xAI Launches Grok Text-to-Speech API in Beta
Grok TTS API
- Status
- Beta
- Voices
- Eve, Ara, Leo, Rex, Sal
- Pricing
- $4.20 / 1M characters
- Rate Limits
- 600 rpm / 10 rps
- Announcement Date
- 2026-03-16
- Access
- https://x.ai/api/voice
xAI announced on March 16, 2026, that Grok's Text to Speech API is now available in beta. The API provides natural speech synthesis in five voices—Eve, Ara, Leo, Rex, Sal—with expressive controls for prosody and emotions, priced at $4.20 per million characters.