Cartesia
SpeechFREE TIERUltra-low latency TTS — real-time voice for agents
Unknown
Waiting for first check
Last checked 05/09/2026, 2:43:45 pm
667ms response
Uptime History76.67% uptime
2026-09-03Today
Uptime
76.67%
Avg Latency
685ms
P95 Latency
959ms
Fastest
372ms
Checks
150
Response Time
Last 60 checks372ms min685ms avg1048ms 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)
| Model | Task | Context | Vision | Tools | JSON |
|---|---|---|---|---|---|
| Sonic 2 Ultra-low latency TTS. Real-time voice synthesis. | speech | — | — | — | — |
Recent Checks
Showing last 15Unknown
667ms5 Sept, 02:43 pm
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557ms5 Sept, 02:30 pm
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699ms5 Sept, 02:12 pm
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723ms5 Sept, 01:53 pm
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585ms5 Sept, 01:44 pm
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701ms5 Sept, 01:31 pm
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539ms5 Sept, 01:13 pm
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959ms5 Sept, 12:53 pm
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602ms5 Sept, 12:46 pm
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465ms5 Sept, 12:34 pm
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922ms5 Sept, 12:15 pm
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772ms5 Sept, 11:54 am
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714ms5 Sept, 11:46 am
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421ms5 Sept, 11:27 am
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714ms5 Sept, 11:06 am