AI voice agents for business phone lines that answer, call back, and transfer to your team
Independent hub for Block's Dessa voice AI with official recordings, hardware checks and live voice playground
Stage
Startup
Not given
Founded
Not given
Not given
Based in
Not given
HK
Pricing model
Paid
Freemium
Pricing
Pay-as-you-go with no subscriptions or minimums. Starting credit of $5 USD. Calls billed per minute: $0.0673 per minute on the lowest-cost stack (all-in). Platform infrastructure fee is $0.0500 per minute. Speech-to-text from $0.0020 to $0.0100 per minute. Language models from $0.0008 to $0.0264 per
Free: official Dessa recordings breakdown, Mac M4 Max checker, and BYOK mode. Instant Voice Pass: $4.90 one-time for 150 credits (15 minutes). Pro Studio: $12.90/month for 1,200 credits (120 minutes).
Key features
Visual flow builder for designing call flows
Inbound and outbound calling
380ms median response time on production calls
Integration with Meta leads
Mid-call API integration and data lookup
Do-not-call list enforcement
Choice of language models, speech-to-text, and voice providers
Call recording with GDPR compliance and opt-out
Transparent per-minute cost breakdown
Official Dessa audio recordings with two-track synchronized playback
Mac M4 Max hardware readiness checker for local deployment
Bring-your-own-key mode with OpenAI API integration
Session audio and transcript download
Real-time voice AI with 6-second credit metering
Model comparison table for Dessa vs Sesame vs GPT-Live-1 vs Moshi
Microphone preview mode for testing audio input
Multiple conversation scenarios for voice practice
What makes it different
Fastest response time: 380ms median to first word on production calls
Switchable AI models per flow for cost optimization
Transparent usage-based pricing with no subscriptions or minimums
Built-in intelligent call routing to the right team
Defaults that respect privacy with recording off by default
Independent platform with no affiliation to Block, Inc., providing free access to official Dessa recordings
Only source showcasing Block's full-duplex Dessa model with official two-track demonstrations
Free M4 Max hardware checker to estimate Dessa's local deployment compatibility
Zero-text speech-to-speech architecture with no text intermediary
Talkif
DessaVoice