Stop Guessing: Routing LLMs by Human Preference

Researchers at Katanemo Labs, Inc. built Arch-Router, a compact 1.5B model that aligns LLM routing with subjective human preferences using a Domain-Action Taxonomy. Hugging Face's CTO spotlighted it for their new Omni-router! 
Arxiv: https://arxiv.org/abs/2506.16655

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