FAQ
Common questions about GPT-5.1.
What is the GPT-5.1 release date?
GPT-5.1 was released on November 13, 2025 by OpenAI.
Who created GPT-5.1?
GPT-5.1 was created by OpenAI.
What is the license for GPT-5.1?
GPT-5.1 is released under the Proprietary license.
What is the knowledge cutoff date for GPT-5.1?
GPT-5.1 has a knowledge cutoff of September 2024. This means the model was trained on data up to this date and may not have information about events after this time.
Is GPT-5.1 multimodal?
Yes, GPT-5.1 is a multimodal model that can process both text and images as input.