Deepgram vs Phonely
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Deepgram if you want voice ai infrastructure: speech-to-text, text-to-speech, and a voice agent api (Assistant, usage); choose Phonely if you want ai phone agent that answers and makes calls in natural conversation (Autonomous agent, usage).
| Deepgram | Phonely | |
|---|---|---|
| What it is | Voice AI infrastructure: speech-to-text, text-to-speech, and a voice agent API | AI phone agent that answers and makes calls in natural conversation |
| Type | platform | agent |
| Autonomy | Assistant | Autonomous agent |
| Pricing | usage · $0.0048/min (Nova-3 streaming STT) | usage · $25/mo |
| Best for | developers, enterprise | smb, mid-market, enterprise |
| Deployment | saas, api, self-hosted, on-prem | saas, api |
| Modalities | voice, text, api, code | voice |
| Models | proprietary | model-agnostic |
| Protocols | rest-api, function-calling | rest-api |
| Integrations | Twilio, LiveKit, Vapi, Amazon SageMaker | Google Calendar, Calendly, Twilio, Zapier, Slack |
| Capabilities | 4 documented | 4 documented |
Deepgram
- +Mature, competitive STT (Nova) with low per-minute pricing and strong streaming
- +Rare true self-hosted, on-prem, and air-gapped options for regulated and government use
- +A single Voice Agent API collapses the STT-LLM-TTS stack
- -Infrastructure, not a finished product: you build the agent and UX yourself
- -The Voice Agent API is materially pricier, and connection-time billing can surprise
Phonely
- +Handles live calls in natural conversation, not rigid IVR menus
- +Takes real actions in-call: scheduling, rescheduling, cancellations, account lookups
- +100+ languages, voice cloning, and per-call recording and summaries
- -Usage-based pricing scales with call volume
- -Complex requests still need human escalation
Which should you choose?
Deepgram is voice ai infrastructure: speech-to-text, text-to-speech, and a voice agent api, best for developers, enterprise. Phonely is ai phone agent that answers and makes calls in natural conversation, best for smb, mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.