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What Is OpenAI TTS?
OpenAI's fast text-to-speech model with 13 natural voices and 57 language support.
OpenAI TTS (tts-1) provides high-quality text-to-speech through a simple, reliable API. Optimized for real-time applications with low latency, it offers 13 built-in voices (Alloy, Ash, Ballad, Coral, Echo, Fable, Marin, Nova, Onyx, Sage, Shimmer, Verse, Cedar) that sound natural across 57 languages. A strong choice for production workloads needing consistent, reliable output.
Official: OpenAI website
ProviderOpenAI
TierStandard
SpeedFast
Quality
Supported Languages (26)
en
es
fr
de
it
pt
pl
hi
zh
ja
ko
nl
ru
sv
tr
ar
cs
da
fi
el
hu
id
no
ro
th
vi
Strengths
- 13 voices
- 57 languages
- Real-time streaming
- Low latency
- Simple API
Limitations
- Does not support voice cloning
- Commercial API — higher per-character cost
How to Use OpenAI TTS via WhatIsTTS
1. Create a free account and get your credits.
2. Go to Text to Speech and select OpenAI TTS.
3. Enter text, choose a voice, and click Generate. We route to OpenAI.
No API key management needed. We handle authentication, routing, and billing through our unified platform.
Frequently Asked Questions
OpenAI TTS (tts-1) provides high-quality text-to-speech through a simple, reliable API. Optimized for real-time applications with low latency, it offers 13 built-in voices (Alloy, Ash, Ballad, Coral, Echo, Fable, Marin, Nova, Onyx, Sage, Shimmer, Verse, Cedar) that sound natural across 57 languages. A strong choice for production workloads needing consistent, reliable output.
Production applications needing reliable, high-quality TTS with low latency
No, OpenAI TTS does not currently support voice cloning. For voice cloning, try ElevenLabs Multilingual v2, PlayHT, or Cartesia Sonic through our platform.
OpenAI TTS supports 26 languages including English. Language availability may vary by voice. Check the voice catalog on our platform for the full list of supported languages and voices.
Visit our Text to Speech page, select OpenAI TTS from the model dropdown, choose a voice, enter your text, and click Generate. You can also use our REST API: POST to /api/v1/tts/ with model="openai-tts-1" and your text. No provider API key needed — we handle routing and billing.
OpenAI TTS is a standard-tier model costing 2 credits per 1,000 characters on WhatIsTTS. Credits are included with all plans. You can try it with a free trial (up to 300 characters) before purchasing a plan.
OpenAI TTS is one of 20+ TTS models available on WhatIsTTS. Compare it with providers like ElevenLabs, OpenAI, Google Cloud, Azure, Amazon Polly, PlayHT, Deepgram, and Cartesia — all accessible through one platform with unified billing. Use our side-by-side comparison to find the best fit.
Yes. OpenAI TTS is a commercial API from OpenAI that permits commercial use of generated audio. This includes podcasts, videos, apps, IVR systems, and more. Review OpenAI's terms of service for specific requirements.
Through WhatIsTTS, OpenAI TTS output is available in MP3 (default), WAV, OGG, and FLAC formats. MP3 is ideal for web playback, WAV for further audio processing. Select your preferred format before generating.
OpenAI TTS has fast generation speed. Optimized for real-time applications like voice chat and interactive experiences.
Yes. WhatIsTTS provides a unified REST API for all providers including OpenAI TTS. Generate an API key in your account, then POST to /api/v1/tts/ with model="openai-tts-1". We provide code examples in Python, JavaScript, cURL, and Go. No need to manage a separate OpenAI API key.
OpenAI TTS by OpenAI offers: 13 voices, 57 languages, Real-time streaming, Low latency. Available as a standard-tier model on WhatIsTTS with 26 language support.
No. WhatIsTTS handles the OpenAI integration for you. You only need a WhatIsTTS account and credits. We route your requests to OpenAI's API and handle authentication, billing, and error handling.
Yes, OpenAI TTS supports streaming output for low-latency applications. Audio chunks are delivered as they are generated, enabling real-time playback.