Install the belt CLI skill: npx skills add belt-sh/cli
ElevenLabs Text-to-Speech
Premium text-to-speech with 22+ voices via inference.sh CLI.
Quick Start
Requires inference.sh CLI (belt). Install instructions
belt login
# Generate speech with ElevenLabs
belt app run elevenlabs/tts --input '{"text": "Hello, welcome to our product demo.", "voice": "aria"}'
Available Models
| Model |
ID |
Best For |
Latency |
| Multilingual v2 |
eleven_multilingual_v2 |
Highest quality, 32 languages |
~250ms |
| Turbo v2.5 |
eleven_turbo_v2_5 |
Balance of speed & quality |
~150ms |
| Flash v2.5 |
eleven_flash_v2_5 |
Ultra-low latency |
~75ms |
Voice Library
Female Voices
| Voice |
Style |
aria |
American, conversational |
alice |
British, confident |
bella |
American, warm |
jessica |
American, expressive |
laura |
American, professional |
lily |
British, soft |
sarah |
American, friendly |
Male Voices
| Voice |
Style |
george |
British, authoritative |
adam |
American, deep |
bill |
American, mature |
brian |
American, conversational |
callum |
Transatlantic, intense |
charlie |
Australian, natural |
chris |
American, casual |
daniel |
British, commanding |
eric |
American, friendly |
harry |
American, young |
liam |
American, articulate |
matilda |
American, warm |
river |
American, confident |
roger |
American, authoritative |
will |
American, bright |
Examples
Basic Speech
belt app run elevenlabs/tts --input '{"text": "Welcome to our quarterly earnings presentation.", "voice": "george"}'
Choose a Model
# Highest quality
belt app run elevenlabs/tts --input '{
"text": "This is our premium multilingual model with the best quality.",
"voice": "aria",
"model": "eleven_multilingual_v2"
}'
# Ultra-fast for real-time applications
belt app run elevenlabs/tts --input '{
"text": "Flash model for low-latency applications.",
"voice": "brian",
"model": "eleven_flash_v2_5"
}'
Voice Tuning
belt app run elevenlabs/tts --input '{
"text": "Fine-tune the voice characteristics for your use case.",
"voice": "bella",
"stability": 0.3,
"similarity_boost": 0.9,
"style": 0.4
}'
| Parameter |
Range |
Effect |
stability |
0-1 |
Higher = more consistent, lower = more expressive |
similarity_boost |
0-1 |
Higher = closer to original voice character |
style |
0-1 |
Higher = more style exaggeration |
use_speaker_boost |
true/false |
Enhances speaker clarity |
Output Formats
# High-quality MP3
belt app run elevenlabs/tts --input '{
"text": "High quality audio output.",
"voice": "daniel",
"output_format": "mp3_44100_192"
}'
| Format |
Description |
mp3_44100_128 |
MP3 at 44.1kHz, 128kbps (default) |
mp3_44100_192 |
MP3 at 44.1kHz, 192kbps |
pcm_16000 |
Raw PCM at 16kHz |
pcm_22050 |
Raw PCM at 22.05kHz |
pcm_24000 |
Raw PCM at 24kHz |
pcm_44100 |
Raw PCM at 44.1kHz |
Multilingual
ElevenLabs supports 32 languages including English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean, Arabic, Hindi, Russian, and more.
# Spanish
belt app run elevenlabs/tts --input '{
"text": "Hola, bienvenidos a nuestra presentación.",
"voice": "aria",
"model": "eleven_multilingual_v2"
}'
# French
belt app run elevenlabs/tts --input '{
"text": "Bonjour, bienvenue à notre démonstration.",
"voice": "alice",
"model": "eleven_multilingual_v2"
}'
Voice + Video Workflow
# 1. Generate voiceover
belt app run elevenlabs/tts --input '{
"text": "Introducing the future of AI-powered content creation.",
"voice": "george"
}' > voiceover.json
# 2. Create talking head video
belt app run bytedance/omnihuman-1-5 --input '{
"image": "https://portrait.jpg",
"audio": "<audio-url-from-step-1>"
}'
Use Cases
- Voiceovers: Product demos, explainer videos, commercials
- Audiobooks: Long-form narration with consistent voices
- Podcasts: AI hosts with natural delivery
- E-learning: Course narration in multiple languages
- Accessibility: High-quality screen reader content
- IVR: Professional phone system messages
- Video Narration: Documentary and social media content
Related Skills
# ElevenLabs multi-speaker dialogue
npx skills add inference-sh/skills@elevenlabs-dialogue
# ElevenLabs voice changer
npx skills add inference-sh/skills@elevenlabs-voice-changer
# ElevenLabs sound effects
npx skills add inference-sh/skills@elevenlabs-sound-effects
# All TTS models (Kokoro, DIA, Chatterbox, Inworld TTS, and more)
npx skills add inference-sh/skills@text-to-speech
# Full platform skill (all apps)
npx skills add inference-sh/skills@infsh-cli
Browse all audio apps: belt app list --category audio
1---2name: elevenlabs-tts-23description: ElevenLabs text-to-speech with 22+ premium voices, multilingual support, and voice tuning via inference.sh CLI. Models: eleven_multilingual_v2 (highest quality), eleven_turbo_v2_5 (low latency), eleven_flash_v2_5 (ultra-fast). Capabilities: text-to-speech, voice selection, stability/style control, 32 languages. Use for: voiceovers, audiobooks, video narration, podcasts, accessibility, IVR. Triggers: elevenlabs, eleven labs, elevenlabs tts, premium tts, professional voice, ai voice, high quality tts, multilingual tts, eleven labs voice, voice generation, natural speech, realistic voice, voice over, speech synthesis4---56> **Install the belt CLI skill:** `npx skills add belt-sh/cli`78# ElevenLabs Text-to-Speech910Premium text-to-speech with 22+ voices via [inference.sh](https://inference.sh) CLI.11121314## Quick Start1516> Requires inference.sh CLI (`belt`). [Install instructions](https://raw.githubusercontent.com/inference-sh/skills/refs/heads/main/cli-install.md)1718```bash19belt login2021# Generate speech with ElevenLabs22belt app run elevenlabs/tts --input '{"text": "Hello, welcome to our product demo.", "voice": "aria"}'23```242526## Available Models2728| Model | ID | Best For | Latency |29|-------|----|----------|---------|30| Multilingual v2 | `eleven_multilingual_v2` | Highest quality, 32 languages | ~250ms |31| Turbo v2.5 | `eleven_turbo_v2_5` | Balance of speed & quality | ~150ms |32| Flash v2.5 | `eleven_flash_v2_5` | Ultra-low latency | ~75ms |3334## Voice Library3536### Female Voices3738| Voice | Style |39|-------|-------|40| `aria` | American, conversational |41| `alice` | British, confident |42| `bella` | American, warm |43| `jessica` | American, expressive |44| `laura` | American, professional |45| `lily` | British, soft |46| `sarah` | American, friendly |4748### Male Voices4950| Voice | Style |51|-------|-------|52| `george` | British, authoritative |53| `adam` | American, deep |54| `bill` | American, mature |55| `brian` | American, conversational |56| `callum` | Transatlantic, intense |57| `charlie` | Australian, natural |58| `chris` | American, casual |59| `daniel` | British, commanding |60| `eric` | American, friendly |61| `harry` | American, young |62| `liam` | American, articulate |63| `matilda` | American, warm |64| `river` | American, confident |65| `roger` | American, authoritative |66| `will` | American, bright |6768## Examples6970### Basic Speech7172```bash73belt app run elevenlabs/tts --input '{"text": "Welcome to our quarterly earnings presentation.", "voice": "george"}'74```7576### Choose a Model7778```bash79# Highest quality80belt app run elevenlabs/tts --input '{81 "text": "This is our premium multilingual model with the best quality.",82 "voice": "aria",83 "model": "eleven_multilingual_v2"84}'8586# Ultra-fast for real-time applications87belt app run elevenlabs/tts --input '{88 "text": "Flash model for low-latency applications.",89 "voice": "brian",90 "model": "eleven_flash_v2_5"91}'92```9394### Voice Tuning9596```bash97belt app run elevenlabs/tts --input '{98 "text": "Fine-tune the voice characteristics for your use case.",99 "voice": "bella",100 "stability": 0.3,101 "similarity_boost": 0.9,102 "style": 0.4103}'104```105106| Parameter | Range | Effect |107|-----------|-------|--------|108| `stability` | 0-1 | Higher = more consistent, lower = more expressive |109| `similarity_boost` | 0-1 | Higher = closer to original voice character |110| `style` | 0-1 | Higher = more style exaggeration |111| `use_speaker_boost` | true/false | Enhances speaker clarity |112113### Output Formats114115```bash116# High-quality MP3117belt app run elevenlabs/tts --input '{118 "text": "High quality audio output.",119 "voice": "daniel",120 "output_format": "mp3_44100_192"121}'122```123124| Format | Description |125|--------|-------------|126| `mp3_44100_128` | MP3 at 44.1kHz, 128kbps (default) |127| `mp3_44100_192` | MP3 at 44.1kHz, 192kbps |128| `pcm_16000` | Raw PCM at 16kHz |129| `pcm_22050` | Raw PCM at 22.05kHz |130| `pcm_24000` | Raw PCM at 24kHz |131| `pcm_44100` | Raw PCM at 44.1kHz |132133### Multilingual134135ElevenLabs supports 32 languages including English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean, Arabic, Hindi, Russian, and more.136137```bash138# Spanish139belt app run elevenlabs/tts --input '{140 "text": "Hola, bienvenidos a nuestra presentación.",141 "voice": "aria",142 "model": "eleven_multilingual_v2"143}'144145# French146belt app run elevenlabs/tts --input '{147 "text": "Bonjour, bienvenue à notre démonstration.",148 "voice": "alice",149 "model": "eleven_multilingual_v2"150}'151```152153## Voice + Video Workflow154155```bash156# 1. Generate voiceover157belt app run elevenlabs/tts --input '{158 "text": "Introducing the future of AI-powered content creation.",159 "voice": "george"160}' > voiceover.json161162# 2. Create talking head video163belt app run bytedance/omnihuman-1-5 --input '{164 "image": "https://portrait.jpg",165 "audio": "<audio-url-from-step-1>"166}'167```168169## Use Cases170171- **Voiceovers**: Product demos, explainer videos, commercials172- **Audiobooks**: Long-form narration with consistent voices173- **Podcasts**: AI hosts with natural delivery174- **E-learning**: Course narration in multiple languages175- **Accessibility**: High-quality screen reader content176- **IVR**: Professional phone system messages177- **Video Narration**: Documentary and social media content178179## Related Skills180181```bash182# ElevenLabs multi-speaker dialogue183npx skills add inference-sh/skills@elevenlabs-dialogue184185# ElevenLabs voice changer186npx skills add inference-sh/skills@elevenlabs-voice-changer187188# ElevenLabs sound effects189npx skills add inference-sh/skills@elevenlabs-sound-effects190191# All TTS models (Kokoro, DIA, Chatterbox, Inworld TTS, and more)192npx skills add inference-sh/skills@text-to-speech193194# Full platform skill (all apps)195npx skills add inference-sh/skills@infsh-cli196```197198Browse all audio apps: `belt app list --category audio`
inference.sh