OpenAI
OpenAI TTS (tts-1)
Simple, inexpensive TTS. tts-1 is $15 per 1M characters (tts-1-hd $30).
USD per 1M characters
$15.00
#1 cheapest of 6 in Text-to-speech & voice cloning
Official pricing ↗Capabilities, explained
What this API can do, and what each capability means for your project.
Voice cloning
No
Create a custom voice from a recording.
Streaming
Yes
Audio starts playing before the full text is processed: essential for live agents.
Languages
50
Number of supported languages.
Typical latency
250 ms
How long until the first useful output arrives. Lower is better for interactive apps; batch jobs rarely care.
Commercial use allowed
Yes
Whether outputs may be used in a commercial product under the provider's terms. Always re-check the license for your case.
Price history
Only one price recorded so far. The chart appears once the price changes.