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Claude Sonnet 5 coding-agent routing, test repair, escalation, and fallback illustration

Architecture

Claude Sonnet 5 for Coding Agents: Default Route, Escalation, and Fallback Design

How teams should decide which coding-agent workloads start on Claude Sonnet 5, which escalate to Opus/Fable-class routes, and which stay on low-cost or fallback routes.

Architecture

Why Multi-Model AI Apps Need One Unified API Layer

Learn why multi-model AI apps need a unified API layer for model switching, routing, usage visibility, billing, cost control, fallback, and production-ready operations.