Mainbrella vs Onlay

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

Mainbrella compared with Onlay
Detail	Mainbrella	Onlay
What it does	Cloud computers for AI agents on Cloudflare	Publish documents for feedback, pull edits and comments back into your agent
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	GB
Pricing model	Freemium	Not given
Pricing	Prepaid compute at $0.02 per compute-unit hour. Minimum $5 top-up with no monthly subscription. Machine rates: Lite $0.02/hour, Small $0.12/hour, Medium $0.20/hour, Large $0.32/hour, XL $0.56/hour. Open source platform available via GPLv3 license for self-hosting on Cloudflare (Workers Paid plan sta	Free plan: $0, up to five active documents, documents up to 4 MB, 1 GB storage, last ten versions restorable, invite up to ten people per document. Pro plan: $10 USD per month (billed as $120 per year) or $12 USD per month (billed monthly), unlimited active documents, documents up to 16 MB, 50 GB st
Key features	Linux workspace with command execution, file operations, and tool installation HTTP API, SSH, and browser terminal access Account-owned lifecycle controls and explicit ownership Five machine sizes from Lite to XL Saved workspaces with snapshot stop and resume Prepaid balance with no monthly subscription Shared accounts and billing infrastructure Hosted apps including Linux computers, Vibe coding, and Voice agents Custom runtime images and language support Outbound internet and ephemeral storage	Publish HTML or Markdown files with shareable links Readers can leave comments and edit text with author permission Pull edits and comments back as structured data MCP server for agents without file or command access Custom share links with passwords and expiry dates on Pro Version history with restore capability Publish entire folders as sites on Pro plan Connect to external APIs and embed sites on Pro
What makes it different	Open-source platform that can be self-hosted on own Cloudflare account Built-in accounts, billing, and metering so developers don't start from scratch Simple prepaid model with no monthly commitment Direct founder contact for product feedback and integration questions Account-owned HTTP workflow with automatic cleanup	Documents stay active at stable links across multiple published versions Works natively with AI coding agents without requiring manual context management CLI does not require Node, Python or other runtime dependencies Screenshots in comments are listed by ID and only fetched on request
Community votes	0	0
DR (Domain Rating by Ahrefs)	23 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	32	0
Referring domains (Majestic)	69	0

5 details filled in for both companies.

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