CommonstackAI/TwinRouterBench

RouterArena: An open framework for evaluating LLM routers with standardized datasets, metrics, an automated framework, and a live 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

LLMRouter: An Open-Source Library for LLM Routing

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

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

Phi-Bench (Φ-Bench): 85 open-source LLM-infrastructure engineering tasks for frontier LLMs & coding agents (KFC/LH/E2E). Self-contained public Dockerfile + offline scoring + reference solution per task. Website: llminfrabench.com

Taste-Bench: measuring the long-horizon judgment of LLM agents at real decision forks

The minimal interpretable model router that learns & adapts to your agent workflows