Vapi is a developer voice infrastructure platform. Solwees is a finished AI receptionist for booking businesses, with voice plus WhatsApp, Instagram and email, native CRM integrations and self-serve setup.
Vapi provides the voice substrate. STT, LLM orchestration, TTS, telephony. Everything around it (booking logic, CRM integration, multichannel coverage) is your build. Solwees ships finished for booking businesses.
Vapi is voice. WhatsApp, Instagram, email and the web widget are separate stacks. Solwees runs all of them with one shared agent persona and knowledge base.
Vapi charges per voice minute. For a busy restaurant or salon the monthly bill swings with traffic. Solwees uses flat tiers plus prepaid minute packs.
| Solwees | Vapi | |
|---|---|---|
| Product shape | Finished AI receptionist | Voice infrastructure (developer-facing) |
| Channels | Voice + WhatsApp + Instagram DM + web widget + email | Voice |
| Booking CRM integrations | Native to 7+ CRMs | You build it |
| Languages | 50+, mid-call switch | 30+, model-dependent |
| Voice latency | Under 800ms, 50+ languages with mid-call switch | Low, comparable |
| Pricing | AI from €99 / month (SOLO), flat + minute packs | $0.05/min platform + STT + LLM + TTS + telephony; real all-in is $0.15–$0.33/min Based on Vapi public pricing, 2026-05. |
| Hosting | AWS Frankfurt, GDPR-ready (SOC 2 + ISO 27001 in progress) | US-hosted |
We update this table as competitor pricing changes. Last reviewed: 2026-05.
Vapi gives you transcripts and conversation logs. Solwees gives you confirmed bookings inside Fresha, Altegio, SevenRooms, OpenTable, CoverManager, Mozrest or Google Calendar, with two-way sync and the right staff member assigned.
On Vapi, every non-voice channel is a separate engineering job. On Solwees, WhatsApp, Instagram, email and the web widget come pre-wired with the same agent persona.
Most Vapi-based booking flows decompose into: take a booking, check availability, escalate. All shipped by default in Solwees.
OAuth into your booking CRM, enable WhatsApp Business and Instagram, paste your website URL for knowledge-base extraction.
Parallel-run for a week, review transcripts in the admin panel.
Most teams free up 5 to 20 hours of engineering per month by deprecating the Vapi integration.
For a developer-led team building a vertical voice product, Vapi is one of the cleanest infrastructure choices in 2026. Low latency, good voice quality, fast iteration.
For a salon, a restaurant or a clinic, building on Vapi means owning a voice product. That includes the booking-flow design, the CRM integration, the WhatsApp gap, the mobile takeover, the analytics, the on-call when something breaks at 22:00 on Friday. Solwees absorbs all of that.
The voice metrics, latency, naturalness, interruption handling, are competitive between modern voice stacks including Solwees and Vapi. The difference is what surrounds the voice. Solwees treats voice as one channel of five and writes bookings into a CRM. Vapi treats voice as the product and lets you do whatever you want with the transcripts.
Vapi is the right pick when you are building a voice product yourself. A vertical-specific tool for a niche we do not cover, an internal call-center transformation, an outbound campaign engine. The infrastructure depth and developer ergonomics are real.
Solwees is the better answer when you want the booking-business AI receptionist already built.
We run a guided demo on your menu or service list and show you the booking flow we'd put in place. No prep needed.