Step-1o Audio

{
  "id": "step-1o-audio",
  "object": "model",
  "created": null,
  "owned_by": "stepfun",
  "name": "Step-1o Audio",
  "api": {
    "types": [
      "audio"
    ]
  },
  "limits": {
    "context": null,
    "input": null,
    "output": null
  },
  "modalities": {
    "input": [
      "audio",
      "text"
    ],
    "output": [
      "audio",
      "text"
    ]
  },
  "reasoning": {
    "supported": null,
    "efforts": []
  },
  "pricing": {
    "currency": "USD",
    "unit": "1M_tokens",
    "input": 3.57,
    "output": 8.57,
    "cache_read": 0.71,
    "cache_write": null
  },
  "features": [
    "tools"
  ],
  "info": {
    "status": "active",
    "release_date": null,
    "knowledge_cutoff": null,
    "description": "First-generation end-to-end voice model for low-latency voice conversation, with preset voice styles and tool calling.",
    "docs": "https://platform.stepfun.com/docs/zh/guides/models/audio",
    "verified_at": "2026-10-11"
  }
}