AI Sales Index

Cartesia

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Phonely

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ANALYSIS VERDICT

Cartesia leads on autonomy (70 vs 68), while Phonely has no verified price. Select Cartesia for unmatched sub-100ms audio generation speed; consider Phonely if you prioritize fast 10-minute setup with zero coding knowledge.

Metric / Feature
Cartesia Visit cartesia.ai ↗
Phonely Visit phonely.ai ↗
Autonomy Score (AES)
70/100
Core 80 · -10 setup
68/100
Value-to-Cost Ratio5.01—
Starting Price$0/moNot verified
Pricing Modelfreemiumpaid
Primary Strengths
  • Unmatched sub-100ms audio generation speed
  • Native integration with LiveKit and Daily WebRTC stacks
  • Cost-effective per-character pricing
  • Fast 10-minute setup with zero coding knowledge
  • Never misses an after-hours inbound call
  • Instant text message summary sent to staff
Tradeoffs
  • Developer infrastructure requiring custom client implementation
  • No hosted telephony portal
  • Limited deep CRM bi-directional workflow branching
  • Fixed minute bundles with per-minute overage
Common Integrations

No direct shared integrations recorded.

Unique Integrations

WebSockets, LiveKit, Daily, API

Zapier, Google Calendar, Webhooks, Slack

Pricing tier comparison

Cartesia tiers

Free
$0 /month
  • 20K credits / month
  • $1 prepaid agents / month (~33 agent minutes)
  • Text to Speech (Sonic-3.6, ~27 min)
  • Speech to Text (Ink-2, ~1h 51m)
  • 2 concurrent TTS requests, 8 concurrent STT requests
Pro
$5 /month
  • 100K credits / month
  • $5 prepaid agents / month (~2h 47m)
  • Commercial use license
  • Instant voice cloning
  • 3 concurrent TTS requests, 12 concurrent STT requests
Startup
$49 /month
  • 1.25M credits / month
  • $49 prepaid agents / month (~27h 13m)
  • Pro voice cloning (2 slots)
  • Organizations support
  • 5 concurrent TTS requests, 20 concurrent STT requests
Scale
$299 /month
  • 8M credits / month
  • $299 prepaid agents / month (~166h 7m)
  • Priority support
  • High concurrency limits (15 TTS, 60 STT)
  • Pro voice cloning (4 slots)
Enterprise
Custom /custom
  • Custom credits & agent usage
  • Volume pricing
  • Custom concurrency limits
  • DPAs and BAAs for compliance
  • Shared Slack channel & SSO

Phonely tiers

Starter
$39 /mo
  • Fast 10-minute setup with zero coding knowledge
  • Standard API & webhooks
  • Core data/outbound allowance
Growth
$85 /mo
  • Multi-user team workspace
  • Bi-directional CRM synchronization
  • Priority processing queues
Enterprise Scale
Custom /custom
  • Unlimited volume & custom concurrency
  • Custom data waterfall prioritization
  • Dedicated account manager

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