{
  "key": "stepaudio-2-5-asr",
  "name": "StepAudio 2.5 ASR",
  "description": "Speech transcription model for accurate audio-to-text and captioning workflows",
  "lab": "stepfun",
  "family": "step",
  "release_date": "2026-04-24",
  "knowledge": null,
  "open_weights": false,
  "has_free_offering": false,
  "published": true,
  "modalities": {
    "input": [
      "audio"
    ],
    "output": [
      "text"
    ]
  },
  "capabilities": {
    "reasoning": false,
    "tool_call": false,
    "structured_output": null,
    "attachment": false,
    "reasoning_options": null
  },
  "limit": {
    "context": 0,
    "output": 0
  },
  "offerings": [
    {
      "provider": "stepfun",
      "provider_model_id": "stepaudio-2.5-asr",
      "name": "StepAudio 2.5 ASR",
      "variants": [],
      "free": false,
      "priced": false,
      "cost": null,
      "limit": {
        "context": 0,
        "output": 0,
        "input": null
      },
      "status": null,
      "last_updated": "2026-07-02"
    },
    {
      "provider": "stepfun-ai",
      "provider_model_id": "stepaudio-2.5-asr",
      "name": "StepAudio 2.5 ASR",
      "variants": [],
      "free": false,
      "priced": false,
      "cost": null,
      "limit": {
        "context": 0,
        "output": 0,
        "input": null
      },
      "status": null,
      "last_updated": "2026-07-02"
    }
  ]
}