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.

How indirect prompt injection attacks on AI work - and 6 ways to shut them down ...

OpenAI Releases GPT-5.5, a Fully Retrained Agentic Model That Scores 82.7% on Terminal-Bench 2.0 and 84.9% on GDPval ...

OpenAI has launched GPT-5.5, focusing on improving ChatGPT’s ability to handle complex tasks and real-world workflows.

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 ...

We use computers close computerA device that processes information by following a set of rules called a program., computing devices and computer systems close computer systemA series of connected ...