Promptfoo, Inc.
Promptfoo helps developers and enterprises build secure, reliable AI applications by providing automated red-teaming, evaluation, and security testing tools.
At a Glance
- Fortune 500 enterprises
- AI model laboratories
- SaaS and AI application developers
AI Tools by Promptfoo, Inc.
(1)promptfoo
LLM Security Testing Platform
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Latest News
OpenAI acquires Promptfoo to secure its AI agents
Promptfoo research reveals DeepSeek AI censorship patterns
Promptfoo Raises $18.4M Series A to Build the Definitive AI Security Stack
Podcast: Securing AI by Democratizing Red Teams with a16z
Products & Services
A command-line tool and library for evaluating LLM prompts, models, and RAGs. Includes automated red-teaming and vulnerability scanning.
A collaborative platform for teams that adds centralized security monitoring, compliance reporting, SSO, and CI/CD integration.
Full-control deployment on customer infrastructure for complete data isolation and security.
Market Position
Leading open-source-first framework for AI red-teaming and evaluation, favored for local execution and developer-centric workflow.
Leadership
Founders
Ian Webster
CEO & Co-founder. Previously Senior Staff Software Engineer at Discord, where he launched and scaled AI products including Clyde AI to over 200 million users.
Michael D'Angelo
CTO & Co-founder. Previously VP of Engineering at Discord, with extensive experience in scaling massive consumer AI products and engineering teams.
Executive Team
Ian Webster
CEO & Co-founder
Former Senior Staff SWE at Discord; background in scaling AI at massive scale.
Michael D'Angelo
CTO & Co-founder
Former VP of Engineering at Discord; expert in engineering management and AI systems.
Board of Directors
Founding Story
Founded by former Discord leaders who saw a gap in security tooling as AI systems grew more complex. They aimed to make AI security testing as automated and standard as unit testing.
Business Model
Revenue Model
Open-core model: free open-source tool with paid enterprise and on-premise subscriptions for collaboration, compliance, and monitoring features.
Pricing Tiers
Open-source LLM evaluation, red-teaming (10k probes/mo), run locally/self-host.
Team sharing, centralized security dashboard, custom red-team limits, SSO, managed cloud.
Full enterprise features deployed on user infrastructure with complete data isolation.
Target Markets
- Fortune 500 enterprises
- AI model laboratories
- SaaS and AI application developers
- Security red-teaming for enterprise compliance
- RAG performance and accuracy testing
- Autonomous agent security assessments
- Model selection and benchmarking
- Continuous monitoring of AI applications in production
- Semgrep
- Discord
- 30+ Fortune 500 companies