T
TFive9 vs Sinch
Pricing, features, platforms and who each one suits — side by side.
F
Choose Five9 if…
- you're in its core audience: enterprise contact centres, customer service leaders
S
Choose Sinch if…
- you need an API to build on
- you want to trial it before paying
- you're in its core audience: developers, enterprises
Side by side
Feature Five9 Sinch
Pricing modelPaidFree trial
Starting price$119/mo—
Free plan
Free trial
API
Open source
PlatformsWebWeb, API
CategoryCall center & dialersCPaaS & OTP APIs
CompanyFive9, Inc.Sinch
Full feature lists
F Five9
- Omnichannel routing across voice, chat, SMS, email, WhatsApp, video
- Agentic AI and intelligent virtual agents for self-service
- Genius AI routing of interactions
- GenAI quality scoring of all interactions
- Workforce forecasting and scheduling
- Outbound dialling and automated outreach
- 300+ integrations including Salesforce and ServiceNow
- 99.999% platform uptime SLA
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
Their home pages
What each vendor shows first: the pitch, the plans and the sign-up.
Sinch · sinch.comWhat you'd pay
The cheapest plan that fits, per month, billed yearly where the plan offers it.
| Team size | Five9 | Sinch |
|---|---|---|
| 1 person | $5,950 Digital | no published plan |
| 5 people | $5,950 Digital | no published plan |
| 20 people | $5,950 Digital | no published plan |
All plans and prices
Five9
Digital$119 Monthly/Seat USD
Core$159 Monthly/Seat USD
PlusContact Sales
ProContact Sales
EnterpriseContact Sales
Sinch
SMSPay-as-you-go
VoicePay-as-you-go
RCSPay-as-you-go
FunctionsStarts free
Strengths and limitations
Five9
- Covers voice, chat, SMS, email, WhatsApp and video on one platform
- 300+ integrations with CRM and help desk tools
- 99.999% uptime SLA
- Named a Leader in Gartner Magic Quadrant for CCaaS
- Pricing available only through sales quotes
- Aimed mainly at enterprises
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
More comparisons
Other options to consider
TT
From $85/mo
T
Contact center software and AI agents that automate customer service work
Call center & dialers
A
AA
From $30/mo
A
Cloud phone system with AI voice agents for sales and support teams
Cloud phone systems & VoIPAPI
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
V
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
Facts from each vendor's public pages, prices checked Nov 14, 2026. Editorial policy