Designing a multi-model AI router that doesn't fall over (cascade + circuit breaker)

The moment you add a second AI model to your app, you inherit a new class of production bug: the cascade. One provider has a bad day, your retry logic melts, and a simple 503 turns into a user-facing outage. I learned this the hard way running agents that call Claude, GPT-4o, and DeepSeek. Here's the pattern that fixed it. The problem with naive... Weiterlesen