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OpenAI

GPT-5.4 Pro

GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...

Capabilities:

Input
  • Text input
  • Image input (vision)
  • File input (PDF)
  • Audio input
  • Video input
Output
  • Text output
  • Image output
  • Audio output
Pricing & availability:

  • OpenRouterOpenRouter

    $30 / $180 per M
Sources:
OpenRouterOpenRouter
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Details:

  • OpenAIProvider

    OpenAI

  • Context window

    1.05M

  • Input price

    $30/M

  • Output price

    $180/M

  • Open weights

    No

  • Released

    Mar 2026