The GPT – 4.1 model is officially launched on ChatGPT

OpenAI has officially launched the GPT-4.1 model, now available on ChatGPT for Plus, Pro, and Team users. Access for Enterprise and Education users will roll out in the coming weeks. The series includes three versions: GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, all supporting a context window of up to 1 million tokens—significantly surpassing the previous GPT-4o. GPT-4.1 excels in code generation, instruction following, and long-text comprehension. It achieved a score of 54.6% on the SWE-bench Verified benchmark, marking a substantial performance improvement over earlier models.