Vapi gives developers building blocks to assemble voice agents from the models they choose. UIRIX AI gives you a finished agent: it reads your website, answers your phone and talks to visitors on your site.
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Consider UIRIX AI instead of Vapi if nobody on your team wants to pick transcription, model and voice providers or write code. Vapi charges a $0.05 per-minute platform fee plus provider costs; UIRIX plans start at $49 a month with calls included, and the agent is built from your website URL.
Vapi describes itself as voice agents for builders, and it is excellent at that. Developers can combine models from OpenAI, Anthropic, Google Gemini, Groq and others with transcription and voice providers such as Deepgram and ElevenLabs, then control the agent through APIs, squads of specialized assistants and visual workflows. If you are building voice into your own product, that control is hard to beat.
Vapi also has broader compliance options than UIRIX: SOC 2, HIPAA and PCI are listed, with HIPAA offered as a paid add-on ($2,000 a month on its pricing page). UIRIX is a smaller, newer company and holds no such certifications.
On Vapi, the per-minute platform fee is only part of the bill. Transcription, the language model and the voice are billed on top at provider rates, and higher tiers add monthly fees (Core $29, Pro from $999). That is fair for builders, but it means someone has to design, price and maintain the stack. UIRIX includes the voice engine, the model and the knowledge base in the plan: Starter is $49 a month for 1 agent with about 100 inbound and 100 outbound calls, and usage beyond that is paid from a prepaid wallet.
The UIRIX agent is also ready for business use from day one. It creates leads, support tickets and orders, books appointments in Google Calendar or Microsoft 365, transfers live calls to a person, and sends a summary e-mail after each call. No function code to write, no webhook server to host.
Export your Vapi assistant prompt and any files you attached, and upload them to UIRIX next to your website crawl. Map each Vapi tool you built to a built-in UIRIX action (lead, ticket, order, callback, appointment, transfer, e-mail, SMS or link); for anything custom, a Zapier webhook usually replaces your own server. Developers can keep automating through Public API v1 and signed webhooks.
The stack is chosen and maintained for you.
OpenAI Realtime or Google Gemini Live voice engines, preconfigured. Pick one of 40 voices and go.
Leads, tickets, orders, callbacks, appointments, live transfer, e-mail, SMS, links and feedback.
Sales, collections and event (RSVP) profiles, plus HubSpot list import to decide who to call.
The agent remembers the caller's last 3 calls, and every call is recorded and transcribed with card numbers masked.
| Feature | Vapi | UIRIX AI |
|---|---|---|
| Who it is for | Developers and enterprises building voice agents into their own products | Businesses that want a ready agent without writing code |
| Setup | API-first, with a dashboard, squads and visual workflows; you choose the providers | No-code: paste your website URL and the agent is drafted in minutes |
| Pricing model | $0.05/min platform fee plus provider costs; Core $29/month, Pro from $999/month, Premier custom | Plans at $49, $99 and $299 per month with the AI stack included, or pay-as-you-go from $10 |
| Free trial | $5 in free credits | Free trial credit, no credit card required |
| Phone numbers | 1 to 5 Vapi numbers on free and Core tiers; import your own | Buy a Twilio number in the dashboard or forward your existing number |
| Website chat and voice widget | Embeddable web widget for text and voice, set up with a public key and assistant ID | Chat widget and voice-in-browser widget with live captions, ready to paste |
| Languages | Depends on providers; Vapi Voices lists 40+ languages | 17 languages out of the box, about 70 with Gemini voices |
| Outbound campaigns | Yes, from a CSV upload in the dashboard, limited by concurrency | Yes: profiles, voicemail/IVR detection, do-not-call list, calling windows, retries, HubSpot import |
| API and integrations | Full API; 30+ integrations including Salesforce, HubSpot, Slack and Twilio | Public API v1 with 8 signed webhook events; HubSpot, Google Calendar, Microsoft 365, Zapier, Twilio |
Vapi details come from vapi.ai/pricing, vapi.ai, docs.vapi.ai/outbound-campaigns/overview, docs.vapi.ai/chat/web-widget and docs.vapi.ai/providers/voice/vapi-voices, as of September 2026. Prices change often, so confirm with each vendor before you buy.
UIRIX crawls your website and drafts the knowledge, greeting and instructions. Add your Vapi prompt as a document.
Choose from 40 voices on OpenAI Realtime or Google Gemini Live; no provider accounts needed.
Buy a number in the dashboard, or forward the number your Vapi assistant uses.
Call the agent, try the website widgets and review transcripts before switching traffic.
Paste your website URL, pick a voice and answer calls today. Free trial credit, no credit card, no setup fees.
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