OpenAI is capping off a busy week of announcements with the release of GPT-5.5, its latest model upgrade for ChatGPT and Codex. The company calls its new model “a new class of i ...

OpenAI has announced the release of GPT-5.5, the latest upgrade to the company's family of models powering its ChatGPT and ...

OpenAI is rolling out GPT-5.5 in Codex, with a 400K context window and higher coding benchmark scores than GPT-5.4.

ChatGPT and several OpenAI services experienced a partial outage affecting multiple features, with issues being investigated ...

OpenAI's agentic coding tool has gotten a major makeover, with a variety of new powers and abilities.

OpenAI's newest model matches GPT-5.4's speed while outperforming it on nearly every benchmark. It's rolling out to paid ChatGPT users today.

OpenAI is releasing a new version of its Codex desktop app today. The latest Codex update adds three key features that expand ...

OpenAI's Codex desktop app now controls your Mac, runs its own browser, and generates images in a new update released today.

OpenAI Group PBC today announced a major revamp of its artificial intelligence coding tool Codex, giving it a number of new ...

OpenAI launches GPT-5.5, its first fully retrained base model since GPT-4.5, targeting enterprise with agentic coding, computer use, and knowledge work ...

The package of updates comes as OpenAI’s rivalry with Anthropic intensifies, following the stellar successes of Claude Code ...

Put simply: these agents can be created and accessed from ChatGPT, but users can also add them to third-party apps like Slack ...