KaiCalls vs Smith.AI: The 2026 Comparison
Smith.AI offers both human Virtual Receptionists ($292.50/mo for 30 calls) and AI Receptionists ($97.50/mo for 30 calls). KaiCalls provides AI-powered call answering at $300/mo for 500 minutes with no per-call overage fees. See how they compare.
Calls Handled
Leads Processed
Time Saved
At a Glance
Smith.AI
- AI: $97.50/mo for only 30 calls ($3.25/call)
- Human: $292.50/mo for 30 calls ($9.75/call)
- Per-call overage: $8-$11 (human), $2.75-$3.50 (AI)
- Add-ons: Bilingual +$1, Booking +$1.50, Recording +$0.25
- Queue limits during busy periods
- 24/7 human option available
KaiCalls AI
- From $69.99/mo (Essentials) to $300/mo (500+ min)
- Per-minute billing (not per-call)
- Overage: just $0.10-$0.15 per minute
- Bilingual, booking, recording all included
- Unlimited concurrent calls (zero hold times)
- Deep legal CRM integration (Litify, Clio)
Per-Call vs Per-Minute: Why It Matters
Smith.AI's per-call pricing means every call costs the same, whether it's 30 seconds or 10 minutes. KaiCalls per-minute billing means you only pay for actual conversation time.
Smith.AI: Per-Call Math
- 30-second wrong number = $8-11
- 1-minute spam call = $8-11
- 10-minute intake = $8-11
- All calls cost the same
- Short calls waste your money
KaiCalls: Per-Minute Math
- 30-second wrong number = $0.05-0.08
- 1-minute spam call = $0 (filtered)
- 10-minute intake = $1.00-1.50
- Pay only for talk time
- Spam calls are filtered free
Real Scenario: 100 Calls/Month
Talk to Kai our AI Voice Agent Right Now
Click the microphone and have a conversation. This is the same AI that handles calls 24/7 for law firms. Smith.AI requires a sales call to see their service - KaiCalls lets you experience it instantly.
KaiCalls AI Demo
Click the microphone to start speaking
Live demo using VAPI voice AI with 10 professional voice options
Feature-by-Feature Comparison
| Feature | Smith.AI | KaiCalls AI |
|---|---|---|
Pricing Model | Per call ($8-$11/call for humans) | Flat rate ($69.99-$1,000/mo) |
AI Receptionist Price | $97.50/month (30 calls only) | $300/month (500 minutes) |
Virtual Receptionist Price | $292.50/month (30 calls, human) | N/A (AI-first model) |
Overage Fees | $8-$11 per call (human), $2.75-$3.50 per call (AI) | $0.10-$0.15 per minute |
Bilingual Support | +$1.00 per call add-on | Included (no extra charge) |
Appointment Booking | +$1.50 per call add-on | Included (Google Calendar, GHL) |
Concurrent Calls | Limited by agent availability | Unlimited (no hold times) |
Response Time | Variable (depends on queue) | Under 1 second |
CRM Integration | Basic (Clio, MyCase, others) | Deep (40+ CRMs with data injection) |
Legal Intake | Generic scripts | AI-powered case qualification |
Outbound Calls | Outreach campaigns available | Goal-based follow-up included |
Call Recording | +$0.25 per call add-on | Included |
Live Demo | Contact sales required | Yes (try it now) |
Setup Fees | None | None |
Pricing Comparison
Smith.AI offers two service tiers: AI Receptionist and Virtual Receptionist (human)
Smith.AI AI Receptionist
- Starter: $97.50/mo for 30 calls
- Basic: $270/mo for 90 calls
- Pro: $562.50/mo for 225 calls
- Overage: $2.75-$3.50 per call
- Per-call billing, not per-minute
Smith.AI Virtual Receptionist
- Starter: $292.50/mo for 30 calls
- Basic: $787.50/mo for 90 calls
- Pro: $2,025/mo for 300 calls
- Overage: $8-$11 per call
- Human agents, 24/7 coverage
KaiCalls AI
- Essentials: $69.99/mo (entry tier)
- Overflow: $300/mo for 500 minutes
- Premium: $600/mo for 1,500 minutes
- Enterprise: $1,000/mo for 4,000 minutes
- Overage: $0.10-$0.15 per minute
- Per-minute billing, all features included
Add-On Features Comparison
| Feature | Smith.AI | KaiCalls |
|---|---|---|
| Bilingual (Spanish) | +$1.00/call | Included |
| Appointment Booking | +$1.50/call | Included |
| Call Recording | +$0.25/call | Included |
| Payment Collection | +$1.00/call | Included |
| SMS/Slack Notifications | +$0.50/call | Included |
Smith.AI add-ons can increase per-call costs significantly. A call with bilingual support + booking + recording costs an extra $2.75 per call.
Common Questions
What are the best Smith.AI alternatives?
KaiCalls is the top Smith.AI alternative for law firms, offering flat-rate AI pricing starting at $69.99/month (Essentials) or $300/month for 500 minutes (Overflow) vs Smith.AI's $97.50/month for only 30 AI calls. KaiCalls provides deeper CRM integration, unlimited concurrent calls, and no per-call overage fees.
How does Smith.AI pricing compare to KaiCalls?
Smith.AI Virtual Receptionist (human) starts at $292.50/month for 30 calls with $11/call overage. Smith.AI AI Receptionist starts at $97.50/month for only 30 calls. KaiCalls starts at just $69.99/month (Essentials) or $300/month for 500 minutes (Overflow) with $0.10-0.15/minute overage - significantly better value for growing firms.
Does Smith.AI charge per call or per minute?
Smith.AI charges per call, not per minute. Their Virtual Receptionist plans charge $8-11 per call for overages. This means short calls cost the same as long ones. KaiCalls charges per minute, so you only pay for actual talk time.
What add-ons does Smith.AI charge extra for?
Smith.AI charges extra for: bilingual Spanish service ($1/call), appointment booking ($1.50/call), payment collection ($1/call), and call recording ($0.25/call). KaiCalls includes bilingual support, appointment booking, and call recording in all plans at no extra cost.
Is Smith.AI or KaiCalls better for law firms?
For law firms with moderate to high call volume, KaiCalls offers better value. Smith.AI's per-call pricing becomes expensive quickly, while KaiCalls flat rate provides predictable costs. KaiCalls also offers deeper legal CRM integrations with Litify, Clio, and legal-specific intake workflows.
Will callers know they're talking to AI?
KaiCalls uses VAPI voice AI with natural prosody, breath, and tone. The AI pauses when interrupted and understands conversational cues. In blind tests, 84% of callers did not realize they were speaking to AI. Try the live demo above to hear the quality yourself.
How does the 7-day free trial work?
Sign up and receive a real phone number immediately. Forward your calls and test KaiCalls with actual client interactions. 7-day free trial included. If you subscribe, your phone number transfers to your paid account.
Switch from Smith.AI to KaiCalls
Start your 7-day free trial. Get a real phone number and test with actual calls. Setup takes 2 minutes. 7-day free trial.
Questions? Call us at 1 (417) 386-2898