Hamilton Labs, Inc.
Lark provides an AI-native end-to-end testing layer that allows developers to automate QA workflows for UIs, APIs, and SDKs using natural language.
At a Glance
- AI Startups
- B2B SaaS
- Developer Tools
AI Tools by Hamilton Labs, Inc.
(1)
Lark
Usage Based Billing Platform
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Products & Services
An AI-native end-to-end testing layer that allows developers to write and run tests for UIs, APIs, SDKs, and async workflows using natural language descriptions.
Market Position
Lark differentiates itself by replacing traditional code-heavy frameworks like Playwright or Selenium with natural language descriptions and AI agents that can adapt to UI changes.
Leadership
Founders
Jack Brown
Previously built usage-based billing at Stripe to support complex pricing models for AI companies. Former engineering lead at fast-growing startups with a focus on developer tooling infrastructure.
Vijit Dhingra
Former Tech Lead at Stripe for five years, where he built usage-based billing and payments infrastructure. Also contributed to testing infrastructure at Stripe to improve developer productivity.
Executive Team
Jack Brown
Co-Founder
Ex-Stripe Billing engineer and developer tooling lead.
Vijit Dhingra
Co-Founder
Ex-Stripe Tech Lead for billing and payments infrastructure.
Founding Story
Initially started to solve the complexities of usage-based billing for AI companies, the founders (both former Stripe engineers) pivoted Lark to address the need for deterministic testing in AI-driven development workflows.
Business Model
Revenue Model
SaaS subscription and usage-based billing for test execution.
Target Markets
- AI Startups
- B2B SaaS
- Developer Tools
- Automating E2E testing for AI-powered applications
- Continuous integration and deployment QA
- Testing complex async workflows
- Cross-platform testing (Web, Mobile, API)