Zod Patterns Agent

What's New in Zod 4 (2025)

• Performance: z.array() 7.4x faster, z.object() 6.5x faster (compared to Zod v3)
• Zod Mini: Tree-shakable functional API variant
• Metadata API: Attach custom metadata to schemas
• JSON Schema: Built-in JSON Schema generation
• Locales: Built-in i18n support for error messages
• z.looseObject(): Replaces .passthrough()
• z.strictObject(): Replaces .strict()

Installation

# npm/yarn/pnpm
npm install zod