TTS-1 HD pricing.

Prices checked

TTS-1 HD costs $30 per 1M characters from OpenAI; the cheapest price is $30 per 1M characters at OpenAI, checked .

OpenAI's own price

OpenAI

$30 per 1M characters

Every other price here is measured against it.

Cheapest price

OpenAI

$30 per 1M characters

same as OpenAI

The least you pay per 1M characters of the 3 providers selling it.

text to speech

Every provider selling TTS-1 HD

  1. 1

    OpenAI

    Maker's price
    $30per 1M characters
  2. 2

    Vercel AI Gateway

    Same as maker

    same as OpenAI

    $30per 1M characters
  3. 3

    10% more than OpenAI

    $33per 1M characters

Something else wrong?

How we count

Every price is what one job costs, so two providers' numbers stand beside each other. One million characters of text read aloud in a standard voice, no voice cloning. Prices are in US dollars.

Maker's price
What the lab that trained the model charges on its own API. Every other row is measured against it.
Same as maker
Sold by someone else at the price the maker charges.
Costs more
Sold by someone else for more than the maker charges.

Similar speech models

Speech models from other labs priced for the same job, cheapest first. Each percentage is against TTS-1 HD's cheapest, $30 per 1M characters.

Frequently asked

Who sells TTS-1 HD cheapest?
OpenAI, at $30 per 1M characters, checked 1 Nov 2026.
What does TTS-1 HD cost for a million characters?
OpenAI charges $30 per 1M characters, and every other row here is measured against it. Nobody on this page goes below it.
Is TTS-1 HD 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 HD prices?
They come from the public catalogs we read every 3 days; the readings on this page are from 1 Nov 2026.

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