OpenAI’s GPT-5.3-Codex drops as Anthropic upgrades Claude — AI coding wars heat up ...

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

Anthropic Unveils New AI Model As OpenAI Rivalry Heats Up

Anthropic says its latest model, Claude Opus 4.6, represents a fundamental shift in how AI handles complex workplace tasks ...