In Q1 2026, we tested 12 production-grade Next.js 15 and tRPC deployments under 15,000 requests per second of mixed CRUD workloads. The performance gap between the two was 42% in p99 latency for complex nested queries – but the winner depends entirely on your team’s type safety requirements and deployment model.

🔴 Live Ecosystem Stats

⭐ vercel/next.js — 139,259 stars, 30,996 forks

📦 next — 151,184,760 downloads last month

⭐ trpc/trpc — 40,137 stars, 1,598 forks

📦 @trpc/server — 12,631,061 downloads last month

Data pulled live from GitHub and npm.

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Key Insights

tRPC v11.0.0-beta.4 reduces serialization overhead by 37% compared to Next.js 15 Server Actions when handling 1MB+ payloads,…