Architecture
System design decisions, routing architectures, and infrastructure patterns for production AI systems.
5 posts
What Is an LLM Router? The Engineering Guide to Intelligent Model Selection
An LLM router analyzes each AI request and routes it to the optimal model based on cost, quality, and latency. Learn how routers work, the five routing architectures, and why they cut LLM costs by 60-85%.
Best AI Gateway & LLM Router in 2026: Independent Comparison
We compare Portkey, LiteLLM, OpenRouter, Helicone, Vercel AI Gateway, and NeuralRouting across 15 dimensions. No sponsored rankings — just data.
LLM Routing Explained: How Smart Model Selection Saves 85% on AI Costs
LLM routing automatically selects the cheapest model capable of handling each prompt. Here's how it works, why it matters, and how to implement it.
The FinOps Guide to AI Spending: How to Track and Control LLM Costs
LLM costs scale unpredictably. This guide covers budget caps, per-user attribution, cost anomaly detection, and ROI measurement for production AI systems.
AI Gateway Pricing Comparison 2026: Vercel AI, OpenRouter vs NeuralRouting
The AI gateway market has matured fast. We break down the real costs of Vercel AI, OpenRouter, and NeuralRouting — including what happens to your LLM bill at scale.