OpenAI has introduced GPT-5.3-Codex, a new generation of its Codex coding system that did more than write software for others ...

OpenAI’s latest Codex model combines faster performance with deeper reasoning and real-time collaboration. The Sam Altman-led ...

Sam Altman-led OpenAI launched GPT-5.3-Codex, which is a fast, agentic model that it believes goes beyond coding and can ...

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