V
VSinch vs Vapi
Pricing, features, platforms and who each one suits — side by side.
S
Choose Sinch if…
- you want to trial it before paying
- you're in its core audience: developers, enterprises
V
Choose Vapi if…
- you want a free plan to start with
- you're in its core audience: developers, startups building voice products
Side by side
Feature Sinch Vapi
Pricing modelFree trialFreemium
Starting price—$29/mo
Free plan
Free trial
API
Open source
PlatformsWeb, APIWeb, API
CategoryCPaaS & OTP APIsAI voice agents & IVR
CompanySinchVapi, Inc.
Full feature lists
S Sinch
- SMS, MMS, RCS and WhatsApp messaging APIs
- Voice API, SIP trunking and in-app voice and video SDKs
- Email APIs and email platform
- Phone number verification API
- Number provisioning in 190+ countries
- Chatbot builder and contact center applications
- Serverless Functions runtime and CLI
- MCP server and plugins for AI coding tools
V Vapi
- Configurable voice, conversation flow and telephony
- Choice of transcriber, LLM and voice providers
- Model costs passed through without markup
- Call testing and simulation before going live
- Real-time call monitoring and observability
- Conversation guardrails to reduce hallucinations
- Built-in Vapi telephony, SIP, WebSockets and WebRTC
- SOC 2, HIPAA and PCI compliance
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Sinch · sinch.com
Vapi · vapi.aiWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
Sinch
SMSPay-as-you-go
VoicePay-as-you-go
RCSPay-as-you-go
FunctionsStarts free
Vapi
No Success Package$0 to start, $0.05/min hosting
Core$29
Pro10% of hosting fee, $999/mo minimum
PremierCustom
Strengths and limitations
Sinch
- Direct connections to 600+ operators
- 99.99% uptime claimed across 190+ countries
- SMS, voice and RCS are billed pay-as-you-go
- Messaging, voice, email and verification on one platform
- Rates vary by country and channel, with no flat plans
- Custom solutions require contacting sales
Vapi
- $5 free credits and no minimum minutes
- Model provider costs passed through without markup
- Unlimited agents on every plan
- SOC 2, HIPAA and PCI compliance
- Total per-minute cost stacks hosting, model, voice and transport fees
- HIPAA add-on costs $2,000/month
- Pro package has a $999/month minimum
- Free tier is limited to 4 concurrent calls
More comparisons
Other options to consider
VV
Free trial
V
Voice, video, messaging and verification APIs for developers and businesses
CPaaS & OTP APIsAPI
P
PP
Free trial
P
Voice AI agents and carrier-grade telephony APIs for businesses and developers
AI voice agents & IVRAPI
T
TT
Free trial
T
Phone number lookup API for validation, line type and fraud signals
Number lookup & HLRAPI
T
TT
Paid
T
Pay-per-query phone number API for carrier, line type, LRN and CNAM data
Number lookup & HLRAPI
R
RR
Freemium
R
AI phone agents that answer, place and route calls for contact centers
AI voice agents & IVRFree planAPI
B
BB
Free, from $299/mo
B
Enterprise voice AI platform for building and running AI phone agents
AI voice agents & IVRFree planAPI
Facts from each vendor's public pages, prices checked Nov 14, 2026. Editorial policy