GPT-5.3-Codex is about more than just writing code ...

OpenAI's new GPT-5.3-Codex is 25% faster and goes way beyond coding now - what's new ...

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

On a 2.0 terminal benchmark, OpenAI’s model scores about 10% higher, guiding users toward stronger results on long, complex ...

In benchmark tests such as Swaybench Pro and Terminal Bench, GPT-5.3 Codex consistently outperformed its predecessors, setting new standards for speed and execution. When compared to Anthropic’s Opus ...

GPT-5.3 inside OpenAI’s public GitHub repository, suggesting that the general-purpose version of the model is already in development. The First sighting of GPT 5.3 has been spotted!

Anthropic, one of OpenAI's chief rivals, also released a new coding model today, Claude Opus 4.6. Earlier this week, OpenAI ...

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

Codex, a new coding model that, according to the development team, was significantly involved in its own development.

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 ...

On SWE-bench Pro (Public), which evaluates software engineering performance across multiple programming languages, GPT-5.3-Codex reached 56.8% accuracy. The most notable improvement appeared in ...

The same prompts in GPT-5 yield success, crashes, or errors. OpenAI's prompt optimizer helps, but introduces its own quirks. AI "unconsciously" adding details raises trust concerns. Do AI's get ...