adaptive-classifier: Cut your LLM costs with smart query routing (32.4% cost savings demonstrated)

Hey Folks! I’m excited to share a new open-source library that can help optimize your LLM deployment costs. The adaptive-classifier library learns to route queries between your models based on complexity, continuously improving through real-world usage…


This content originally appeared on DEV Community and was authored by Asankhaya Sharma

Hey Folks! I'm excited to share a new open-source library that can help optimize your LLM deployment costs. The adaptive-classifier library learns to route queries between your models based on complexity, continuously improving through real-world usage.

We tested it on the arena-hard-auto dataset, routing between a high-cost and low-cost model (2x cost difference). The results were impressive:

  • 32.4% cost savings with adaptation enabled
  • Same overall success rate (22%) as baseline
  • System automatically learned from 110 new examples during evaluation
  • Successfully routed 80.4% of queries to the cheaper model

Perfect for setups where you're running multiple LLama models (like Llama-3.1-70B alongside Llama-3.1-8B) and want to optimize costs without sacrificing capability. The library integrates easily with any transformer-based models and includes built-in state persistence.

Check out the repo for implementation details and benchmarks. Would love to hear your experiences if you try it out!

Repo - https://github.com/codelion/adaptive-classifier


This content originally appeared on DEV Community and was authored by Asankhaya Sharma


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Asankhaya Sharma | Sciencx (2025-01-22T03:30:08+00:00) adaptive-classifier: Cut your LLM costs with smart query routing (32.4% cost savings demonstrated). Retrieved from https://www.scien.cx/2025/01/22/adaptive-classifier-cut-your-llm-costs-with-smart-query-routing-32-4-cost-savings-demonstrated/

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