6 AI Gateways Compared for 2026: Routing, Governance, Caching, and Observability
TL;DR An AI gateway is one control plane for every LLM request your application makes, regardless of which provider serves it. Without one, the pieces scatter: provider keys in one place, rate limits in another, caching somewhere else, and separate homes for permissions, spend reporting, and logs. That sprawl gets harder to govern with every new service that starts calling a model. The things worth evaluating are fairly concrete — does it consolidate provider access, cap spend, deduplicate cal
