Side-by-side comparison · open source
Evidently vs promptfoo
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Open Source
Evidently
Evidently is an open-source ML and LLM observability framework. Evaluate, test, and monitor any AI-powered system or data pipeline. From tabular data to Gen AI. 100+ metrics.
Open Source
promptfoo
Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more.
Checked facts
Line by line
| Measure | Evidently | promptfoo |
|---|---|---|
| Latest version | 0.7.23 (for 11 Sept 2026) | 0.125.1 (for 25 Oct 2026) |
| GitHub stars | 7,942 | 25,466 |
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