Answer the phone with AI
Production AI phone stack
Connect telephony, run the agent, generate natural speech, and review every call.
Cartesia builds voice model infrastructure focused on real-time performance for conversational interfaces and AI voice products.
Pricing
$5+ / month
Founded
2023
Team size
Not listed
Headquarters
San Francisco, CA
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Preview from cartesia.ai/sonic
At a glance
Pricing model
Try before you buy
Security
Cartesia is designed around the latency and quality constraints of real-time voice systems, which makes it especially relevant for agentic and interactive experiences.
It belongs in the catalog as part of the emerging stack for teams building production voice software, not just text-first AI products.
Production AI phone stack
Connect telephony, run the agent, generate natural speech, and review every call.
Structured facts from the vendor to help your security, finance, and procurement reviews move faster.
Trust
SLA uptime target: Not specified
Security review turnaround: Not specified
DPA available: Not specified
Pricing
Pricing model: Tiered plans
Free trial: Yes
Free plan: Yes
Contract minimum: Not specified
Procurement
The vendor hasn’t added purchasing & legal details yet.
Fit
Company-size fit has not been specified yet.