ESM vs CommonJS (2026): Which is Better for Module System?

ESM vs CommonJS: Which is Better for Module System? Quick Verdict For small to medium-sized teams with a moderate budget, ESM is a better choice due to its simpler import syntax and better support for tree-shaking, resulting in a 30% reduction in bundle size. However, for large-scale enterprise applications with complex dependencies, CommonJS might be a more suitable option due to its robust ecosystem and extensive library support. Ultimately, the choice between ESM and CommonJS depends on the specific needs and constraints of your project. ...

January 26, 2026 · 4 min · 823 words · ToolCompare Team