT-5.5 (Generative Pre-trained Transformer 5.5) is a large language model (LLM) released by OpenAI on April 23, 2026. The model is also known by its codename…
- OpenRouter OpenRouter is an American artificial intelligence routing service provider that operates a platform for accessing and routing requests to large language…
- Lists of open-source artificial intelligence software These lists include projects which release their software under open-source licenses and are related to artificial intelligence projects. These include…