Cartesia

Cartesia

SpeechFREE TIER

Ultra-low latency TTS — real-time voice for agents

Operational

All systems responding normally

Last checked 23/07/2026, 12:51:42 am

1043ms response

Uptime History99.33% uptime
2026-07-18Today

Uptime

99.33%

Avg Latency

778ms

P95 Latency

1058ms

Fastest

413ms

Checks

150

Response Time

Last 60 checks
413ms min778ms avg1210ms max

💰 Pricing

sonic-2FREE
TTS: $0.08/1M chars

Ultra-low latency, <100ms to first chunk

1M chars/month free

⚡ Rate Limits

free
Concurrent: 3

1M chars/month free. 3 concurrent streams. Pay-per-character.

🤖 Models (1)

ModelTaskContextVisionToolsJSON
Sonic 2

Ultra-low latency TTS. Real-time voice synthesis.

speech

Recent Checks

Showing last 15
Operational
1043ms23 July, 12:51 am
Operational
487ms23 July, 12:06 am
Operational
625ms22 July, 11:18 pm
Operational
636ms22 July, 10:44 pm
Operational
943ms22 July, 10:06 pm
Operational
988ms22 July, 09:21 pm
Operational
534ms22 July, 08:32 pm
Operational
949ms22 July, 07:38 pm
Operational
690ms22 July, 06:41 pm
Operational
1058ms22 July, 05:41 pm
Operational
751ms22 July, 04:43 pm
Operational
901ms22 July, 03:49 pm
Operational
799ms22 July, 02:46 pm
Operational
799ms22 July, 01:34 pm
Operational
898ms22 July, 12:18 pm