When do you need an LLM gateway?
Multi-model fallback, unified keys, caching, logs, and rate limits — a gateway beats scattered SDKs.
01 / Filter + rough cost
Feature checks and fees are example estimates — not official quotes.
Unlike Agent Budget Planner: this compares gateway/router selection and rough gateway fee/markup — not prompt-token breakdowns.
Runs locally in your browser. Inputs are not uploaded. Google Analytics records page visits only.
02 / Illustrative monthly cost
03 / Gateway matrix
Boundary vs Budget Planner
Budget Planner models workflow tokens; this page picks routers/gateways and sketches add-on cost.