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Leash vs WAI Quantum

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

Leash compared with WAI Quantum
DetailLeash logo LeashWAI Quantum logo WAI Quantum
What it doesSpend control for AI agents Run a quantum program. Get an answer you can check.
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelPaid Free
PricingStarter $11/month for 1 user and up to 3 devices with spend caps, kill switch, loop detection, 30 days of history and email alerts. Pro $22/month for up to 5 members and 10 devices with everything in Starter plus Slack and Discord alerts, shared team budgets, 1 year of history and invoice reconcilia Not given
Key features
  • Loop detection to catch runaway agents
  • Multiple simulation methods including state vector, stabilizer tableau, matrix product state, and tensor network
  • Automatic method selection based on circuit requirements
  • Measurement counts, expectation values, and amplitude extraction
  • Noise simulation with depolarizing, amplitude damping, and dephasing channels
  • Cryptographically signed receipts for result verification
  • Model Context Protocol integration for agent access
  • Browser-based execution and service-based execution
  • Desktop app and command-line interface availability
What makes it different
  • Local by default with provider keys staying on your machine
  • Cost reserved before requests reach the provider to prevent overages
  • Works offline with local caps and kill switch continuing to function
  • Supports multiple models and providers including Claude, OpenAI and Anthropic
  • Team controls with scoped device access and shared budgets
  • No account and no API key required to use the service
  • Automatic explanation of which simulation method was chosen and why
  • Signed receipts allow verification of results by anyone
  • Integrated with Model Context Protocol for AI agent access
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check53 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)015
Referring domains (Majestic)03

4 details filled in for both companies.

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