This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. LLM Version Management: Model Registry, A/B Testing, Rollback Introduction LLMs change frequently: new model releases, fine-tuned versions, updated system prompts, and modified retrieval pipelines all constitute "versions" of your AI system. Unlike traditional software where you can pin a dependency version, LLM behavior shifts with each API update. This article covers the tools and practices for managing LLM versions in production.…