B
BPolyAI vs Vapi
Pricing, features, platforms and who each one suits — side by side.
P
Choose PolyAI if…
- you're in its core audience: enterprise contact centers, customer service leaders
V
Choose Vapi if…
- you want a free plan to start with
- you're in its core audience: developers, customer support teams
Side by side
Feature PolyAI Vapi
Pricing modelContact for pricingFreemium
Starting price—$29/mo
Free plan
Free trial
API
Open source
Trains AI on your content—Yes
Data retention—Depends on customer config; free plan 14 days raw data; deleted on request
Security and compliance—SOC 2, HIPAA, PCI DSS
PlatformsWeb, APIWeb, API
CompanyPolyAI LtdVapi Inc. · United States
Full feature lists
P PolyAI
- Audio-native Dialog-RSN-1 voice model with sub-300ms latency
- Dialog Studio for no-code to full-code agent building
- Voice, SMS, WhatsApp, web chat and email channels
- Guardrails, PII redaction and human-in-the-loop controls
- Test calls, simulated conversations and A/B tests
- Pre-built connectors plus any API or MCP server
- Bring your own carrier over SIP at no charge
- Data residency in US, UK, EU and APAC
V Vapi
- Configurable voice, conversation flow and telephony
- Call testing and simulation before going live
- Real-time call monitoring and observability
- Built-in AI conversation guardrails
- Twilio, Vonage, Telnyx and Vapi SIP telephony
- Model providers passed through at cost
- SSO, OAuth and RBAC access controls
- SOC 2, HIPAA and PCI compliance
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
PolyAI · poly.ai
Vapi · vapi.aiWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
What the free plans include
PolyAI
No free plan.
Vapi
- $5 free credits to get you started
- 2 organizations
- 4 concurrent calls
- 14 days raw data retention
All plans and prices
PolyAI
Dialog-RSN-1 API2¢ per connected minute
PlatformCustom
Vapi
No Success Package$0 to start, $0.05/min hosting
Core$29
Pro10% of Vapi hosting fee, $999/mo minimum
PremierCustom
Price changes we've recorded
We re-read each pricing page every month and log what changed.
PolyAI
- Nov 8, 2026Pricing model: Contact for pricing → Free trial
Vapi
No changes since we started tracking.
Strengths and limitations
PolyAI
- Published API price of 2¢ per connected minute, billed per second
- $100 free credit for new sign-ups for a limited time
- SOC 2, ISO 27001, PCI DSS and GDPR compliance
- No minimums on platform billing
- Platform pricing requires a sales quote
- API excludes telephony and orchestration
- API limited to 2 concurrent calls until a card is added
Vapi
- $5 free credits and no minimum minutes to start
- Model provider costs passed through with no markup
- Unlimited agents on every plan
- SOC 2, HIPAA and PCI compliance
- The hosting fee and provider costs add up; the page estimates $82–$129 for 1,000 minutes
- HIPAA compliance is a $2,000/month add-on
- The free tier has no support SLA and allows only 4 concurrent calls
- Pro requires a $999/month minimum
More comparisons
Other options to consider
BB
Free, from $299/mo
R
R
Free trial
R
Build, deploy and monitor AI voice agents that answer and place phone calls
Voice AgentsAPI
S
SS
Contact
Z
ZZ
Free trial
I
IAI customer agent that resolves support, sales and ecommerce conversations
From $49.50/mo
I
From $49.50/mo
I
AI customer agent that resolves support, sales and ecommerce conversations
Customer SupportAPI
G
GG
From $10/mo
Facts from each vendor's public pages, prices checked Oct 26, 2026. Editorial policy