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.
Free trial: $100 in credits, no credit card required. Plus: $30/user/month with $30 usage included. Pro: $100/user/month or $200/user/month with corresponding usage included, each with pay-as-you-go beyond included usage.
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
Browser automation and computer control
Agentic apps built automatically without coding
Integration with frontier AI models from multiple providers
Works across team communication channels like Slack, Email, and Telegram
Media generation with 300+ image, video and audio models
Autonomous 24/7 cloud execution
Pre-built agent templates for sales, operations, marketing and support
Sandboxed agent execution with permission controls
Comprehensive audit logging of all agent actions
Open source and self-hostable under MIT license
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
No coding required to create and deploy agents
Shared team workspace for managing multiple AI agents together
Built-in safety and security with sandboxed execution and full audit trails
Agents run autonomously 24/7 in the cloud with scheduled and event-based triggers
Open source with option to self-host on your own infrastructure