OpenAI has announced the release of GPT-5.5, the latest upgrade to the company's family of models powering its ChatGPT and ...
OpenAI says it has already put GPT-5.5’s coding skills to use internally. The LLM helped optimize the software that manages ...
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.