Choosing between tRPC and oRPC? This hands-on comparison explores type safety, OpenAPI support, performance, and real-world trade-offs to help you decide.

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tRPC and oRPC are both TypeScript RPC frameworks offering end-to-end type safety, but serve different needs. tRPC excels in TypeScript-only environments with minimal setup and instant type inference. oRPC extends this with built-in OpenAPI generation, enabling REST compatibility and multi-language support. The article provides hands-on demos of both frameworks, showing schema validation with Zod, type synchronization between client and server, and practical implementation patterns. Choose tRPC for internal TypeScript apps; choose oRPC when you need API documentation, external integrations, or polyglot team support.

tRPC vs oRPC: Which is better for your next TypeScript project, and why?

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