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Mainbrella vs Aristra

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 Aristra
Detail MainbrellaAristra logo Aristra
What it doesCloud computers for AI agents on Cloudflare Your digital twin, working 24/7.
StageNot given MVP
FoundedNot given Not given
Based inUS US
Pricing modelFreemium Freemium
PricingPrepaid 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: 100 credits per month, no card required. Plus: $29 per month for 3,000 credits per month. Pro: $99 per month for 10,000 credits per month. Prices in USD, billed monthly, cancel anytime.
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
  • Persistent memory that you approve and control
  • Proactive agents for daily briefs, follow-ups, and scheduled tasks
  • Custom agents you build and run
  • Aristra Compose for writing and documents
  • Tool connections through MCP: Gmail, Google Calendar, Notion, GitHub, Linear
  • Works on web, desktop, mobile, Telegram, Chrome extension
  • Real browser for autonomous web browsing and interactions
  • Document, PDF, and slide deck creation
  • Image generation from prompts
  • Encrypted storage with user-controlled key rotation
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
  • Proactive autonomy: runs tasks without being asked and messages when done or needs approval
  • Works inside Claude and ChatGPT so your memory follows you without opening another app
  • Team mode with shared memory and role-based access control while keeping personal drafts private
  • All plans include the same features; pricing scales only by monthly credits, not by feature gatekeeping
Community votes00
DR (Domain Rating by Ahrefs)23 +1 (up) since last check1 no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)3221
Referring domains (Majestic)6922

6 details filled in for both companies.

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