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How to Deploy Phi-4 with ONNX Runtime on a $5/Month DigitalOcean Droplet: Lightweight Enterprise Inference at 1/200th Claude Cost

Stop overpaying for AI APIs. If you're running inference at scale, you're probably spending $500-2000/month on Claude or GPT-4 API calls. I built a production inference pipeline that costs $5/month and handles 10,000+ daily requests on a single DigitalOcean Droplet.

Here's the reality: 80% of inference workloads don't need Claude. They need fast, deterministic, cheap inference . Phi-4 is Microsoft's 14B parameter model that runs on CPU with ONNX Runtime. It's not magic. It's engineering.

This article walks you through deploying it. Real code. Real infrastructure. Real numbers.

Why This Matters Right Now

The economics have shifted. Three months ago, deploying small models on CPU wasn't worth the engineering effort.…