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  Agentic AIAI Models

  OpenAI’s GPT-5.5 Pricing, Features, Access and Comparison with Opus 4.7 and GPT-5.4

  GPT-5.5 is OpenAI’s flagship model for coding and professional work. Here is what it is, what changed from GPT-5.4, how much it costs, and who should use it.
  April 25, 2026