k6 vs Chromatic

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

Feature	k6	Chromatic
Pricing	Free / Cloud pricing	Free / $149+/mo
Rating	⭐ 4.6/5	⭐ 4.5/5
Categories	testing, monitoring-observability	testing
JavaScript scripts	✅	❌
CLI-first	✅	❌
Thresholds	✅	❌
Grafana integration	✅	❌
Browser testing	✅	❌
Cloud execution	✅	❌
Visual snapshots	❌	✅
UI review	❌	✅
Cross-browser	❌	✅
Storybook native	❌	✅
CI integration	❌	✅
Collaboration	❌	✅

Modern load testing tool for developers

Try k6 →

Visual testing and review for Storybook

Try Chromatic →