The model is better at coding, using computers and pursuing deeper research capabilities, OpenAI says.

OpenAI is capping off a busy week of announcements with the release of GPT-5.5, its latest model upgrade for ChatGPT...

The model is better at coding, using computers and pursuing deeper research capabilities, OpenAI says.

OpenAI's latest model delivers powerful results but sometimes ignores simple directions, creating a tension between intelligence and control.