Mainbrella vs spacesheep

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 spacesheep
Detail	Mainbrella	spacesheep
What it does	Cloud computers for AI agents on Cloudflare	Shared workspace for teams and AI agents to create, collaborate and publish visual content
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
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 (unlimited signatures, 200 files, 25 MB per deploy, 60 web searches per day, 7M tokens per month); Pro $4.50/month (12,000 files, 2 GB per deploy, 20M tokens per month, 2× longer pages, unlimited signatures); Max $9/month (50M tokens plus 8M on Claude Opus, voice, stacks, streams); Team $10/mem
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	AI generates visual spaces, dashboards and interactive designs from prompts Real-time collaboration with comments and version history Integrates with multiple AI models including Claude, ChatGPT, Gemini, Grok and Cursor Live data streaming from servers and services into spaces Built-in search powered by former Pinecone engineers Auto-sync to Google Drive or GitHub for data ownership Voice control to run spacesheep by voice Stacks feature to auto-organize pages into collections CRMs, forms and tools that teams edit together without servers
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	Full data ownership—every space syncs to your own Google Drive or GitHub Real-time AI-powered collaboration where agents update spaces while teams watch and comment
Community votes	0	0
DR (Domain Rating by Ahrefs)	23 +1 (up) since last check	26 −1 (down) since last check
Trust Flow (Majestic)	5	11
Citation Flow (Majestic)	32	31
Referring domains (Majestic)	69	56

5 details filled in for both companies.

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