OpenAI's new Spark model codes 15x faster than GPT-5.3-Codex - but there's a catch ...

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

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

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 ...

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 ...

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

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

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

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

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!

Spark, a lightweight real-time coding model powered by Cerebras hardware and optimized for ultra-low latency performance.