You've built your AI-powered Next.js app. Now comes the critical step: deploying it reliably, affordably, and at scale. Here's the complete guide to deployment in 2026. The Deployment Landscape in 2026 Modern deployment for Next.js AI apps involves three concerns: Frontend hosting — Next.js app deployment AI API infrastructure — Claude/GPT API access Backend/API routes — Server-side logic Best Deployment Options Vercel — Best for Next.js Vercel is the creators of Next.js. Their platform is the most seamless deployment option: Pros: Zero-config deployment from Git Edge network for global performance Built-in image optimization Serverless functions for API routes Cons: Cold starts on free tier can be slow AI API calls from serverless functions add latency Usage-based pricing can scale unexpectedly Pricing: Free tier available, $20/month Pro for more resources Railway — Best for Custom Backend Railway gives you persistent containers with minimal configuration: Pros: Persistent servers (no cold starts) Support…