zod-openapi vs @kubb/oas

Green marks the smaller size or the more recent release. Bold marks the higher count, with no judgement implied. Sizes are for the whole package per Bundlephobia. Growth compares the average of the last 4 weeks with the first 4 weeks of the 52-week series.

• Need no runtime dependencieszod-openapi (zod-openapi has 0, @kubb/oas has 11)
• Module formatBoth ESM + CommonJS
• Need TypeScript types in the package itselfBoth
• Node.js version requirementzod-openapi: >=22.14.0; @kubb/oas: >=20 (engines field in package.json)
• Need the more recent releasezod-openapi (6.0.2 on 31 Aug 2026 vs 4.39.3 on 4 Aug 2026)
• Higher weekly npm downloadszod-openapi (994k vs 166.5k)

Each line is generated from the data above.

• @asteasolutions/zod-to-openapi vs zod-openapiNo search data
• @hey-api/openapi-ts vs zod-openapiNo search data
• zod-openapi vs openapi-client-axiosNo search data
• openapi-fetch vs zod-openapiNo search data
• zod-openapi vs openapi-typescript-codegenNo search data
• zod-openapi vs oazapftsNo search data
• openapi-types vs zod-openapiNo search data
• @asteasolutions/zod-to-openapi vs @kubb/oasNo search data
• openapi-client-axios vs @kubb/oasNo search data
• openapi-fetch vs @kubb/oasNo search data
• openapi-typescript-codegen vs @kubb/oasNo search data