LLM Gateway & Routing · Vendor file
Portkey
portkey.aiEnterprise AI gateway for LLM routing, observability, guardrails, and cost management
Active · verified June 2026
Categories Portkey serves
The B4 Index places Portkey in 2 categories. Each category page lays out the build-versus-buy considerations for that decision.
LLM Gateway & Routing Primary $49/month starter. Enterprise $5K+/month.
Semantic Caching & LLM Cost-Routing Layer Free tier; usage/seat-based; semantic cache
The B4 Index scores every software category on two axes, strategic differentiation and AI feasibility, to
classify it Build, Buy, Bridge, or Beware. Vendor facts here are independent of that call. See the full
methodology.