The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

The plugin allows developers to run Codex reviews and delegate tasks directly within Anthropic’s Claude Code environment ...

The GPT-5.3 and 5.4 models represent a different approach, hinting at a major change in how major AI firms build their tech.

A breach at data analytics provider Mixpanel Inc. has compromised the account information of some OpenAI Group PBC users. The ChatGPT developer disclosed the incident on Wednesday. Mixpanel’s namesake ...

GPT-5.1 speeds up coding with adaptive and no-reasoning modes. New prompt caching cuts API costs for embedded app developers. New tools make AI agents more capable inside modern IDEs. OpenAI is back ...

The company released updates to Sora on a regular cadence all the way through this week, making the news of the shutdown even ...

ChatGPT went from novelty to necessity in less than two years. It is now part of how you work, learn, write, code and search. OpenAI has said the service has roughly 800 million weekly active users, ...