GPT-Image-2 is OpenAI's image generation model, first announced on April 21, 2026, and available through the API in early May 2026
Why: GPT-Image-2 is OpenAI's most capable image model to date, with notably better text-in-image accuracy. It is a natural choice for OpenAI API users who want image generation alongside text and audio in a single platform.
Why: GPT-5.5 Instant is the model most ChatGPT users will interact with by default. Its balance of speed and capability makes it a practical baseline for writing, analysis, coding help, and general assistant tasks.