Cartesia

Cartesia

SpeechFREE TIER

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

Operational

All systems responding normally

Last checked 03/05/2026, 6:16:05 pm

482ms response

Uptime History99.33% uptime
2026-04-29Today

Uptime

99.33%

Avg Latency

513ms

P95 Latency

657ms

Fastest

238ms

Checks

150

Response Time

Last 60 checks
238ms min513ms avg2686ms 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
482ms3 May, 06:16 pm
Operational
446ms3 May, 05:29 pm
Operational
525ms3 May, 04:42 pm
Operational
435ms3 May, 03:49 pm
Operational
388ms3 May, 02:45 pm
Operational
624ms3 May, 01:20 pm
Operational
427ms3 May, 12:03 pm
Operational
474ms3 May, 11:12 am
Operational
453ms3 May, 10:08 am
Operational
556ms3 May, 09:49 am
Operational
587ms3 May, 09:27 am
Operational
498ms3 May, 09:06 am
Operational
618ms3 May, 08:46 am
Operational
651ms3 May, 08:23 am
Operational
371ms3 May, 08:05 am