Promptfoo

Free tier

Platforms: api, linux | Last verified: 2026-04-08

Features

*Prompt evaluation CLI
*Regression testing
*Cost analysis
*Model comparison
*Dataset testing
*Webhook integration
*Web UI for results

Pricing

Free: Open-source CLI

Cloud Pro$20/month

Strengths

+Open-source and free
+Simple CLI interface
+Good cost tracking
+Easy setup

Limitations

-Limited GUI features
-Smaller ecosystem
-Cloud tier has limited features

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