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

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...

OpenAI has introduced GPT-5.3-Codex, a new generation of its Codex coding system that did more than write software for others, it helped build itself. The company describes this 5.3 family model as a ...

What if your coding assistant could not only write better code but also improve itself in the process? That’s the promise of GPT-5.3 Codex, OpenAI’s latest leap in AI development. Paul Solt explains ...

OpenAI is retiring two of its older coding models from ChatGPT Codex next week. Thibault Sottiaux, OpenAI’s engineering lead for Codex, announced on X that GPT-5.2 and GPT-5.3-Codex will be retired ...

OpenAI has introduced GPT-5-Codex-Mini, a cost-efficient model offering 4x the usage with only a minor drop in performance. Back in September, OpenAI announced GPT-5-Codex, a new GPT-5 model that is ...

OpenAI has started rolling out GPT 5.1-Codex-Max on Codex with a better performance on coding tasks. In a post on X, OpenAI confirmed that GPT 5.1-Codex-Max can work independently for hours. Unlike ...

OpenAI has released GPT-5.2-Codex via its API, a frontier-class model optimized for complex, long-running agentic coding tasks. Last month, OpenAI released the GPT-5.2 model series, delivering ...

OpenAI has introduced GPT‑5.1-Codex-Max, a new frontier agentic coding model now available in its Codex developer environment. The release marks a significant step forward in AI-assisted software ...