Eleven Flash v2.5

ElevenLabs

Generate speech audio from text with a selected voice and output format.

Capability: Text to speech
Current price: $0.0700/1k chars
Availability: Ready to run
Last accepted verification: Not available

What this API does

Convert text to MP3 speech with the price-verified Eleven Flash v2.5 model. Choose a voice, but not an unpriced model.

Agents select this operation with tool ID elevenlabs.eleven-flash-v2-5, then inspect its current executable contract before a run.

Public input and output shape

Input

textstring · required

Value supplied for text.

minLength: 1

voice_idstring · optional

Value supplied for voice id.

minLength: 1

Output

charactersnumber

Returned characters value.

content_typestring

Returned content type value.

notestring

Returned note value.

Example request and output

This reviewed worked example is shared with inspect. Inspect also returns the current executable schema and price estimate before a paid run.

Request

{
  "tool_id": "elevenlabs.eleven-flash-v2-5",
  "input": {
    "text": "One scroll, one approval, your agent's connected."
  }
}

Output

{
  "note": "audio returned as an artifact",
  "characters": 49,
  "content_type": "audio/mpeg"
}

Teaching errors and limitations

No listing-specific teaching errors are published. Inspect the tool before running to receive the current schema and error guidance.

Updated: 18 August 2026

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