GPT-5.3 Codex merges the advanced coding capabilities of GPT-5.2 Codex with the reasoning and professional knowledge of GPT-5 ...
The company says its latest model’s agentic skills also apply to a broader set of knowledge work such as presentations and ...
As for another major first, GPT-5.3-Codex has become the first OpenAI model to help build itself. "The Codex team used early ...
In a significant update, OpenAI has launched GPT-5.3 Codex, an agentic coding tool, just moments after Anthropic unveiled its own.As per the company, the recently introduced model transforms Codex ...