OneTwoAgent vs Sellio

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OneTwoAgent compared with Sellio
Detail	OneTwoAgent	Sellio
What it does	AI customer support for SaaS that knows your product and your customer	AI customer support in one shared inbox with live chat, WhatsApp, Instagram, Telegram, and email
Stage	Not given	Startup
Founded	Not given	2025
Based in	Not given	MA
Pricing model	Paid	Freemium
Pricing	Starter $19/month (100 AI conversations, 50 Voice minutes), Core $49/month (500 AI conversations, 200 Voice minutes), Growth $99/month (1,500 AI conversations, 500 Voice minutes), Scale $249/month (5,000 AI conversations, 1,500 Voice minutes). All plans include unlimited teammates and channels (webs	Free plan with shared inbox and website chat, 2 seats, and 5 AI conversations included. Mini plan at $20/month with 5 seats and $5 included AI credits. Essentials at $95/month with 10 seats and $25 included AI credits. Plus at $295/month with 50+ seats and $75 included AI credits. Annual billing ava
Key features	AI answers from Help Center, website, Google Drive and files Voice support in 40+ languages Recognizes signed-in customers and reads authorized account data Scoped fresh account lookups with up to 8 custom support views Support for screenshots, photos and document attachments One shared inbox for multiple channels: website, WhatsApp, Instagram, Telegram Human takeover with team assignment and AI pause Brandable widget without CSS with customizable colors, fonts and animations Google Drive sync with automatic website refresh Unlimited teammates on every plan	Shared inbox for all customer conversations Live chat widget with one-line installation Multi-channel support: website chat, WhatsApp, Instagram, Telegram, email AI agents trained on your own knowledge base and docs Ticketing system for ongoing work Workflow automation builder Team assignment and routing rules Support analytics and CSAT ratings Desktop app for macOS with Windows coming soon Conversation history and context preservation across channels
What makes it different	Knows your customer: reads authorized account data and recognizes signed-in users Flat pricing with unlimited teammates, no per-seat or per-outcome fees Answers from your docs: Help Center, Google Drive and files update in seconds Voice support included on every plan in 40+ languages	All channels in one inbox instead of requiring separate tools AI agents trained on your own docs rather than generic responses Free plan forever with no time limits or card required Significantly cheaper pricing than Zendesk, Intercom and LiveChat Designed for simplicity with no complex enterprise software required
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	15 +1 (up) since last check
Trust Flow (Majestic)	3	5
Citation Flow (Majestic)	19	31
Referring domains (Majestic)	8	61

5 details filled in for both companies.

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