Promptfoo – AI Tool for Data Analysis

Evaluate and test LLM prompts automatically.

Categories: Data Analysis, Automation, Developer Tools

Rating:Not Yet Rated

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Pricing:Paid

TL;DR — Promptfoo

Evaluate and test LLM prompts automatically. Security: Published posture.

What is Promptfoo?

The LLM Prompt Testing tool is a library designed to evaluate the quality of LLM (Language Model Mathematics) prompts and perform testing. It provides users with the ability to ensure high-quality outputs from LLM models through automatic evaluations. The tool allows users to create a list of test cases using a representative sample of user inputs. This helps reduce subjectivity when fine-tuning prompts. Users can also set up evaluation metrics, leveraging the tool's built-in metrics or defining their own custom metrics.With this tool, users can compare prompts and model outputs side-by-side, enabling them to select the best prompt and model for their specific needs. Additionally, the library can be seamlessly integrated into the existing test or continuous integration (CI) workflow of users.The LLM Prompt Testing tool offers both a web viewer and a command line interface, providing flexibility in how users interact with the library. Furthermore, it is worth noting that this tool has been trusted by LLM applications serving over 10 million users, highlighting its reliability and popularity within the LLM community.Overall, the LLM Prompt Testing tool empowers users to assess and enhance the quality of LLM prompts, improve model outputs, and make informed decisions based on objective evaluation metrics.

Security Assessment

Security: Published posture

Published posture scored 12/20 or above. We check HTTPS, a reachable privacy policy, and stated compliance commitments. We do not perform security testing.

Last assessed: 22 August 2026

How this score was built

Each scored criterion links to the published page it was derived from. Unscored criteria are marked, not guessed. This listing has not been hands-on tested.

Security & Data Privacy
The privacy notice details how personal information is collected and used, indicating a commitment to data privacy.
Source: promptfoo.dev
8/10
Functionality & Features
The homepage outlines various features including red teaming, guardrails, and model security.
Source: promptfoo.dev
8/10
Ease of Use
Requires hands-on use of the product.
Not assessed
Pricing & Value
The pricing page clearly describes multiple plans, including a free tier for individual developers.
Source: promptfoo.dev
9/10
Reliability & Performance
Requires hands-on use of the product.
Not assessed
Integration Capabilities
No citable published evidence in this pass.
Not assessed
Customer Support
No citable published evidence in this pass.
Not assessed
Company Stability
The homepage includes an 'About' section that mentions the team and mission, indicating some level of company stability.
Source: promptfoo.dev
6/10
Update Frequency
No citable published evidence in this pass.
Not assessed
Startup-Friendliness
The pricing page offers a free tier specifically designed for individual developers and small teams.
Source: promptfoo.dev
10/10

Frequently Asked Questions

What is Promptfoo and what does it do?

Evaluate and test LLM prompts automatically.

What does Promptfoo cost in India?

Promptfoo is a paid tool.

Is Promptfoo safe for startups?

Promptfoo has a published security posture scoring 12/20 or above (HTTPS, a reachable privacy policy, and/or stated compliance commitments). We do not perform security testing.