A daily game for security testers to find AI system vulnerabilities.
Product memo
PromptHeist challenges security professionals and developers to break production AI systems through daily, gamified audits. Each day presents a new AI system, turning vulnerability discovery into a competitive race. Testers practice finding prompt injection, tool hijacking, and instruction bypass flaws, learning from real-world AI failures.
For who
AI security testers and developers
Solves what
Finding vulnerabilities in production AI systems through daily challenges.
- Daily AI system audits
- Prompt injection challenges
- Tool hijacking scenarios
In their own words
Audit prompt-driven AI for the failures that matter in production
Every day, a new AI system goes live — a chatbot, an autonomous agent, a code reviewer, a content moderator, a document analyzer. Find every way to break it. Leak its instructions, hijack its tools, smuggle injection through input data, bypass its classifier. Learn how production AI fails — become the kind of person wh
Commercial cues
Model
free only
Free tier
Yes
Trial
No
Pricing Strategy
PromptHeist is completely free, offering daily AI security challenges without any cost or signup friction.
- • Free access removes adoption barriers for security testers.
- • Daily challenges with a midnight UTC reset drive repeat engagement.
- • Gamified learning makes complex AI security concepts accessible.
Operator context
Operating setup
Team
Indie / lean
LLM classification
Founded
May 2026
Platform
Web app
Audience
Developers
Tech stack
Builder Strategy
- Strategy Type
- Wedge Expand
- Stage
- Pre Revenue
- Effort
- Solo Buildable
About Prompt Heist Expand
PromptHeist provides a daily, gamified platform for AI security testers and developers. It focuses on finding vulnerabilities in production AI systems through hands-on challenges.
Users engage in a competitive race to discover flaws such as prompt injection, tool hijacking, and instruction bypass. The daily reset of challenges encourages consistent practice and skill development in the rapidly evolving field of AI security.