API Pricing

The Fish Audio API uses pay-as-you-go pricing based on actual usage. There are no subscription fees or monthly minimums for API access.
For most recent pricing information, please visit our pricing page.

Text-to-Speech (TTS) Models

TTS pricing is based on the size of input text, measured in millions of UTF-8 bytes.
Model NamePrice (USD)
speech-1.5$15.00 / M UTF-8 bytes
speech-1.6$15.00 / M UTF-8 bytes
s1$15.00 / M UTF-8 bytes
1M UTF-8 bytes is approximately 180,000 English words, or about 12 hours of speech

Automatic Speech Recognition (ASR) Models

Model NamePrice (USD)
transcribe-1$0.36 / audio hour
How ASR billing works:
  • Charges are based on the duration of audio processed
  • Duration is rounded up to the nearest second

Rate Limits

These limits help us ensure fair usage and maintain service quality for all users.

Concurrent Request Limits

TierSpending ThresholdConcurrent Requests
Starter< $100 paid5 requests
Elevated≥ $100 paid15 requests
EnterpriseCustomCustom limits
Please reach out to our team to enable enterprise volume pricing, rate limits, and billing.

Support

Need help? Check out these resources: