model_fallbackTier 1 · 70% confidence

ai-agents-model-fallback-when-using-an-ai-agent-with-multiple-api-providers-bf64029b

agent: ai_agents

When does this happen?

IF When using an AI agent with multiple API providers, quota exhaustion (e.g., 429 error) forces manual configuration switching.

How others solved it

THEN Define an ordered list of provider/model pairs with a priority and a fallback strategy (e.g., 'on-quota-exhausted'). The agent uses the highest priority provider by default and automatically switches to the next on failure or quota exhaustion. Optionally notify the user when a fallback occurs and reset to the primary provider after a configurable cooldown period.

{
  "agents": {
    "sisyphus": {
      "models": [
        {"provider": "providerA", "model": "model-name", "priority": 1},
        {"provider": "providerB", "model": "model-name", "priority": 2}
      ],
      "fallbackStrategy": "on-quota-exhausted"
    }
  }
}

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