GPT-5.6

Large language model by OpenAI

GPT-5.6 is a large language model (LLM) developed and released by OpenAI on July 9, 2026 for the public. Before its public release, it was supposed to debut in June 2026, but due to the goverment restrictions levied by the Trump administration, it was only available as a limited preview on June 26.

Also known as...Generative Pre-trained Transformer 5.6
OpenAI to Release GPT-5.6

OpenAI to Release GPT-5.6 OpenAI is set to release GPT-5.6 after Washington lifted its national-security hold on the advanced model.