tts

Text-to-Speech

Streaming TTS

Streaming TTS is a text-to-speech capability available through ElevenLabs, Deepgram, Cartesia on Aweb. Real-time streaming text-to-speech. Access it through a single unified API with automatic failover and intelligent routing.

Try Streaming TTSAPI docs

Best for

Highest quality

ElevenLabs, Deepgram

Premium tier

Contract

Max Latency500ms
Streaming RequiredYes
Required Formatpcm_16000

Providers (3)

ProviderScoreQualityPricing
ElevenLabsDEFAULT
98premiumpremium
Deepgram
80premiumstandard
Cartesia
90premiumstandard

Quick start

Call Streaming TTS through Alfred — automatic provider selection, failover, and load balancing included.

cURL

curl -X POST https://api.alfred-ai.app/v1/execute \
  -H "Authorization: Bearer $ALFRED_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "capability": "tts.stream",
    "input": { "prompt": "Hello world" }
  }'

TypeScript

import { Alfred } from '@alfred/core';

const alfred = new Alfred({ apiKey: process.env.ALFRED_API_KEY });

// Alfred automatically selects the best provider
const result = await alfred.execute({
  capability: 'tts.stream',
  input: { prompt: 'Hello world' },
});

console.log(result.output);

Orchestration pipeline

import { Alfred } from '@alfred/core';

const alfred = new Alfred({ apiKey: process.env.ALFRED_API_KEY });

// Multi-step pipeline with automatic failover
const result = await alfred.orchestrate({
  steps: [
    { id: 'step1', capability: 'tts.stream', input: { prompt: 'Hello world' } },
    { id: 'step2', capability: 'llm.chat', dependsOn: ['step1'],
      input: { prompt: 'Summarize: $step1.output' } },
  ],
});

Related Text-to-Speech capabilities

Speech Synthesis

tts

Voice Cloning

tts

Getting started →API reference →All providers →All capabilities →