Cartesia

Cartesia

SpeechFREE TIER

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

Operational

All systems responding normally

Last checked 11/04/2026, 6:21:41 pm

607ms response

Uptime History98.00% uptime
2026-04-07Today

Uptime

98.00%

Avg Latency

556ms

P95 Latency

686ms

Fastest

311ms

Checks

150

Response Time

Last 60 checks
311ms min556ms avg5451ms 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
607ms11 Apr, 06:21 pm
Operational
557ms11 Apr, 05:58 pm
Operational
429ms11 Apr, 05:38 pm
Operational
339ms11 Apr, 05:14 pm
Operational
534ms11 Apr, 04:41 pm
Operational
465ms11 Apr, 04:12 pm
Operational
611ms11 Apr, 03:47 pm
Operational
497ms11 Apr, 03:19 pm
Operational
586ms11 Apr, 02:42 pm
Operational
616ms11 Apr, 01:52 pm
Operational
645ms11 Apr, 12:50 pm
Operational
338ms11 Apr, 11:48 am
Operational
525ms11 Apr, 11:04 am
Operational
614ms11 Apr, 10:33 am
Operational
587ms11 Apr, 09:53 am