+ Open Source
💻

Promptfoo

Build Secure AI Applications | Promptfoo

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Overview

The AI Security Platform that catches vulnerabilities in development. Trusted by 156 of the Fortune 500 and 300,000+ developers worldwide.

Focus Area

Open-Source CLI & Library for LLM Security, Testing, & Evaluation

Core Features & Capabilities

Evaluates LLM prompts, red-teaming security risks, and hallucination rates.
Runs automated regression testing across top model providers (OpenAI, Anthropic, Llama).
Operates locally via CLI or CI/CD pipelines to catch vulnerabilities early.

Best For

Automating code reviews and completions in-IDE
Converting text to natural-sounding voiceovers
Software Developers

Integrations

GitHubGitLabDiscordLinkedInAnthropicOpenAI

Architecture & Security

Open-Source Node.js CLI & Developer Library running local evaluation pipelines.

Pricing Details

100% Free open-source tool; Cloud enterprise platform options.

Quick Info

PricingFree
ComplexityAdvanced
DeploymentSelf-hosted
Time to ValueSetup required
API AvailableYes
Free TrialYes
Open SourceYes

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