OpenAI also shared six best practices for using Codex. First, start with a “questioning mode,” allowing Codex to generate an implementation plan, which helps to avoid errors. Second, iterate for ...

What steps can reproduce the bug? TL;DR: I feed a series of git diff chunks via my CLI (gitbut) and Codex kills the stream with “Your input exceeds the context window.” Claude Code has an autocompact ...

According to @gdb on X dated Sep 19, 2025, codex cli can now automatically review your code. Based on @gdb's post on X, which provides no technical details, pricing, or rollout timeline, the source ...

ChatGPT has introduced improvements to the GPT-5-Codex, a version of GPT-5 specially designed for agentic coding inside Codex. This edition is tailored for actual software engineering tasks and excels ...

OpenAI is rolling out the GPT-5 Codex model to all Codex instances, including Terminal, IDE extension, and Codex Web (chatgpt.com/codex). Codex is an AI agent that ...

GPT-5-Codex introduces agentic coding with cloud hand-offs. GitHub integration catches bugs and backward compatibility issues. Usage of Codex surged 10x among developers in a month. OpenAI today ...

OpenAI announced Monday that it’s releasing a new version of GPT-5 to its AI coding agent, Codex. The company says its new model, called GPT-5-Codex, spends its “thinking” time more dynamically than ...

OpenAI has released GPT-5 Codex, a new variant of GPT-5 built for use as an automated coding agent. The model is designed to handle real development tasks like refactoring, generating tests, fixing ...