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Head-to-Head NPM Comparison

vitestvsmocha

Detailed package comparison for bundle size, weekly downloads, supply chain security, and license obligations.

Weekly Downloads Leader
vitest77.5M/wk
Security Grade Leader
Equal Rating100/100
TypeScript Ready
vitest
Specification
vitestv5.0.5
mochav12.0.3
Weekly Downloads77.5MWinner7.3M
Unpacked Size2.69 MB1.38 MB
Security Grade
A+(100/100)
A+(100/100)
Lifecycle Scripts Clean (No scripts) Clean (No scripts)
TypeScript Support Built-in Types (.d.ts)Community @types
License TypeMITPERMISSIVEMITPERMISSIVE
Direct Dependencies1316
Active Maintainers52
Last ReleaseOct 15, 2026Oct 1, 2026
Install Commandnpm i vitestnpm i mocha
Full Security ReportView vitest AuditView mocha Audit
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Frequently Asked Questions

Which package is more popular, vitest or mocha?
vitest is currently more popular with higher weekly downloads (77.5M/week) compared to mocha (7.3M/week).
Which has better supply chain security, vitest or mocha?
vitest has a security score of 100/100 (Grade A+), while mocha holds 100/100 (Grade A+). Both packages have equal security standings.
Do vitest and mocha provide TypeScript definitions?
vitest includes built-in TypeScript types, while mocha may require community @types definitions.
What licenses do vitest and mocha use?
vitest is published under the MIT license (PERMISSIVE), and mocha is licensed under MIT (PERMISSIVE).