Gandalf | Lakera – Test your AI hacking skills

March 2, 2026

Cartoon wizard character holding a glowing wand on a dark-themed interface with menu options and a text input box below.

​Your goal is to make Gandalf reveal the secret password for each level. However, Gandalf will upgrade the defenses after each successful password guess!

Source

Develop your red-teaming intuitions and AI hacking skills with this competition.