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, ...
eWeek

GPT-5.3-Codex: OpenAI Unveils a 25% Faster AI Model That Goes Beyond Coding

OpenAI’s GPT-5.3-Codex expands Codex into a full agentic system, delivering faster performance, top benchmarks, and advanced cybersecurity capabilities.
Futurism

Codex, OpenAI’s New Coding Agent, Wants to Be a World-Killer

Though artificial intelligence is taking the world by storm, it’s still pretty bad at tasks demanding a high-degree of flexibility, like writing computer code. Earlier this year, ChatGPT maker OpenAI ...