resources

OpenAI Codex

Lightweight coding agent that runs in your terminal

Cheatsheets

https://blog.infocruncher.com/html/coding_agent_cheatshets/by_cc/codex_cheatsheet.html

https://blog.infocruncher.com/html/coding_agent_cheatshets/by_codex/codex_cheatsheet.html

Docs

https://github.com/openai/codex

https://developers.openai.com/codex/models

https://developers.openai.com/codex/cli

Configs

https://steipete.me/posts/2025/shipping-at-inference-speed#my-config & https://chatgpt.com/g/g-p-69807e98064c8191b7c2b60db9926764-topic-agentic-coding/c/69807be3-d52c-8399-9887-a4630f6674fc

OSS

https://developers.openai.com/codex/config-advanced/#oss-mode-local-providers

https://docs.ollama.com/integrations/codex

Usage / Pricing

https://chatgpt.com/codex/settings/usage

https://platform.openai.com/docs/pricing

Github Codex Connector app

https://github.com/settings/installations

General links

https://github.com/openai/codex/blob/main/codex-cli/examples/prompting_guide.md

https://cookbook.openai.com/examples/gpt4-1_prompting_guide

https://openai.com/index/unrolling-the-codex-agent-loop/