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AI Voice Generator for Live Streaming

Level up your Twitch, YouTube, and Kick streams with AI-powered voice. Create custom TTS donation alerts, AI co-hosts that interact with chat, real-time chat-to-voice, and professional stream overlays with dynamic narration.

Twitch TTS YouTube Live Chat to Voice Live Alerts AI Co-Host
Editori i plotë TTS Dokumentimi i API

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0/500
Free with Kokoro, Piper, VITS, MeloTTS
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AI Voice Features for Streamers

Tools designed for live streaming workflows

Custom Donation Alerts

Natural AI voices replace robotic TTS for donation alerts. Assign different voices to different tiers for a premium viewer experience.

Chat-to-Voice

Read chat messages aloud on stream with AI voices. Different voices per viewer, subscriber-only premium voices, profanity filtering.

AI Co-Host

Build an AI personality that co-hosts your stream. Responds to chat, reacts to game events, and engages your audience with a custom voice.

Low Latency

Fast models generate audio in under 2 seconds. Kokoro and MeloTTS are optimized for real-time streaming applications.

Multilingual Alerts

Support international viewers with alerts in 30+ languages. Cross-lingual voice cloning maintains your brand voice in every language.

Rate Limiting & Filtering

Built-in rate limiting and content filtering for safe stream integration. Prevent spam and inappropriate content automatically.

Best AI Voice Models for Streaming

Fast, natural-sounding models perfect for live content

KokoroKokoro

Free

Lightweight 82M parameter model delivering studio-quality speech with blazing-fast inference.

Fast 5/5

Më e mira për: Best overall for streaming — fast, high quality, multiple voices

Provo. Kokoro

MeloTTSMeloTTS

Free

High-quality multilingual text-to-speech that runs on CPU with minimal latency.

Fast 4/5

Më e mira për: Free, multilingual, CPU-friendly for budget stream setups

Provo. MeloTTS

PiperPiper

Free

A fast, local neural text to speech system optimized for Raspberry Pi and embedded devices.

Fast 3/5

Më e mira për: Free, ultra-fast for high-volume chat TTS without delays

Provo. Piper

CosyVoice 2CosyVoice 2

Standard

Alibaba's scalable streaming TTS with human-parity naturalness and near-zero latency.

Medium 5/5 Klonimi i zërit

Më e mira për: Premium alerts with voice cloning and emotion control

Provo. CosyVoice 2

Sesame CSMSesame CSM

Premium

Conversational speech model generating natural dialogue with appropriate timing and emotion.

Slow 5/5

Më e mira për: Natural conversational speech for AI co-host applications

Provo. Sesame CSM

BarkBark

Standard

Transformer-based text-to-audio model that generates realistic speech, music, and sound effects.

Slow 4/5

Më e mira për: Fun sound effects, laughter, and emotional expression for entertainment

Provo. Bark

How to Set Up AI Voice for Your Stream

From signup to live in under 5 minutes

1

Create an API Key

Sign up and generate an API key from your account dashboard. Free tier includes 50 credits.

2

Connect Your Stream Bot

Integrate with your existing bot (tmi.js, Python) or use our code examples for quick setup.

3

Configure Voices & Triggers

Assign voices to donation tiers, chat commands, or specific viewers. Set rate limits and filters.

4

Go Live

AI voice runs in the background. Donation alerts and chat messages play through your stream audio automatically.

How Streamers Use AI Voice

Real-world streaming setups powered by TTS.ai

Custom Donation Alert Voices

Replace the robotic default TTS donation alerts with natural AI voices. Assign different voices to different donation tiers — a cheerful voice for small tips, an epic narrator for big donations, or let donors choose from 100+ voices. Integrate with StreamElements, Streamlabs, or build custom alerts via our API.

  • 100+ voices across 30+ languages
  • Custom voice per donation tier
  • Compatible with StreamElements and Streamlabs
  • Low-latency generation (under 2 seconds)

Chat-to-Voice System

Let your chat messages come alive with spoken voice. Viewers type in chat, and an AI voice reads their messages aloud on stream. Use different voices for different viewers, highlight subscriber messages with premium voices, or create character voices for specific chat commands.

  • Real-time chat-to-speech pipeline
  • Viewer-specific voice assignments
  • Profanity filtering and rate limiting
  • Sub-only mode with premium voices

AI Co-Host & Chat Bot

Create an AI personality that co-hosts your stream. Combine our TTS API with a language model to build a chat bot that listens to your stream, responds with witty comments, reacts to game events, and engages with your audience using a custom AI voice. Use Sesame CSM or Dia TTS for natural conversational speech.

  • Conversational AI with natural timing
  • Custom AI personality and voice
  • Game event reactions and commentary
  • Audience interaction and Q&A

Multilingual Stream Content

Reach international audiences by generating stream alerts and narration in 30+ languages. Use speech translation to auto-translate and voice your content for viewers worldwide. Cross-lingual voice cloning lets you maintain your voice identity while speaking any language.

  • 30+ language support
  • Voice-preserved translation
  • Localized alerts per viewer region
  • Multilingual AI co-host responses

Low Latency for Live Streaming

Speed matters when streaming live. Here is how our models compare.

Model Speed Quality Best For
Kokoro Fast 5/5 Best overall for streaming
MeloTTS Fast 4/5 Free, multilingual alerts
Piper Fast 3/5 Free, high-volume chat TTS
CosyVoice 2 Medium 5/5 Premium alerts with cloning
Bark Slow 4/5 Fun sound effects and emotion

Quick API Integration

Add AI TTS to your stream bot in minutes

JavaScript (Node.js Stream Bot) REST API 
// Twitch chat handler with AI TTS
const tmi = require('tmi.js');
const fetch = require('node-fetch');

client.on('message', async (channel, tags, message) => {
  if (tags['msg-id'] === 'highlighted-message') {
    const response = await fetch('https://api.tts.ai/v1/tts', {
      method: 'POST',
      headers: {
        'Authorization': 'Bearer YOUR_API_KEY',
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        text: message,
        model: 'kokoro',
        voice: 'af_heart',
        format: 'mp3'
      })
    });
    // Play audio through OBS/stream audio
    playAudioOnStream(await response.buffer());
  }
});

Pyetje të shpeshta

Common questions about AI voice for live streaming

Kokoro generates audio in under 1 second for typical donation messages. MeloTTS and Piper are even faster. Total latency from event to audio playback is typically 1-3 seconds depending on the model and message length.

Yes. You can set up your stream bot to let viewers select voices with chat commands (e.g., "!voice deep" or "!voice female"). Our API supports 100+ voices across all models, so viewers have plenty of options.

Our API works with any stream software that supports custom alerts or JavaScript overlays. You can integrate via a custom bot that calls our API and outputs audio to your stream audio source. Direct plugin integrations are also possible via browser source.

A 4-hour stream with moderate chat activity (100-200 TTS messages) uses roughly 50-100 credits. Free models (Piper, MeloTTS) use zero credits. The Starter plan ($9/month, 500 credits) covers most streamers comfortably.

Yes. Clone any voice from a 5-30 second audio sample and use it for all your stream TTS. Chatterbox and GPT-SoVITS offer the best cloning quality. This is great for creating a signature stream character voice.

You should implement content filtering in your stream bot before sending text to the API. Common approaches include word blocklists, regex filtering, and subscriber-only TTS mode. Our API rate limiting also helps prevent spam.

Yes. Configure your stream bot to check viewer roles (subscriber, VIP, moderator) and route requests to different models or voices accordingly. For example, free viewers get Piper while subscribers get Kokoro or Orpheus.

Your stream bot generates audio via the API and saves it as a temporary file or streams it to a virtual audio device. In OBS, capture that audio source. Alternatively, use a browser source with JavaScript that plays the audio directly in your scene.

Yes. Our API is platform-agnostic. Any streaming platform that allows custom bots or browser source overlays can integrate TTS. The same bot code works across Twitch, YouTube Live, Kick, and other platforms with minor event handling changes.

Yes. Combine our TTS API with an LLM (like ChatGPT or Claude) to create an AI co-host that responds to chat messages intelligently. Use Sesame CSM for natural conversational speech or clone a specific voice for your AI character.

We recommend implementing a fallback in your bot, such as a local TTS engine or a queue that retries failed requests. Our API has high uptime, but for mission-critical streams, having a backup ensures uninterrupted viewer experience.

Your bot should implement a queue system that processes TTS requests sequentially to avoid overlapping audio. Most stream bots handle this natively. Set a cooldown between messages (e.g., 3-5 seconds) to keep the stream manageable.
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