OpenAI’s GPT-5.3-Codex thinks deeper and wider about coding work

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...

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, with benchmark claims, enterprise agent ambitions, and cybersecurity ...

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.

With GPT-5.3-Codex, OpenAI pitches Codex for more than just writing code

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line, IDE extension, web interface, and the new macOS desktop app. (No API ...

AI is in its self-improvement era: OpenAI says its new coding model helped to build itself

Beyond creating the underlying models that generate code, AI is also being harnessed to create the interfaces that customers and developers outside the company use to write code. On Monday, OpenAI ...

GPT-5.3-Codex Released as OpenAI’s First AI Model to Assist in Its Own Development

OpenAI’s GPT-5.3-Codex is 25 percent faster and requires less than half the tokens as its predecessor, 5.2-Codex.