ElevenLabs

Give your Bolna voice agents lifelike speech with ElevenLabs. Clone a custom voice or pick from a large library of expressive, natural sounding options.

How ElevenLabs fits in the stack

Best for
Natural delivery, tone, and response speed on live calls.

Use this layer when
You care about voice quality, expressiveness, or low-latency playback.

Connects to
LLM output upstream and the phone network downstream.

Text-to-speech is the speaking layer

This provider turns the agent’s response into audio the caller hears. It affects brand perception, caller comfort, and how quickly the next utterance can begin.

Voice Stack

Telephony → STT → LLM → TTS → Tools

This page focuses on where ElevenLabs fits in a production voice stack. For full setup steps, credentials, and API details, use the documentation link above.

Overview

ElevenLabs is the leading provider of ultra-realistic, AI-generated voices. With ElevenLabs' text-to-speech (TTS) integration, your Bolna voice agents can speak with natural, emotive voices that are nearly indistinguishable from human speech.

Whether you need a professional business tone, a friendly customer service tone, or a custom voice clone that matches your brand, ElevenLabs delivers the highest quality voice synthesis available today.

Features & Use Cases

Fast & High-Quality (Multilingual Turbo v2)
A super-fast model built for real-time chats. It keeps delays low while sounding amazing in over 30 languages.

Huge Voice Library
Choose from thousands of ready-to-use voices of all ages, accents, and styles to perfectly match your brand's vibe.

Clone Your Own Voice
Create a perfect copy of any voice using just a few minutes of audio. Great for keeping your brand voice consistent.

Real Human Emotions
These voices don't sound like robots. They can naturally express real feelings - from excitement and empathy to serious professionalism.

Design a Brand New Voice
Just describe what you want (like "young, British, energetic"), and the AI will create a completely unique voice for you.

Smooth Real-Time Conversations
Audio streams instantly, so your voice agents can have natural, flowing conversations without any awkward, robotic pauses.

Total Control
Easily tweak exactly how words are said - adjusting the speed, adding emphasis, or inserting perfect pauses.

Other providers in this layer

• Synthesizer Cartesia
  Add Cartesia text-to-speech to Bolna voice agents for ultra-fast, natural sounding voice output.

• Synthesizer Rime
  Use Rime neural speech synthesis with Bolna voice agents for expressive, natural sounding voices.

• Synthesizer Sarvam AI (TTS)
  Full Indian language AI stack for Bolna voice agents.

See where ElevenLabs fits in your production workflow

Use the demo to walk through provider selection, stack tradeoffs, and the exact workflow you want Bolna to automate.