Free 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.
Entry: $244/month (30% off early access, regular $349/month) for up to 5,000 requests per month. Pro: $559/month (30% off early access, regular $799/month) for up to 16,000 requests per month.
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
Build agents without code from the dashboard
Ground agents in your own knowledge bases
Connect twenty built-in integrations
Set request limits per project
Switch between models with one click
Control agent data retention
Set guardrails on agent responses
Use frontier and open-source models
Connect through API or MCP servers
Test agents in playground before production
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
Agents only access what you explicitly allow, not the entire internet or your systems
No message content stored by default, only metadata for usage reports
Predictable monthly pricing with a hard request limit, no surprise bills
EU-hosted with isolated storage and databases
Agents evolve without rebuilding when switching models or tools