Winner cells are tinted, green where Azure SMS leads, violet where MessageBird does.
capability
Azure SMS
MessageBird
Pricing
Price per SMS (US)
$0.0075
$0.00331
Pricing model
Pay-as-you-go per message segment billed through the Azure subscription; no ACS-specific platform fee, but separate leasing and registration fees apply per number type
Pay-as-you-go per message on top of monthly plans (Free 5 SMS/day, Pro $49/mo)
Volume discounts
No
Yes
Channels
SMS
Yes
Yes
MMS
Yes
Yes
WhatsApp
Yes
Yes
RCS
No
Yes
Voice
Yes
Yes
Routing & delivery
Carrier network
Relies on underlying carrier partners rather than owning tier-1 infrastructure; publishes a per-carrier surcharge table (AT&T, T-Mobile, Verizon, US Cellular, etc.) for 10DLC traffic
Phone, email, and chat via paid Azure support plans (Standard, Professional Direct, Unified); free community Q&A and docs otherwise
Email/ticket, help center, status page; priority on higher plans
24/7 support
Yes
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Support SLA
SLA-backed response times tied to Azure support plan tier and case severity (for example, 1-hour response on the highest severity with Professional Direct)
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FAQ
Common questions
Azure SMS starts at $0.0075 versus MessageBird's $0.00331. Compare your expected monthly volume against the per-message rates above.