TTS Flash

Vendor: ElevenLabs

Audio

Natural text-to-speech with 30+ languages

Typical latency: 2-5s
Reference inputs: None
toolId: elevenlabs-tts

Input modes

text-to-speech

Parameters

Parameter	Type	Default	Values	Notes
model_id	select	eleven_flash_v2_5	eleven_flash_v2_5 \| eleven_v4 \| eleven_v4_turbo	Voice model. Eleven v4 supports up to 2000 characters per request.
voice_id	select	pNInz6obpgDQGcFmaJgB	pNInz6obpgDQGcFmaJgB \| JBFqnCBsd6RMkjVDRZzb \| Xb7hH8MSUJpSbSDYk0k2 \| XrExE9yKIg1WjnnlVkGX \| nPczCjzI2devNBz1zQrb \| pFZP5JQG7iQjIQuC4Bku \| CwhRBWXzGAHq8TQ4Fs17 \| cgSgspJ2msm6clMCkdW9 \| TX3LPaxmHKxFdv7VOQHJ \| FGY2WhTYpPnrIDTdsKH5 \| onwK4e9ZLuTAKqWW03F9 \| SAz9YHcvj6GT2YYXdXww \| IKne3meq5aSn9XLyUdCD \| N2lVS1w4EtoT3dr4eOWO \| SOYHLrjzK2X1ezoPC6cr \| pqHfZKP75CvOlQylNhV4 \| EXAVITQu4vr4xnSDxMaL \| 9lHjugDhwqoxA5MhX0az \| OjkyUe8dIihIFvOisuvM \| GRrjXNxBiQvkZ37pgMw0	Which preset voice reads the text; each option is a distinct voice.
stability	slider	0.5	0–1	Lower = more expressive; higher = more consistent
similarity_boost	slider	0.75	0–1	How closely to match the original voice
output_format	select	mp3_44100_192	mp3_22050_32 \| mp3_44100_128 \| mp3_44100_192	Audio bitrate; higher bitrate sounds cleaner and makes larger files.

Pricing

Pricing will be published shortly — contact us for early access rates

Prices last updated: —

API example

POST /v1/generations — elevenlabs-tts

curl -X POST https://api.mukelabs.com/v1/generations \
  -H "Authorization: Bearer $MUKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "toolId": "elevenlabs-tts",
    "inputMode": "text-to-speech",
    "prompt": "your prompt here",
    "params": { "model_id": "eleven_flash_v2_5" },
    "references": [],
    "idempotencyKey": "a-unique-key-per-task",
    "subjectId": "your-user-id"
  }'

FAQ

How do I call TTS Flash on Muke Labs?

Submit POST /v1/generations with toolId "elevenlabs-tts" and one of its input modes (text-to-speech), then poll GET /v1/generations/{jobId} for the result.

What does TTS Flash cost?

Public pricing for this model is being finalized — contact us for early access rates. All tasks are billed from your prepaid USD balance and failed tasks refund automatically.

What happens if a task fails?

The job returns status "failed" with a typed error code, and its charge is returned to your balance automatically.

Where do I get an API key?

Create one in the developer portal (https://portal.muke.name), then send it as a Bearer token on every request.