Glossary term
Glossary term
Evaluation and Benchmarks
Tracking prompt changes over time.
LangSmith provides prompt versioning with Git-like history - teams commit prompts with descriptions, compare versions side-by-side, and run evals to measure the impact of each change.
Anthropic's internal Workbench tool allows teams to version system prompts with semantic tags (e.g., v1.2-add-citation-instruction) and run A/B evals against a test set to validate improvements before deployment.
PromptLayer is used by a B2B SaaS company to version, tag, and A/B test prompts for their GPT-4-powered report-generation feature - measuring output quality improvement across 10 concurrent prompt experiments.