Promptfoo Company Profile

Background

Overview

Promptfoo, founded in 2024, is a San Francisco-based company specializing in AI security testing and evaluation. The company offers an open-source platform designed to help developers and enterprises identify and mitigate vulnerabilities in large language models (LLMs) and generative AI applications. Its tools are utilized by over 100,000 developers and have been adopted by more than 30 Fortune 500 companies.

Mission and Vision

Promptfoo's mission is to empower organizations to build secure and reliable AI applications by providing comprehensive security testing solutions. The company's vision is to establish itself as the industry standard for enterprise AI security, enabling businesses to deploy AI systems with confidence.

Primary Area of Focus

The company's primary focus is on AI security, specifically addressing vulnerabilities in LLMs and generative AI applications. Promptfoo's platform offers tools for adaptive red teaming, model security, and evaluations to proactively identify and remediate risks before deployment.

Industry Significance

In the rapidly evolving AI landscape, ensuring the security of AI systems is paramount. Promptfoo plays a critical role by providing solutions that help organizations secure their AI applications, thereby contributing to the broader adoption and trust in AI technologies.

Key Strategic Focus

Core Objectives

Promptfoo aims to:

• Develop and maintain a comprehensive AI security testing platform.

• Expand its user base and enterprise adoption.

• Continuously enhance its tools to address emerging AI security challenges.

Specific Areas of Specialization

The company specializes in:

• Adaptive red teaming for AI applications.

• Model security assessments.

• Continuous monitoring and evaluation of AI systems.

Key Technologies Utilized

Promptfoo employs:

• Automated red-teaming techniques.

• Continuous integration and continuous deployment (CI/CD) pipeline integrations.

• Command-line interfaces for efficient testing.

Primary Markets or Conditions Targeted

The company targets:

• Enterprises deploying AI systems across various industries.

• Developers seeking to integrate security testing into their AI development workflows.

Financials and Funding

Funding History

Promptfoo has raised a total of $23.4 million over two funding rounds:

• Series A: $18.4 million on July 29, 2025, led by Insight Partners, with participation from Andreessen Horowitz.

• Seed Round: $5 million on July 23, 2024.

Notable Investors

Key investors include:

• Insight Partners

• Andreessen Horowitz

• Tobi Lutke, CEO of Shopify

• Stanislav Vishnevskiy, CTO of Discord

• Frederic Kerrest, Vice-Chairman & Co-Founder of Okta

• Adam Ely, EVP, Head of Digital Products, Fidelity CISO

Intended Utilization of Capital

The funds are allocated to:

• Scaling the team to meet growing demand.

• Accelerating platform development.

• Enhancing AI security solutions for enterprise clients.

Pipeline Development

Key Pipeline Candidates

Promptfoo's platform offers:

• Automated red-teaming tools for AI applications.

• Model security assessments.

• Continuous monitoring and evaluation services.

Stages of Development

The company is in the growth stage, focusing on expanding its user base and enhancing its platform's capabilities.

Target Conditions

Promptfoo addresses vulnerabilities such as:

• Prompt injection

• Data leakage

• Insecure tool use

Relevant Timelines for Anticipated Milestones

The company plans to:

• Expand its enterprise client base in the coming year.

• Release enhanced versions of its security testing tools.

Technological Platform and Innovation

Proprietary Technologies

Promptfoo's platform includes:

• Automated red-teaming capabilities

• Continuous integration and deployment (CI/CD) pipeline integrations

• Command-line interfaces for efficient testing

Significant Scientific Methods

The company employs:

• Automated penetration testing

• Continuous monitoring and evaluation

• Adaptive red-teaming techniques

AI-Driven Capabilities

Promptfoo's platform leverages AI to:

• Simulate adversarial attacks

• Identify vulnerabilities in AI systems

• Provide actionable remediation guidance

Leadership Team

Ian Webster

• Position: CEO & Co-founder

• Background: Led LLM engineering and developer platform teams at Discord, scaling AI products to 200 million users while maintaining rigorous safety, security, and policy standards.

Michael D'Angelo

• Position: CTO & Co-founder

• Background: Former VP of Engineering and Head of AI at Smile Identity, with experience scaling ML solutions to serve over 100 million people across hundreds of enterprises.

Ganesh Bell

• Position: Managing Director at Insight Partners

• Background: Invested in over 800 companies worldwide, with a focus on high-growth technology, software, and internet startups.

Zane Lackey

• Position: General Partner at Andreessen Horowitz

• Background: Founder of Signal Sciences, with extensive experience in security and technology investments.

Joel de la Garza

• Position: Investment Partner at Andreessen Horowitz

• Background: CISO at Box, with expertise in cybersecurity and enterprise technology investments.

Tobi Lutke

• Position: CEO of Shopify

• Background: Co-founder and CEO of Shopify, with a focus on e-commerce and technology innovation.

Stanislav Vishnevskiy

• Position: CTO of Discord

• Background: Co-founder and CTO of Discord, with experience in scaling communication platforms.

Frederic Kerrest

• Position: Vice-Chairman & Co-Founder of Okta

• Background: Co-founder and Vice-Chairman of Okta, with expertise in identity and access management.

Adam Ely

• Position: EVP, Head of Digital Products, Fidelity CISO

• Background: Executive Vice President and Chief Information Security Officer at Fidelity, with experience in digital products and cybersecurity.

Leadership Changes

As of February 6, 2026, there have been no publicly announced significant changes or appointments within Promptfoo's leadership team.

Competitor Profile

Market Insights and Dynamics

The AI security testing market is experiencing rapid growth due to the increasing adoption of AI technologies across various industries. Organizations are prioritizing the security of their AI systems to mitigate risks such as data breaches, adversarial attacks, and compliance violations.

Competitor Analysis

Key competitors in the AI security testing space include:

• Splunk

• Microsoft Security AI tools

• IBM Watson AI security

• SecurityScorecard AI Risk Module

• DeepCode AI security static code analysis

• Snyk Code AI security tools

• Lacework AI security platform

These companies offer platforms and services that provide AI system vulnerability detection, risk analysis, continuous monitoring, and remediation guidance. The competitive landscape is characterized by rapid innovation and growing demand as enterprises seek to secure AI deployments.

Market Positioning

Promptfoo differentiates itself with an open-source platform focused on adaptive red teaming and integration with developer workflows, making security testing accessible at various stages of AI application development. Its strong backing by venture capital and prominent investors supports its trajectory for growth and innovation in the AI security domain.