OpenAI

OpenAI TTS-1 HD text-to-speech

$3e-05 per character (published as $0.03 per 1k). Higher-fidelity TTS list rate of $30 per 1M characters ($0.03 per 1,000 characters).

Usage calculator

List prices are stored in US dollars. Conversions use the units-per-dollar exchange-rate snapshot last checked 2026-07-31

Published unit price
$0.00003
Estimated cost
$0.03

Project monthly volume

Estimated daily cost
Estimated monthly cost

Cost by usage volume

The table includes intermediate steps such as 25, 50, and 250 units, so you can inspect growth between large round-number bands.

Usage volume Estimated cost
1 $0.00003
10 $0.0003
25 $0.00075
50 $0.0015
100 $0.003
250 $0.0075
500 $0.015
1,000 $0.03
2,500 $0.075
5,000 $0.15
10,000 $0.3
25,000 $0.75
50,000 $1.50
100,000 $3.00
250,000 $7.50
500,000 $15.00
1,000,000 $30.00
5,000,000 $150.00
10,000,000 $300.00

Cost profile

  • The published rate is $0.00003 per character.
  • One thousand units cost $0.03; 100,000 units cost $3.00 before allowances, tiers, or other billing components.
  • A $100 budget covers about 3,333,333 units at this linear rate.

About OpenAI

OpenAI API models for chat, reasoning, coding, and multimodal work. The OpenAI TTS-1 HD text-to-speech page covers this meter in detail; the OpenAI hub gathers the rest of the lineup with a pricing table, list-rate ranges, and calculators side by side.

See OpenAI services, APIs, and the pricing table

This calculator applies the published unit rate linearly. Included quotas, tiered prices, minimum commitments, regional charges, and other billing components may change the actual total.

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