Deepgram vs Regal
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 Regal if you want ai phone agents for enterprise inbound and outbound contact centers (Autonomous agent, enterprise).
| Deepgram | Regal | |
|---|---|---|
| What it is | Voice AI infrastructure: speech-to-text, text-to-speech, and a voice agent API | AI phone agents for enterprise inbound and outbound contact centers |
| Type | platform | agent |
| Autonomy | Assistant | Autonomous agent |
| Pricing | usage · $0.0048/min (Nova-3 streaming STT) | enterprise |
| Best for | developers, enterprise | mid-market, enterprise |
| Deployment | saas, api, self-hosted, on-prem | saas, api |
| Modalities | voice, text, api, code | voice, text, email |
| Models | proprietary | model-agnostic |
| Protocols | rest-api, function-calling | rest-api |
| Integrations | Twilio, LiveKit, Vapi, Amazon SageMaker | Salesforce, HubSpot, Twilio, Segment, Snowflake |
| 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
Regal
- +Handles inbound and outbound at enterprise scale, blending AI and human agents
- +Omnichannel journey orchestration with drag-and-drop builders and branded caller ID
- +Built-in A/B testing and reporting
- -Enterprise-oriented with no public pricing
- -Containment and CSAT figures are vendor-reported
Which should you choose?
Deepgram is voice ai infrastructure: speech-to-text, text-to-speech, and a voice agent api, best for developers, enterprise. Regal is ai phone agents for enterprise inbound and outbound contact centers, best for mid-market, enterprise. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.
This comparison is generated from the sourced Deepgram and Regal profiles. Open either profile to review its evidence and last-reviewed date.