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

The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and spreadsheets. On Thursday, OpenAI released GPT-5.3-Codex, a new model that ...

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

OpenAI has launched GPT-5.3 Codex offering a 25% speed increase over GPT-5.2 Codex, helping developers ship code faster.

OpenAI’s frontier model may not have astounded when it arrived earlier this year, but research indicates it’s now much better than others at writing code with fewer vulnerabilities. One area where GPT ...