Multi-Model AI Routing: How to Run GPT-4, Claude, Gemini, and Llama Together Without the Chaos

Every serious AI team faces the same problem eventually. You started with one model, probably GPT-4. Then you added Claude for writing tasks because it was better. Then Gemini for vision. Then, a fine-tuned Llama for your specific domain. And now you have four different API keys, four billing dashboards, four sets of rate limits, […]