OpenAI’s GPT-5.3-Codex expands Codex into a full agentic system, delivering faster performance, top benchmarks, and advanced cybersecurity capabilities.
The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...
GPT-5.3-Codex is the first time the ChatGPT maker has found that its own models can be instrumental in its own development.