Regal vs Vapi
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Regal if you want ai phone agents for enterprise inbound and outbound contact centers (Autonomous agent, enterprise); choose Vapi if you want developer platform for voice ai agents that handle phone calls (Supervised agent, usage).
| Regal | Vapi | |
|---|---|---|
| What it is | AI phone agents for enterprise inbound and outbound contact centers | Developer platform for voice AI agents that handle phone calls |
| Type | agent | platform |
| Autonomy | Autonomous agent | Supervised agent |
| Pricing | enterprise | usage · $0.05/min platform fee + model costs at cost |
| Best for | mid-market, enterprise | developers, smb, mid-market, enterprise |
| Deployment | saas, api | saas, api |
| Modalities | voice, text, email | voice, text, api |
| Models | model-agnostic | model-agnostic, gpt, claude, gemini |
| Protocols | rest-api | rest-api, function-calling, mcp |
| Integrations | Salesforce, HubSpot, Twilio, Segment, Snowflake | Twilio, Deepgram, ElevenLabs, OpenAI, Anthropic, Google |
| Capabilities | 4 documented | 4 documented |
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
Vapi
- +Deep modularity and control: swap any STT/LLM/TTS provider, bring your own keys and models, fine-tune thousands of config points
- +Low latency at scale with enterprise reliability features (model fallbacks, SOC 2/HIPAA/PCI), validated by large production deployments
- +Transparent usage pricing with at-cost model pass-through and a low platform fee, plus open-source SDKs and a CLI
- -Complexity and steep setup; the no-code builder is limited and non-engineering teams face significant manual configuration
- -Costs can stack unpredictably: the per-minute fee is on top of separately billed provider costs and add-ons
Which should you choose?
Regal is ai phone agents for enterprise inbound and outbound contact centers, best for mid-market, enterprise. Vapi is developer platform for voice ai agents that handle phone calls, best for developers, smb, 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 Regal and Vapi profiles. Open either profile to review its evidence and last-reviewed date.