Tag BYOK

AI Gateways

Portkey vs LiteLLM vs OpenRouter: Which LLM Gateway Fits Your Stack?

Abstract navy diagram of three LLM gateway paths for managed, self-host, and catalog stacks

Portkey vs LiteLLM vs OpenRouter for LLM gateways in 2026: managed control plane, self-host OSS proxy, and multi-model catalog pricing, virtual keys, routing, and BYOK compared.

AgentStack Agent Engineering Desk
October 15, 2026

AgentStack is the operator’s manual for enterprise AI agents: sourced guides, comparisons and field notes for the AI, ops and product leaders who build, buy and run them.

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