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, ...

According to OpenAI, GPT-5 Codex improved human preference scores on mobile websites. In addition, when GPT-5 Codex is used ...

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 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 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 ...

With the recent release of GPT 5.2, OpenAI updated other related models, including its popular coding model Codex, bringing more agentic use cases to its fold. GPT-5.2-Codex, which OpenAI called in a ...