Unverified50% confidenceSolutionExact time
When making API calls, a specific model version number rather than a generic alias should be specified to avoid being automatically routed to a new version; however, even with a locked version number, the service provider may still adjust underlying behavior without changing the version identifier.
1
Sources
50%
Confidence
Long-term
Relevance
8/15/2026
First Seen
Sources
Google AI模型突然变笨？模型退化现象的成因与应对策略
Related Claims
UnverifiedIn the Semantic Versioning specification, incrementing the major version number (MAJOR) is specifically used to indicate incompatible changes to the existing public API.72% similarUnverified模型版本号本身不等同于质量保证，中转服务可能实际调用蒸馏、量化或参数裁剪的衍生版本，用户难以从外部验证67% similarUnverifiedIn semantic versioning, incrementing the MAJOR version (e.g., 3.x→4.0) indicates the inclusion of breaking changes, such as deleting or renaming public APIs or modifying function signatures.66% similarUnverifiedIn the Semantic Versioning (SemVer) specification, the version format is MAJOR.MINOR.PATCH, and incrementing the major version number is used to indicate incompatible changes to the existing public API.65% similarUnverifiedUnsloth Studio's automatic switching path is safe by default: unknown model names will reuse the current model rather than triggering an unexpected download.64% similar
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