README.md

https://medium.com/@yukinagae/generative-ai-evaluation-with-promptfoo-a-comprehensive-guide-e23ea95c1bb7

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To get started, set your OPENAI_API_KEY environment variable, or other required keys for the providers you selected.

Next, edit promptfooconfig.yaml.

Then run:

promptfoo eval

Afterwards, you can view the results by running promptfoo view