Question 1

What is Promptfoo?

Accepted Answer

Open-source CLI and library for testing and evaluating LLM prompts. Run automated evals, red-team your models for safety, and catch regressions before they hit production.

Question 2

What is Promptfoo's ProductionFlow heat score?

Accepted Answer

Promptfoo has a heat score of 39 on ProductionFlow, placing it in the stable phase. It gained -19 points in the last 7 days. Heat scores range from 0–100 and reflect adoption velocity, community activity, and growth signals updated weekly.

Question 3

What trend phase is Promptfoo in?

Accepted Answer

Promptfoo is currently in the "stable" phase. ProductionFlow classifies tools into six lifecycle stages: emerging, rising, peak, stable, declining, and fading — based on 30 days of score history.

Question 4

How much does Promptfoo cost?

Accepted Answer

Promptfoo uses a free pricing model.