TTS-1 pricing.
prices as of · 3 providers · 3 prices · prices are per 1M charactersOne million characters of text read aloud in a standard voice, no voice cloning. Prices are in US dollars.
OpenAI trained TTS-1, and 3 providers sell it. Every price below is what one job costs, so two providers' numbers can stand beside each other.
TTS-1 costs $15 per 1M characters from OpenAI; the cheapest price anyone charges for it is $15 per 1M characters at Azure AI Foundry, read 17 Sept 2026.
OpenAI list price
$15per 1M characters
The price every row below is measured against.
read
Cheapest price we can compare
$15per 1M characters
0% under list
Azure AI Foundryread
Every provider selling TTS-1
Cheapest first inside each block. The share beside a price is that row against OpenAI's.
The maker's list price
1 priceWhat the lab that trained the model charges on its own API.
OpenAIThe price OpenAI charges for the model it trained. Every row below is measured against it.
$15per 1M characters
1.00×of list price
The rest of the prices
2 pricesEither the same price the lab charges, or a model whose lab publishes no price at all, which is most of this market.
$15per 1M characters
1.00×of list price
$15per 1M characters
1.00×of list price
Frequently asked
- Who sells TTS-1 cheapest?
- Azure AI Foundry, at $15 per 1M characters, read on 17 Sept 2026. The same price OpenAI charges.
- What does TTS-1 cost for a million characters?
- OpenAI charges $15 per 1M characters, and that is the price every other row here is measured against. Nobody on this page goes below it.
- Is TTS-1 open weights?
- No. OpenAI keeps the weights, so every price here is OpenAI's own or a resale of it.
- How current are these TTS-1 prices?
- They come from the public catalogs we read every day, last refreshed 17 Sept 2026, and each row carries the day it was read.