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ElevenLabs provides highly realistic and expressive text-to-speech voices. Supports multiple languages and voice styles.
Vision Agents uses Stream Video for real-time WebRTC transport by default. External WebRTC transports are supported as well. Most AI providers offer free tiers to get started.
ElevenLabs also provides real-time speech-to-text via Scribe with built-in turn detection. You can use both in the same agent.

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Installation

uv add "vision-agents[elevenlabs]"

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Quick Start

from vision_agents.core import Agent, User
from vision_agents.plugins import elevenlabs, gemini, deepgram, getstream

agent = Agent(
    edge=getstream.Edge(),
    agent_user=User(name="Assistant", id="agent"),
    instructions="You are a helpful assistant.",
    llm=gemini.LLM("gemini-3-flash-preview"),
    stt=deepgram.STT(),
    tts=elevenlabs.TTS(),
)
Set ELEVENLABS_API_KEY in your environment or pass api_key directly.

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Parameters

tts = elevenlabs.TTS(
    voice_id="VR6AewLTigWG4xSOukaG",
    model_id="eleven_multilingual_v2",
)
NameTypeDefaultDescription
voice_idstr"VR6AewLTigWG4xSOukaG"ElevenLabs voice ID
model_idstr"eleven_multilingual_v2"TTS model
api_keystrNoneAPI key (defaults to ELEVENLABS_API_KEY env var)

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Next Steps

ElevenLabs STT

Real-time speech-to-text via Scribe

Build a Voice Agent

Get started with voice