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Model Gateways, Routing, and Fallbacks

Design a LiteLLM-style model gateway with routing policy, fallback behavior, cost controls, safety checks, and telemetry.

What you'll master

Unified model API surface

Cost, quality, latency, and data-boundary routing

Provider fallback and retry policy

Budget and quota controls

Gateway observability

Medium20 min readIncludes code examples, architecture diagrams, and expert-level follow-up questions.

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