GPT-Realtime-1.5

{
  "id": "gpt-realtime-1.5",
  "object": "model",
  "created": 1771804800,
  "owned_by": "openai",
  "name": "GPT-Realtime-1.5",
  "api": {
    "types": [
      "realtime"
    ]
  },
  "limits": {
    "context": 32000,
    "input": null,
    "output": 4096
  },
  "modalities": {
    "input": [
      "text",
      "audio",
      "image"
    ],
    "output": [
      "text",
      "audio"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": null,
  "features": [
    "tools",
    "caching"
  ],
  "info": {
    "status": "active",
    "release_date": "2026-02-23",
    "knowledge_cutoff": "2024-09-30",
    "description": "Best voice model for audio in, audio out.",
    "docs": "https://developers.openai.com/api/docs/models/gpt-realtime-1.5",
    "verified_at": "2026-10-11"
  }
}