5 Best LLM Routing Tools in 2026: Architectures, Latency, and Trade-Offs

TL;DR The best LLM routing tools decouple client applications from individual model APIs by automating provider failover, load distribution, and cost-aware model tiering. Bifrost ranks first as an open-source AI gateway written in Go that adds only 11 microseconds of latency overhead at 5,000 requests per second while unifying model routing,...