k6 vs Mock Service Worker

Side-by-side comparison of k6 and Mock Service Worker to help you choose the right tool.

Feature	k6	Mock Service Worker
Pricing	Free / Cloud pricing	Free
Rating	⭐ 4.6/5	⭐ 4.6/5
Categories	testing, monitoring-observability	testing, api-tools
JavaScript scripts	✅	❌
CLI-first	✅	❌
Thresholds	✅	❌
Grafana integration	✅	❌
Browser testing	✅	❌
Cloud execution	✅	❌
Network-level mocking	❌	✅
Browser & Node	❌	✅
TypeScript	❌	✅
REST & GraphQL	❌	✅
DevTools	❌	✅
Handlers	❌	✅

Modern load testing tool for developers

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API mocking for browser and Node.js