# openrouter-model-routing > Implement advanced model routing with A/B testing. Use when optimizing model selection or running experiments. Trigger with phrases like 'openrouter a/b test', 'model experiment', 'openrouter routing', 'model comparison'. - Author: Dicklesworthstone - Repository: Dicklesworthstone/pi_agent_rust - Version: 20260205184411 - Stars: 376 - Forks: 4 - Last Updated: 2026-02-06 - Source: https://github.com/Dicklesworthstone/pi_agent_rust - Web: https://mule.run/skillshub/@@Dicklesworthstone/pi_agent_rust~openrouter-model-routing:20260205184411 --- --- name: openrouter-model-routing description: | Implement advanced model routing with A/B testing. Use when optimizing model selection or running experiments. Trigger with phrases like 'openrouter a/b test', 'model experiment', 'openrouter routing', 'model comparison'. allowed-tools: Read, Write, Edit, Grep version: 1.0.0 license: MIT author: Jeremy Longshore --- # OpenRouter Model Routing ## Overview This skill covers advanced routing patterns including A/B testing, gradual rollouts, and performance-based model selection. ## Prerequisites - OpenRouter integration - Metrics collection capability ## Instructions Follow these steps to implement this skill: 1. **Verify Prerequisites**: Ensure all prerequisites listed above are met 2. **Review the Implementation**: Study the code examples and patterns below 3. **Adapt to Your Environment**: Modify configuration values for your setup 4. **Test the Integration**: Run the verification steps to confirm functionality 5. **Monitor in Production**: Set up appropriate logging and monitoring ## Overview This skill covers advanced routing patterns including A/B testing, gradual rollouts, and performance-based model selection. ## Prerequisites - OpenRouter integration - Metrics collection capability ## Intelligent Model Selection ### Multi-Criteria Router ```python from dataclasses import dataclass from typing import Callable, Optional import re @dataclass class ModelProfile: id: str ## Detailed Reference See `{baseDir}/references/implementation.md` for complete implementation guide.