OpenAI has announced the release of GPT-5.5, which the company describes as its “smartest model yet.” According to OpenAI’s announcement, the new model is designed to be faster and more capable than its predecessors.
The company states that GPT-5.5 is specifically built for handling complex tasks including coding, research, and data analysis across various tools. OpenAI positions the model as an advancement in their language model offerings, though specific technical details about architecture improvements or benchmark performance were not provided in the announcement. The release continues OpenAI’s pattern of iterative improvements to its GPT series of large language models.