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How do system prompt revisions affect regression testing across model versions?

System Prompts & Guardrails · 2 saved versions

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Version 1 (Edit)

Edited by Ishaan Patel · Aug 23, 2026 5:06 PM

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How do system prompt revisions affect regression testing across model versions?

Summary snapshot
Versioning system prompts alongside codebase git commits and running automated test suites.
Content snapshot
### Best Practices Store prompt files as code assets (`prompts/v1.2.txt`). Run CI/CD test suites evaluating response similarity, safety scores, and output format parsing on every PR.
Source snapshot

https://developers.google.com/search/docs

Version 1 (Original Post)

Published by Ishaan Patel · Aug 9, 2026 5:37 AM

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Post originally created and published to the Global Hub.

Original Title

How do system prompt revisions affect regression testing across model versions?

Original Summary
Versioning system prompts alongside codebase git commits and running automated test suites.
Original Content
### Best Practices Store prompt files as code assets (`prompts/v1.2.txt`). Run CI/CD test suites evaluating response similarity, safety scores, and output format parsing on every PR.
Original Sources

https://developers.google.com/search/docs