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Ava vs Vitest

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Ava

656.0 B gzipped

Most Popular

Vitest

42.7M weekly downloads

Best Maintained

Vitest

100/100 maintenance score

Highest Quality

Ava

80/100 quality score

Overall Pick

Vitest

Best all-around based on popularity, size, maintenance & quality

ava icon

ava

Popular

Version 7.0.0

0
84
Excellent

Node.js test runner that lets you develop with confidence.

Weekly Downloads
612.1K
5%
Bundle (gzip)
656.0 B
Updated
Vulns
0

Health Score Breakdown

Maintenance
80
Popularity
90
Quality
80
Security
100
Stability
70
vitest icon

vitest

Extremely Popular

Version 4.1.2

0
85
Excellent

Next generation testing framework powered by Vite

Weekly Downloads
42.7M
13%
Bundle (gzip)
553.1 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Ava and Vitest? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.

Downloads & Popularity

Vitest leads with 42.7M weekly downloads — roughly 69.7x more. Ava has 612.1K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Ava has the smallest gzipped bundle at 656.0 B. Vitest comes in at 553.1 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Vitest has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Ava has an overall health score of 84/100 (very good), with strong maintenance, quality, security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Ava if you value minimal bundle footprint, strong security track record. Choose Vitest if you value massive community and ecosystem, actively maintained, strong security track record.

Our Verdict

Both Ava and Vitest are solid choices for JavaScript development. Vitest has the edge in overall health score (85/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.

Frequently Asked Questions

Is ava better than vitest?
It depends on your needs. Ava has a health score of 84/100 while Vitest scores 85/100. Vitest has more weekly downloads (42.7M), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, ava or vitest?
Ava has the smaller gzipped bundle at 656.0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use ava vs vitest?
Based on npm download statistics, Ava has approximately 612.1K weekly downloads and Vitest has approximately 42.7M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, ava or vitest?
Vitest currently has the higher overall health score at 85/100. Ava has a maintenance score of 80/100 and Vitest scores 100/100 on maintenance.

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