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Promptfoo

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What is Promptfoo?

Promptfoo saves models, prompts, examples and pass criteria as a reusable evaluation. Run it again after a change and inspect the differences case by case. Security testing can also generate and run probes against authorized applications.

Who is Promptfoo for?

For AI teams validating prompts, retrieval workflows or model upgrades before release. You need a model or application endpoint to test.

Side-by-side model evaluation results from the official Promptfoo tutorial.

Free access

Community is free. External model providers may charge by usage. Enterprise and on-premise plans have custom pricing.

Platforms

CLINode.jsWeb UICI/CD

Compare results side by side

Compare output and pass status for two model configurations on the same inputs.

Side-by-side model evaluation results from the official Promptfoo tutorial.

Set up repeatable evaluations

Choose providers and prompts, then define examples and assertions.

Provider selection and setup steps in the official Promptfoo evaluation guide.

Inspect security reports

After testing an authorized application, review results grouped by risk category.

Risk severity summary in the official Promptfoo tutorial report.
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Promptfoo plans and pricing

Community

$0.00one-time

Community is free. External model providers may charge by usage. Enterprise and on-premise plans have custom pricing.

Enterprise

custom billing

Enterprise and on-premise plans are custom-priced.

Promptfoo

Compare models, prompts and AI application behavior with repeatable tests.

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Submit your tool

Submit once. Get listed permanently after approval.

  • Permanent product listing
  • 1–3 product links
  • Standard: review within 48 hours
  • Paid plans from $19
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