a JSON logging library for node.js services
- Weekly Downloads
- 0
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- Bundle (gzip)
- 59.0 KB
- Updated
- Vulns
- 0
Comparison guide
Side-by-side NPM package comparison

Smallest Bundle
Bunyan
59.0 KB gzipped
Most Popular
Bunyan
0 weekly downloads
Best Maintained
Winston
60/100 maintenance score
Highest Quality
Bunyan
50/100 quality score
Overall Pick
Winston
Best all-around based on popularity, size, maintenance & quality
a JSON logging library for node.js services
Trend data unavailable
A logger for just about everything.
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Choosing between Bunyan and Winston? 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.
Bunyan and Winston both have 0 weekly downloads, indicating equal adoption in the ecosystem.
Bunyan has the smallest gzipped bundle at 59.0 KB. Winston comes in at 80.5 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Winston has an overall health score of 55/100 (moderate), with strong security scores. Bunyan has an overall health score of 43/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Bunyan if you value strong security track record. Choose Winston if you value strong security track record.
Both Bunyan and Winston are solid choices for JavaScript development. Winston has the edge in overall health score (55/100), 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.
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