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Unified Communications (UCaaS) · Head to head

8x8 vs RingCentral

Both products compete in Unified Communications (UCaaS). Unified Communications as a Service (UCaaS) combines voice calling, video conferencing, team messaging, and phone system features into a single cloud-delivered platform. Organizations use it to replace on-premise PBX systems and consolidate their communications infrastructure under one vendor and one bill. Here are the facts the B4 Index maintains on each, side by side.

The two files, side by side

8x8
RingCentral
What it is
Unified VoIP, video, chat, and contact center on a single cloud platform
Power the voice of your business with RingCentral Agentic Voice AI, including AI Receptionist (AIR), AI Virtual Assistant (AVA), & AI Conversation Expert (ACE).
Website
8x8.com ↗
ringcentral.com ↗
Pricing
From ~$24/user/mo; CCaaS tiers higher
$20-35/user/month
Categories served
Unified Communications (UCaaS)
Unified Communications (UCaaS), Contact Center as a Service (CCaaS)
Status
Active · verified June 2026
Active
The 8x8 file → The RingCentral file →

The decision underneath the comparison

Choosing between 8x8 and RingCentral assumes you're buying Unified Communications (UCaaS) at all. That's the prior question, and the B4 Index scores it on two axes: how much Unified Communications (UCaaS) differentiates you, and how far AI has come at building it. Read the build-versus-buy considerations for Unified Communications (UCaaS) before you shortlist either product.

Vendor facts are maintained independently of any B4 verdict and re-verified on a monthly liveness check. See the full methodology.