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

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

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 ...

So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the ...

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 ...

In a pre-release briefing, Open AI president and cofounder Greg Brockman said that GPT-5.5 is “way more intuitive to use,” ...

OpenAI unveils GPT-5.5—faster agentic AI for coding, research & data—amid Anthropic Mythos UK talks and cyber-risk concerns.

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