RouteWorks/RouterArena

LLMRouter: An Open-Source Library for LLM Routing

Per-step LLM routing benchmark with 970 static labels, live SWE-bench evaluation, an open data pipeline, and a public leaderboard.

The code for the paper ROUTERBENCH: A Benchmark for Multi-LLM Routing System

[Findings@ACL'26] LLMRouterBench: A Massive Benchmark and Unified Framework for LLM Routing

Efficient LLM query routing via multi-sampling. BEST-Route selects both model and number of responses based on query difficulty, cutting costs by up to 60% with <1% performance drop. From the paper:https://arxiv.org/abs/2506.22716

A curated list of awesome works in Routing LLMs paradigm (👉 Welcome to submit your contributions to this code repository)

Route every prompt to the best LLM — for you specifically.

discover LLMs punching above their weight

A framework for serving and evaluating LLM routers - save LLM costs without compromising quality