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Hark vs Letronna®

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

Hark compared with Letronna®
DetailHark logo HarkLetronna® logo Letronna®
What it doesA new kind of system for getting things done An AI agent with its own cloud and wallet
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Not given
PricingFree plan available. hark pro² at $20/month with 2× more usage. hark pro³ at $100/month with 10× more usage. All features available in all plans; upgrading increases usage capacity. Free: $0 forever with your own API keys. Pro: $20 per month with $20 of hosted credit a month (or $240 at once on yearly, save up to 17%). Team: $18 per seat, monthly, 2 to 5 people, with $18 of shared credit per seat monthly. Compute costs about $6 per GB a month from credit, charged by the second.
Key features
  • Persistent memory to tailor responses based on shared context
  • Computer use agent for browsing, research, and web tasks
  • End-to-end encryption for data security
  • Action Buttons for prioritized task completion
  • Email management and sorting
  • Flight booking and travel planning
  • Food ordering integration
  • Appointment booking and healthcare search
  • Expense auditing and savings recommendations
  • Real files, real commands, web access, and browser beside the chat
  • Memory written to disk as plain text you can edit and delete
  • Auto mode with safe judgment on your own model
  • Delegate work to helper agents sharing a task list
  • Chat apps: Telegram, Discord and Slack integration
  • Support for MCP servers, plugins and IDE integration
  • Cloud tasks that keep running after you close the app
  • Services that stay online with scheduler, webhook and watcher
  • Web apps with their own live link at letronna.si
What makes it different
  • Operates its own secure computer with full browser for independent task execution
  • End-to-end encryption vault for sensitive data protection
  • User approval required before performing sensitive actions
  • All features available across free and paid tiers
  • Runs locally with your own keys; nothing leaves your machine unless you connect a hosted model
  • Starts in 7.65 ms with 84% on Harness-Bench
  • Plain text memory files you can edit, not a black box
  • Works with any model: OpenAI-compatible, Anthropic, Ollama, llama.cpp or hosted
  • Pay only for hosted models and cloud compute, not per seat
Community votes00
DR (Domain Rating by Ahrefs)69 +1 (up) since last check20 +2 (up) since last check
Trust Flow (Majestic)240
Citation Flow (Majestic)400
Referring domains (Majestic)17660

4 details filled in for both companies.

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