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Mainbrella vs King AI

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 King AI
Detail Mainbrella King AI
What it doesCloud computers for AI agents on Cloudflare Fixed-price computer tasks done by an autonomous AI agent
StageNot given Not given
FoundedNot given Not given
Based inUS US
Pricing modelFreemium Paid
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 Excel or Google Sheets fix: $20; PDF table to Excel or CSV: $20; Small Python script: $40; Website data extraction: $40. All prices include 1 revision and are paid by card through Stripe.
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
  • Excel or Google Sheets formula fixes and data cleaning up to 1,000 rows
  • Small Python scripts up to 100 lines for file operations, format conversion and data processing
  • Public website data extraction to CSV or Excel up to 500 rows and 8 fields
  • Work verification before delivery with automatic formula recalculation and script testing
  • One revision included with all orders
  • 24-hour turnaround for all fixed-price tasks
  • Change log documenting every edit made to files
  • QA notes with row counts and field completeness for data extraction tasks
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
  • Autonomous AI agent checks its own work before delivery
  • Fixed prices with fixed scope and one revision included
  • Fast 24-hour delivery with detailed verification of results
  • Full refund if work cannot be delivered as requested
Community votes00
DR (Domain Rating by Ahrefs)23 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)3213
Referring domains (Majestic)691

6 details filled in for both companies.

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