AI Voice Platform
WhatIsTTS
Every voice model. One API. Zero setup.
Generate speech with 20+ TTS models, clone any voice, transcribe audio, and process with professional tools — all through a single API. Free tier included.
Why WhatIsTTS
- No vendor lock-in — switch models with one parameter change
- Zero infrastructure — we run everything, you call the API
- Standard tier — OpenAI, Google Cloud, Azure, Polly, and more
- One API key — access every model through a unified endpoint
- Premium + free models — from fast lightweight engines to studio-quality synthesis
Try It Now — Free, No Account Required
Type your text, pick a model, and hear the result instantly. Up to 500 characters, 3 generations per hour.
Want more? Create a free account for 50 credits, higher limits, and access to all 20 models.
20+ TTS Models, Three Tiers
From free lightweight engines to premium studio-quality synthesis. All available through one API.
Free No account required — 0 credits
ElevenLabs Flash v2.5
fastLow-latency ElevenLabs model optimized for real-time conversational AI applications.
ElevenLabs Turbo v2.5
fastFastest ElevenLabs model with ultra-low latency for time-critical voice applications.
OpenAI TTS
fastOpenAI's fast text-to-speech model with 13 natural voices and 57 language support.
Google Cloud Standard
fastGoogle's most affordable TTS with 380+ voices across 50+ languages and SSML support.
Google Cloud WaveNet
fastGoogle DeepMind WaveNet voices with natural intonation and expressive speech quality.
Google Cloud Neural2
fastGoogle's next-gen neural voices with improved naturalness and custom voice support.
Microsoft Azure Neural
fastMicrosoft's neural TTS with 500+ voices, 140+ languages, and emotion styles.
Amazon Polly Standard
fastAWS's affordable standard TTS with 60+ voices and seamless AWS integration.
Amazon Polly Neural
fastAWS neural TTS with natural-sounding voices for production applications.
PlayHT Play3.0-mini
fastFast, multilingual TTS with 36 language support and instant voice cloning.
Standard 2 credits per 1K characters
ElevenLabs Flash v2.5
fastLow-latency ElevenLabs model optimized for real-time conversational AI applications.
ElevenLabs Turbo v2.5
fastFastest ElevenLabs model with ultra-low latency for time-critical voice applications.
OpenAI TTS
fastOpenAI's fast text-to-speech model with 13 natural voices and 57 language support.
Google Cloud Standard
fastGoogle's most affordable TTS with 380+ voices across 50+ languages and SSML support.
Google Cloud WaveNet
fastGoogle DeepMind WaveNet voices with natural intonation and expressive speech quality.
Google Cloud Neural2
fastGoogle's next-gen neural voices with improved naturalness and custom voice support.
Microsoft Azure Neural
fastMicrosoft's neural TTS with 500+ voices, 140+ languages, and emotion styles.
Amazon Polly Standard
fastAWS's affordable standard TTS with 60+ voices and seamless AWS integration.
Amazon Polly Neural
fastAWS neural TTS with natural-sounding voices for production applications.
PlayHT Play3.0-mini
fastFast, multilingual TTS with 36 language support and instant voice cloning.
Premium 4 credits per 1K characters
ElevenLabs Multilingual v2
fastIndustry-leading multilingual TTS with the most natural and expressive AI voices available.
OpenAI TTS HD
mediumOpenAI's high-definition TTS model for premium audio quality and studio-grade output.
OpenAI GPT-4o Mini TTS
mediumOpenAI's instruction-following TTS — control tone, emotion, and speaking style via prompts.
Google Cloud Studio
mediumGoogle's highest-quality studio-grade voices for premium content and broadcasting.
Microsoft Azure Neural HD
mediumAzure's highest-quality neural voices with enhanced expressiveness and studio quality.
Amazon Polly Generative
mediumAWS's latest generative TTS with the most expressive and human-like voices.
Amazon Polly Long-Form
mediumAWS TTS engine optimized for long-form content like audiobooks and articles.
Deepgram Aura-2
fastUltra-low latency TTS with 90ms time-to-first-byte, built for conversational AI.
PlayHT PlayDialog
fastUltra-realistic conversational AI voices with natural turn-taking and emotion.
Cartesia Sonic
fastUltra-fast streaming TTS with 90ms latency and support for 42 languages.
Complete Audio Toolkit
Beyond text-to-speech — a full suite of AI-powered audio tools, all in one platform.
How It Works
Three steps from text to production-quality speech.
Choose a Model
Pick from 20+ TTS models — from free fast engines to premium studio-quality synthesis. Filter by speed, quality, language, or cloning support.
Generate Speech
Enter your text, select a voice, and generate. Preview in-browser or use the API. We route your request to the optimal provider — no infrastructure management on your end.
Download or Integrate
Download in MP3, WAV, OGG, or FLAC. Or integrate via our REST API with a single sk-tts- key. Swap models anytime without changing your code.
Ready to get started?
Create a free account for 50 credits and instant access to every model, voice, and tool. No credit card required.