GPT-5.4

Latest on GPT-5.4

  • GPT-5.5
    Agentic AIAI Models

    GPT-5.5

    GPT-5.5 is OpenAI's current model for coding and tool-heavy work. See pricing, context window, ChatGPT and API access, and when to use it over GPT-5.4.
    April 25, 2026