GPT-5.3-Codex is the first time the ChatGPT maker has found that its own models can be instrumental in its own development.

Why OpenAI’s latest coding breakthrough is forcing the company to rethink how—and how fast—it can deploy its most powerful ...

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

Notably, GPT-5.3-Codex is the first OpenAI model that was used to create itself: The team used early versions of the model to debug its training, manage its deployment, and diagnose test results and ...

Today, OpenAI announced GPT-5.3-Codex, a new version of its frontier coding model that will be available via the command line, IDE extension, web interface, and the new macOS desktop app. (No API ...

A Chrome browser extension posing as an artificial intelligence assistant is siphoning OpenAI credentials from more than ...

OpenAI launches GPT-5.3-Codex with faster coding, stronger reasoning, and higher benchmark accuracy—plus API access soon.

The deal positions Snowflake to compete with Databricks in AI while giving OpenAI enterprise distribution beyond Microsoft’s ecosystem.

Codex, a new coding model that, according to the development team, was significantly involved in its own development.

From time to time, OpenAI removes older models from ChatGPT’s model picker, as users become accustomed to newer ones. Here ...

When OpenAI unveiled GPT-5.3-Codex, this was no longer being positioned as a developer tool but as a general-purpose work agent capable of operating across software engineering, knowledge work, and ...

Thousands of users reported issues with OpenAI's chatbot, ChatGPT. Here's what we know about the outage, including whether ...