OpenAI has released GPT-5.5 and enhanced its security capabilities: The Pro version is now available to enterprise users, and the API will be launched soon.

BlockBeats News, April 24th, OpenAI announced the launch of GPT-5.5, calling it the smartest and most user-friendly model to date, equipped with the strongest security system to date, further advancing AI's ability to perform complex tasks on the edge.

At the same time, OpenAI stated that GPT-5.5 Pro is gradually being rolled out to ChatGPT's professional, commercial, and enterprise users, with API access set to be launched soon, accelerating the adoption of developers and enterprise applications.