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

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 ...

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 ...

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

OpenAI’s new demo shows developers how to build real-time voice agents with handoffs, tools and production-style ...

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

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

First, we got the new GPT-5.3, an “instant” model optimized for fast, accurate responses. Then, OpenAI released GPT-5.4 two days later. This is a “thinking” model optimized for deep analytical work. I ...

The revised agreement will enable OpenAI to “serve all its products to customers across any cloud provider.” In a post on X ...