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Speech Generation - Natural AI text-to-speech with voice cloning and multilingual support
Available on WaveSpeed

Speech Generation — Natural AI Text-to-Speech API

Turn written text into lifelike spoken audio. Power the next generation of voice applications with emotional storytelling, rapid TTS responses, multilingual narration, and voice cloning.

Voice Generation Capabilities

Different content requires different delivery styles. Select the perfect voice model for your specific use case.

Natural Multilingual Speech

A single model speaks English, Spanish, German, Japanese, and 25+ other languages fluently, often switching between them mid-sentence. No per-language models needed.

Natural Multilingual Speech - A single model speaks English, Spanish, German, Japanese, and 25+ other language

Voice Cloning & Customization

Clone any voice with just 1 minute of clear audio. Capture accent, tone, and vocal characteristics with high fidelity. Consent verification required for ethical use.

Voice Cloning & Customization - Clone any voice with just 1 minute of clear audio. Capture accent, tone, and voc

Emotion & Style Control

Direct the AI to speak in happy, sad, angry, or professional tones using style prompts. Match the audio mood to your script for audiobooks, ads, and interactive content.

Emotion & Style Control - Direct the AI to speak in happy, sad, angry, or professional tones using style p

Speech Generation on WaveSpeed vs. Traditional TTS

See why teams choose WaveSpeed speech generation over traditional TTS.

Voice quality
Robotic, monotone output
Natural, human-like speech with emotion
Language support
One model per language
25+ languages in a single model
Voice cloning
Requires hours of training data
1 minute of audio for accurate cloning
Infrastructure
Self-hosted GPU management
Fully managed, auto-scaling
API access
No standard API available
REST API + Python/JS SDKs
Cost
Per-character subscription tiers
Affordable per-character, no minimum

Performance at a Glance

Speech generation on WaveSpeed delivers natural, low-latency audio at scale.

25+Languages supported
<1sFirst-byte latency
99.99%Uptime SLA
$0No upfront costs

Integrate in Minutes

Production-ready SDKs for Python and JavaScript. REST API with full OpenAPI spec. Webhook support for async jobs.

  • 25+ languages in a single model
  • Voice cloning with 1 minute of audio
  • Python & JavaScript SDKs + REST API
import wavespeed
output = wavespeed.run(
"wavespeed-ai/speech-generation",
{
"text": "Welcome to WaveSpeed, the fastest AI platform.",
"voice": "alloy",
"format": "mp3",
}
)
print(output["outputs"][0])

Get Any Tool You Want

1000+ models across image, video, audio, and 3D — all through one API.

FAQ

Modern models are "Multilingual." A single model can speak English, Spanish, German, Japanese, and 25+ other languages fluently, often switching between them in the same sentence if needed.

Yes. Audio generated using WaveSpeed's standard voices is royalty-free and can be used for commercial projects, including YouTube videos, podcasts, and advertising.

Extremely accurate. With just 1 minute of clear audio, the AI can capture the speaker's accent and vocal characteristics. However, we require explicit consent verification to prevent unauthorized cloning.

Pricing is based on the number of characters processed. Our standard tier is highly affordable for bulk generation, while premium models (like high-fidelity cloning) command a slightly higher rate due to compute intensity.

Yes. You can use "Style Prompts" or specific tags to direct the AI to speak in a "happy," "sad," "angry," or "professional" tone, ensuring the audio matches the mood of your script.

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