ConceptMulti-model Fallback / 模型降级切换
Multi-Model Fallback
A fault-tolerance strategy that abstracts model adapter interfaces at the application layer to unify input and output contracts, switching to a backup model when the primary model service fails. It requires handling format differences and data compliance issues.
Timeline (last 90 days)
Oct 12
Multi-model fallback in practice is not simply replacing the call address with another provider's API; different models differ in output format, degree of instruction following, tool-calling JSON structure, context window, and even token billing method, and a direct switch may cause downstream parsing failures.
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