When running mission-critical LLM pipelines in production, relying on a single AI provider's API endpoint is an operational liability. Between Anthropic's intermittent 529 overload errors, OpenAI's sporadic rate limits (429), and vendor-specific latency spikes, hardcoded single-model integration...

Source: [Dev.to](https://dev.to/ancucorp/how-we-built-a-999-uptime-multi-model-ai-router-claude-gpt-4o-deepseek-in-n8n-without-2491)

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