Cartesia
Cartesia Sonic
Extreme low-latency voice synthesis
<100ms latencyStable streamConversational
Today's score
93.0
Where it ranks today
Why it ranks here
The preferred choice for building real-time voice agents that need human-like responsiveness.
30-day trend
Score breakdown
Search trends87
Benchmarks91
Developer buzz94
News mentions85
Pricing
API: $0.00 in · $0.00 out per 1M tokens · Consumer: $0.00/mo