tts

Text-to-Speech

Speech Synthesis

Speech Synthesis is a text-to-speech capability available through ElevenLabs, Deepgram, Runway ML and 4 more on Aweb. Text-to-speech full audio generation. Access it through a single unified API with automatic failover and intelligent routing.

Try Speech SynthesisAPI docs

Best for

Highest quality

ElevenLabs, Deepgram

Premium tier

Most affordable

Groq, Fish Audio

Economy tier

Contract

Max Latency5000ms
Min Qualitynatural

Providers (7)

ProviderScoreQualityPricing
ElevenLabsDEFAULT
95premiumpremium
Deepgram
80premiumstandard
Runway ML
72premiumpremium
Resemble AI
82premiumpremium
Groq
85premiumeconomy
Fish Audio
82premiumeconomy
Cartesia
88premiumstandard

Quick start

Call Speech Synthesis 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.synthesize",
    "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.synthesize',
  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.synthesize', input: { prompt: 'Hello world' } },
    { id: 'step2', capability: 'llm.chat', dependsOn: ['step1'],
      input: { prompt: 'Summarize: $step1.output' } },
  ],
});

Related Text-to-Speech capabilities

Streaming TTS

tts

Voice Cloning

tts

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