Cartesia

Cartesia

SpeechFREE TIER

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

Operational

All systems responding normally

Last checked 12/08/2026, 4:03:33 am

994ms response

Uptime History100.00% uptime
2026-08-09Today

Uptime

100.00%

Avg Latency

827ms

P95 Latency

1137ms

Fastest

423ms

Checks

150

Response Time

Last 60 checks
423ms min827ms avg1304ms 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
994ms12 Aug, 04:03 am
Operational
1107ms12 Aug, 03:40 am
Operational
910ms12 Aug, 03:10 am
Operational
576ms12 Aug, 02:41 am
Operational
1210ms12 Aug, 02:19 am
Operational
682ms12 Aug, 01:54 am
Operational
913ms12 Aug, 01:29 am
Operational
853ms12 Aug, 01:01 am
Operational
458ms12 Aug, 12:34 am
Operational
1080ms12 Aug, 12:06 am
Operational
908ms11 Aug, 11:30 pm
Operational
825ms11 Aug, 10:50 pm
Operational
705ms11 Aug, 10:26 pm
Operational
1069ms11 Aug, 10:04 pm
Operational
566ms11 Aug, 09:46 pm