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, ...

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

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

Apple’s Xcode adds OpenAI and Anthropic’s coding agents

Apple is building OpenAI and Anthropic’s AI-powered coding agents directly into Xcode. New integrations in Xcode 26.3 will give developers the ability to call upon Anthropic’s Claude Agent and ...