OpenAI launches new agentic coding model only minutes after Anthropic drops its own

The new model is build to accelerate the capabilities of Codex, the agentic coding tool OpenAI launched earlier this week.

OpenAI’s GPT-5.3-Codex drops as Anthropic upgrades Claude — AI coding wars heat up ahead of Super Bowl ads

OpenAI launched GPT-5.3-Codex as Anthropic released Claude Opus 4.6 in a simultaneous drop that kicks off the AI coding wars, ...

Anthropic reveals new Opus 4.6 model with more autonomy and better focus

Anthropic has announced its latest AI model with Claude Opus 4.6. The new version arrives just two months after ...

Coding to become obsolete? Aditya Agarwal, ex-Dropbox CTO, shares heartfelt message on Anthropic's Claude Cowork — top experts respond

Anthropic Claude AI coding experience: Former Dropbox CTO Aditya Agarwal shared a profound experience coding with Anthropic's ...