Codex use cases
Learn how teams are using Codex to automate tasks, build apps and ship with confidence.
OpenAI for developers
Docs and resources to help you build with, for, and on OpenAI.
GPT-5.6: Lower prices and faster speeds.
Sol is now over 20% cheaper, Luna is 80% cheaper, and Terra is 20% cheaper, while Fast mode makes Sol up to 2.5× faster.
API Platform
Use our APIs and models to build your own AI experiences.
Codex
Build and ship faster with our coding agent — everywhere you work.
Plugins
Extend ChatGPT and Codex with skills, MCP servers, and optional UI.
Showcase
Discover what builders are creating with Codex and the OpenAI API, and build your own version.
Featured
GPT Image 2 for image generation and editing
Generate and edit images with stronger instruction following, flexible sizes, and high-fidelity image inputs.
Codex for (almost) everything
April 16, 2026
Blog posts
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Automating repetitive work at OpenAI with Codex
How Runme and WebMCP turn recurring engineering tasks into reviewable, reusable workflows.
Aug 25, 2026 Codex
Scaling cyber defenders with Daybreak
Use ChatGPT, Codex Security, and open-source tools to investigate threats, validate vulnerabilities, and move from findings to reviewed, verified fixes.
Aug 21, 2026 Codex
Codex as a platform: build on the open agent harness
Build Codex into the products and workflows your users already know.
Aug 19, 2026 Codex