Models
Text to Speech
The Text to Speech API converts text into natural speech, billed per input character. Supports multiple voices, streaming, and batch output, in MP3, WAV, PCM, μ-law, and A-law formats.
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At a glance
| Details | |
|---|---|
| Modalities | Text → Audio |
| Pricing | $15.00 / 1M chars |
| Region | us-east-1 |
Pricing
| Details | |
|---|---|
| Per 1M chars | $15.00 / 1M chars |
Rate Limits
| Details | |
|---|---|
| Requests per minute | 3,000 RPM |
| Requests per second | 50 RPS |
| Concurrent sessions | 100 per team |
Capabilities
- Multiple voices
- Streaming output
- Batch output
- MP3 / WAV / PCM / μ-law / A-law formats
Availability
| Details | |
|---|---|
| Cluster | us-east-1 |
Documentation
- Text to Speech Guide — Getting started with text to speech
- API Reference — Text to Speech endpoint reference
- Pricing — Full pricing overview
Last updated: May 27, 2026