Not Diamond
Not Diamond is a model router that analyzes your prompts and routes each one to the LLM most likely to perform best, based on task type and historical quality data. It supports GPT-4, Claude, Gemini, and more, reducing costs while maintaining output quality.
LiteLLM
OSS proxy that normalizes 100+ LLMs to the OpenAI format. Add routing, fallbacks, caching, and cost tracking in one layer.