OpenClaw

Add voice capabilities to your OpenClaw agent. Generate speech with sub-100ms latency and transcribe audio with the Smallest AI skill.

Installation

$
# Via ClawHub (recommended)
$
clawhub install smallest-ai
$
$
# Or manually
$
git clone https://github.com/smallest-inc/smallest-ai-openclaw.git
$
cp -r smallest-ai-openclaw ~/.openclaw/skills/smallest-ai

Setup

Set your API key:

$
export SMALLEST_API_KEY="your_key_here"

Get a free key at waves.smallest.ai.

Restart the gateway:

$
openclaw gateway stop && openclaw gateway start

Usage

The skill triggers automatically when you ask your agent to generate speech or transcribe audio. Just talk naturally:

Text-to-Speech:

• “Say good morning in a male voice”
• “Read this aloud: The meeting is at 3pm”
• “Generate a voice note saying hello in Hindi”

Speech-to-Text:

• “Transcribe this audio file”
• “What did they say in this recording?”

Multilingual:

• “Say ‘namaste, kaise hain aap’ in advika’s voice”
• “Say ‘hola buenos dias’ using camilla”

Voices

The skill auto-selects voices based on your request:

80+ more voices available. The agent picks the right voice based on language and gender preference.

Features

• Sub-100ms text-to-speech via Lightning v3.1
• 64ms speech-to-text via Pulse
• Supports WAV, MP3, OGG, FLAC, M4A, and WebM audio formats (STT)
• 30+ languages with automatic language detection
• Speaker diarization and emotion detection (STT)
• Hindi-English code-switching
• Voice cloning — clone any voice with just 5 seconds of audio (Basic plan+)

Links