Huntr
Huntr is a bug bounty platform for AI/ML.
At a glance
Starts at
Free
No paid plan found on the vendor's site, September 2026.
Free tier
Yes
Platforms
Web
Best for
AI security researchers, hackers.
Not for
Beginner security researchers
3.9 out of 5
Scored by a Toolio reviewer after real useOur verdict
It's designed for competitive hacking and rewarding top performers. If you're just looking to test basic vulnerabilities in AI models, this might be overkill.
✓What it does well
Competitive RankingEarn advanced rankings based on performance.
Cash PrizesWin real cash for solving top-ranked challenges.
Transparent ProcessClear steps from challenge selection to ranking and rewards.
✕Where it falls short
No Basic ScansNot suitable for finding basic vulnerabilities in AI models.
Complex Challenges OnlyFocuses on complex challenges requiring advanced skills.
Limited PlatformCurrently only available online, no local or mobile apps.
Key features
ChallengesFeatures unique AI hacking challenges.
LeaderboardTracks performance on a public leaderboard.
Sponsored ChallengesSupported by major security firms like Palo Alto Networks.
keras model deserialization vulnerabilitiesexploits in keras lambda functions