OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.

Step-by-step builds beat full-spec instructions for AI coding. AIs can destroy code as quickly as they create it. Use AGENTS.md, screenshots, and refactoring to keep projects stable. Last week, I put ...

Claude Opus 4.6 and ChatGPT 5.3 Codex launch with a 1-million-token window and 25% faster runs, letting you match tasks to ...

OpenAI has introduced GPT-5 Codex, a version of GPT-5 that is fine-tuned for coding agent workflows and built to better support developers working across varied environments. Rather than just ...

OpenAI today debuted a new artificial intelligence agent, Codex, that can help developers write code and fix bugs. The tool is available through a sidebar in ChatGPT’s interface. One button in the ...

OpenAI's new Codex agent is essentially a vibe-coding environment based on a ChatGPT-like comment interface. As much as the vibe-coding idea seems like a meme for wannabe cool-kid coders, the new ...

ChatGPT's Codex, which is an AI agent that lets you code and delegate programming tasks, is now testing a new feature that lets you choose the best solution. OpenAI launched Codex in April, and it's a ...

OpenAI will enable developers to embed their applications into ChatGPT using a new software toolkit called the Apps SDK. Executives revealed the first seven apps that integrate with the chatbot ...

OpenAI makes Codex available to all developers and teams. Slack integration and SDK bring AI into coding workflows. Admin tools add visibility, control, safer automation for enterprises. OpenAI ...

ChatGPT Codex wrote code and saved me time. It also created a serious bug, but it was able to recover. Codex is still based on the GPT-4 LLM architecture. Well, vibe coding this is not. I found the ...

OpenAI announced on Friday it’s launching a research preview of Codex, the company’s most capable AI coding agent yet. Codex is powered by codex-1, a version of the company’s o3 AI reasoning model ...