GPT-5.5 is a cutting-edge model launched by OpenAI, designed for complex professional work scenarios. It further enhances reasoning capability and operational stability based on GPT-5.4, and optimizes token usage efficiency for high-difficulty tasks. Boasting a context window of over one million tokens, the model supports dual input of text and images, and can accomplish large-scale logical reasoning, code writing and multimodal workflows within a single system.
