GPT-5.4 Pro

{
  "id": "openai/gpt-5.4-pro",
  "name": "GPT-5.4 Pro",
  "description": "More exact GPT-5.4 tier for demanding professional reasoning and agent tasks",
  "family": "gpt-pro",
  "last_updated": "2026-03-05",
  "knowledge": "2025-08-31",
  "attachment": true,
  "reasoning": true,
  "tool_call": true,
  "structured_output": false,
  "temperature": false,
  "modalities": {
    "input": [
      "text",
      "image"
    ],
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  },
  "limit": {
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    "input": 922000,
    "output": 128000
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    },
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}