Predictable Telephony Pricing

Real-Time Voice AI Built for Scale

Transparent usage tiers with dedicated concurrency lines, ultra-low latency synthesis, and authentic child character libraries.

Monthly Billing
Annual BillingSave 20%
Starter
< 95ms
Ideal for indie developers, prototypes, and testing kid voice agents in development environments.
$39/ month (billed annually)
Stream Minutes
3,000 mins/mo
Concurrent Calls
5 live lines
Voice Library
6 Core Archetypes
Protocols
WebSockets Stream
Included In Plan:
  • Real-time bidirectional speech synthesis
  • Standard pitch & tone emotion controls
  • US & UK regional child accents
  • Community Discord & standard email support
  • Pre-built Twilio & LiveKit SDK connectors
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Most Popular
Growth
< 70ms
Engineered for scaling voice apps, live gaming companions, and high-engagement support bots.
$159/ month (billed annually)
Stream Minutes
20,000 mins/mo
Concurrent Calls
35 live lines
Voice Library
All 24 Archetypes
Protocols
WebSockets + SIP Trunk
Included In Plan:
  • Everything in Starter, plus:
  • Sub-70ms ultra-low latency audio pipeline
  • Full accent spectrum (US, UK, AUS, Global)
  • Dynamic emotion modulation via API payload
  • Custom conversational interruption handling
  • Priority SLA & dedicated engineering Slack
Deploy Production Key
Custom Enterprise
< 50ms
For high-volume telephony infrastructures, call centers, and custom brand character deployments.
Custom/ tailored volume
Stream Minutes
Unlimited / Custom
Concurrent Calls
500+ dedicated lines
Voice Library
Exclusive Custom Persona
Protocols
Direct SIP / RTP / WebSockets
Included In Plan:
  • Everything in Growth, plus:
  • Custom child voice character cloning & studio tuning
  • Zero-latency edge telephony clustering
  • HIPAA, COPPA & SOC2 enterprise compliance
  • Guaranteed 99.99% uptime SLA with failover
  • 24/7 dedicated telephony engineer on-call
Talk to Voice Architects
Optional Add-Ons & Expansions

Enhance Your Audio Pipeline

Bolt-on specialized character fine-tuning, isolated SIP connectivity, or dynamic tone modules to any base tier.

Voice Training

Custom Persona Fine-Tuning

Train a proprietary child voice archetype tailored to your specific brand persona, dialect, and emotional ranges.

$499 / one-time per voice modelInquire
Telephony Infrastructure

Dedicated Global SIP Trunking

Private interconnects in US, EU, and APAC with sub-50ms deterministic RTP streaming and failover routing.

$150 / mo + usageInquire
Behavioral AI

Dynamic Sarcasm & Wit Tuning

Unlock advanced personality parameters for witty comebacks, playful snark, and situational tone shifts.

$79 / mo add-onInquire
Global SIP PoPs: US-East, US-West, EU-Central, AP-East
COPPA & Enterprise Compliant24/7 Telephony Support Available
Developer & Enterprise Intel

Frequently Asked Questions

Technical specs, safety protocols, and commercial clarity for teams deploying real-time conversational AI child voices.

Need specialized latency benchmarks or custom voice training?

Our telephony solutions engineers are available 24/7 to assist your team.

View FeaturesContact Engineering

Real-time AI child voice agents for dynamic calls, conversational interactive games, and automated customer support with multi-regional accents.

WebRTC Node 01•82ms ping•Opus / G.711
+1 800 555 VOX1
support@kidvox.com

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Developer & Audio

Voice Engine Releases

v2.4 Live

Receive low-latency synthesis changelogs, new accent packs, and telephony benchmark updates.

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