Inference Logoinference shell

ElevenLabs Voice Remix

ElevenLabs Voice Remix - Modify voice characteristics like accent, gender, style, pacing

voice design
run in browser →run via API
run with your agent
# install belt
$curl -fsSL https://cli.inference.sh | sh
# sign in (or set INFERENCE_API_KEY on a headless machine)
$belt login
# view schema & details
$belt app get elevenlabs/voice-remix
# run
$belt app run elevenlabs/voice-remix --input '{"voice_id":"voice_id","description":"description"}'
maker
elevenlabs
category
audio
price
$0.10/remix
runs via
api, javascript and python sdk, belt cli, mcp
updated
2026-08-04

api reference

about

elevenlabs voice remix - modify voice characteristics like accent, gender, style, pacing

1. calling the api

install the client

the client provides a convenient way to interact with the api.

bash
1pip install inferencesh

setup your api key

set INFERENCE_API_KEY as an environment variable. get your key from settings → api keys.

bash
1export INFERENCE_API_KEY="inf_your_key"

run and get result

submit a request and wait for the final result. best for batch processing or when you don't need progress updates.

python
1import os2from inferencesh import inference34client = inference(api_key=os.environ["INFERENCE_API_KEY"])567result = client.run({8        "app": "elevenlabs/voice-remix",9        "input": {10            "voice_id": "voice_id",11            "description": "description"12        }13    })1415print(result["output"])

stream live updates

get real-time progress updates as the task runs. ideal for showing progress bars, partial results, or long-running tasks.

python
1import os2from inferencesh import inference34client = inference(api_key=os.environ["INFERENCE_API_KEY"])567# stream=True yields updates as they arrive8for update in client.run({9        "app": "elevenlabs/voice-remix",10        "input": {11            "voice_id": "voice_id",12            "description": "description"13        }14    }, stream=True):15    if update.get("progress"):16        print(f"progress: {update['progress']}%")17    if update.get("output"):18        print(f"output: {update['output']}")

2. authentication

the api uses api keys for authentication. see the authentication docs for detailed setup instructions.

3. files

file inputs are automatically handled by the sdk. you can pass local paths, urls, or base64 data.

automatic upload

the python sdk automatically detects local file paths and uploads them. urls are passed through as-is.

python
1# local file paths are automatically uploaded2result = client.run({3    "app": "elevenlabs/voice-remix",4    "input": {5        "image": "/path/to/local/image.png",  # detected & uploaded6        "audio": "https://example.com/audio.mp3",  # url passed through7    }8})

manual upload

you can also upload files manually and use the returned url.

python
1# upload and get a hosted URL2file = client.files.upload("/path/to/file.png")3print(file.uri)  # https://cloud.inference.sh/...

4. webhooks

get notified when a task completes by providing a webhook url. when the task reaches a terminal state (completed, failed, or cancelled), a POST request is sent to your url with the task result.

python
1result = client.run({2    "app": "elevenlabs/voice-remix",3    "input": {4        "voice_id": "voice_id",5        "description": "description"6    },7    "webhook": "https://your-server.com/webhook"8}, wait=False)

webhook payload

your endpoint receives a JSON POST with the task result:

json
1{2  "event": "task.completed",3  "timestamp": "2024-01-15T10:30:05Z",4  "data": {5    "id": "task_abc123",6    "short_id": "abc123",7    "status": 10,8    "status_text": "completed",9    "output": { ... },10    "created_at": "2024-01-15T10:30:00Z",11    "updated_at": "2024-01-15T10:30:05Z"12  }13}
eventstringtask.completed, task.failed or task.cancelled
timestampstringiso timestamp of the delivery
data.idstringtask id
data.short_idstringshort task id
data.statusnumberterminal status (10=completed, 11=failed, 12=cancelled, 13=rejected)
data.status_textstringthe status as a word: completed, failed or cancelled
data.outputobjecttask output (when completed)
data.errorstringerror message (when failed, omitted otherwise)
data.session_idstringsession id (when the task ran in a session, omitted otherwise)
data.created_atstringiso timestamp
data.updated_atstringiso timestamp

5. schema

input

voice_idstring*

voice id to remix (from voice-clone, voice-design, or a premade voice id).

descriptionstring*

describe how to modify the voice (e.g. 'make it sound younger with an american accent and faster pacing').

preview_textstring

text to speak in the previews. if not provided, text is auto-generated.

maxLength:500
prompt_strengthnumber

how much to apply the remix description (0-1). lower preserves more of the original voice.

min:0max:1
seedinteger

random seed for reproducible results.

output

previewsarray*

remixed voice previews — pick a voice_id to use with tts, voice changer, or dialogue apps

other audio apps

Fish Audio Drama 3

fish-audio/drama-3

$50.00/1M UTF-8 bytes

Eleven Flash v2.5

elevenlabs/eleven-flash-v2-5

$0.04/1K characters

Eleven Multilingual v2

elevenlabs/eleven-multilingual-v2

$0.08/1K characters

Eleven v3

elevenlabs/eleven-v3

$0.08/1K characters

Eleven v4 Turbo

elevenlabs/eleven-v4-turbo

$0.04/1K characters

more from elevenlabs

Eleven Flash v2.5

elevenlabs/eleven-flash-v2-5

$0.04/1K characters

Eleven Multilingual v2

elevenlabs/eleven-multilingual-v2

$0.08/1K characters

Eleven v3

elevenlabs/eleven-v3

$0.08/1K characters

Eleven v4 Turbo

elevenlabs/eleven-v4-turbo

$0.04/1K characters

new models

  1. H3 Max Styles

    falai/minimax-h3-max-styles

    video$0.08/sec (768P)

  2. H3 Max Insert Video

    falai/minimax-h3-max-insert-video

    video$0.05/sec 480p, $0.06/sec 768p

  3. H3 Max 3D to Video

    falai/minimax-h3-max-3d-to-video

    video$0.50/request + $0.05/sec (480P), $0.08/sec (768P), $0.16/sec (1080P) + $0.10/generated ref; 5s min

  4. H3 Max Recast

    falai/minimax-h3-max-recast

    video$0.30/sec at 768P, $0.45/sec at 1080P

  5. H3 Max Relight

    falai/minimax-h3-max-relight

    video$0.05/s 480P, $0.08/s 768P, $0.16/s 1080P, $0.32/s 2K; up to 15s/video

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