kitio.aiVapi vs SigmaMind AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Vapi starts at $29/mo and SigmaMind AI starts at $0.096 / min (voice). Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Voice agent orchestration
- Choice of STT, LLM and voice providers
- Phone numbers and SIP
- Real-time call monitoring
- HIPAA add-on
- Zero data retention option
- Drag-and-drop agent builder
- Playground testing
- Template app library
- Call analytics
- Multi-client workspaces
| Feature | Vapi | SigmaMind AI |
|---|---|---|
| Best for | Developer platform to build, test and deploy voice AI agents | Voice AI agents for inbound and outbound contact center calls |
| Category | Customer support | Customer support |
| Pricing model | Freemium | Paid |
| Starting price | $29/mo | $0.096 / min (voice) |
| Free plan | Yes | No |
| Made by | Vapi | SigmaMind AI |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Vapi starts at $29/mo and SigmaMind AI starts at $0.096 / min (voice). Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
By Usage
Pay per minute
- $5 free credits
- 1 phone number included
- 4 concurrent calls
- 14 days of data retention
Core
$29/mo
- 5 phone numbers
- 10 concurrent calls
- 30 days of data retention
- Zero data retention included
Pro
$999/mo
- 10% of hosting fee, $999 minimum
- 30 concurrent calls
- RBAC and dedicated Slack support
- 99% uptime SLA
Premier
Contact sales
- Custom concurrency and retention
- Named support team
- 99.9% uptime SLA
2 plans
Pay as you go
$0.096 / min (voice)
- Voice agents billed per minute
- Chat agents $0.006 per message
- Unlimited flows
Custom
Contact sales
- For 100,000+ minutes per month
- Security, SLAs and dedicated support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Vapi
- Mix and match model and voice providers
- Free credits to start building
- Many telephony options
- Per-minute costs stack across providers
- Pro package has a $999 monthly minimum
- Built for developers, not no-code users
SigmaMind AI
- Pay as you go with published per-minute rates
- Works on top of your existing telephony
- Choice of speech and language models
- Total cost is the platform fee plus model and telephony costs
- Usage pricing is harder to forecast
- Custom rates need a sales call at scale
Which one should you choose?
Choose Vapi if you want:
- Mix and match model and voice providers
- Free credits to start building
- Many telephony options
Watch out: per-minute costs stack across providers.
Choose SigmaMind AI if you want:
- Pay as you go with published per-minute rates
- Works on top of your existing telephony
- Choice of speech and language models
Watch out: total cost is the platform fee plus model and telephony costs.
Vapi vs SigmaMind AI FAQ
What is the difference between Vapi and SigmaMind AI?
Vapi: Developer platform to build, test and deploy voice AI agents. SigmaMind AI: Voice AI agents for inbound and outbound contact center calls. Both are customer support tools.
Is Vapi or SigmaMind AI cheaper?
Vapi starts at $29/mo and SigmaMind AI starts at $0.096 / min (voice). Check both pricing pages for current plans.
Do Vapi and SigmaMind AI have free plans?
Vapi: Yes. SigmaMind AI: No.
Who makes Vapi?
Vapi is made by Vapi, based in United States.
Who makes SigmaMind AI?
SigmaMind AI is made by SigmaMind AI.
Which should I choose, Vapi or SigmaMind AI?
Choose Vapi if you value mix and match model and voice providers and free credits to start building. Choose SigmaMind AI if you value pay as you go with published per-minute rates and works on top of your existing telephony.