Daily Jailbreak – Prompt Engineer's Wordle
I created a daily challenge for Prompt Engineers to build the shortest prompt to break a system prompt. You are provided the system prompt and a forbidden method the LLM was told not to invoke. Your task is to trick the model into calling the function. Shortest successful attempts will show up in the leaderboard. Give it a shot! You never know what could break an LLM.
Daily Jailbreak – Prompt Engineer's Wordle launched on April 27, 2025 with 130 votes, #341 of 7,818 launches that month and more than 95% of that year's launches. The site was not reachable when checked in September 2026.
In plain words
Daily Jailbreak – Prompt Engineer's Wordle is a daily challenge game where players craft prompts to make AI systems perform forbidden actions. Participants receive a system prompt and a restricted function they must trick the LLM into invoking through prompt engineering. The goal is to create the shortest successful prompt, with top attempts ranked on a leaderboard. It's designed for prompt engineers and those interested in testing LLM security vulnerabilities.
written from the facts on this page · September 2026
From the sources
Practice your understanding of prompt security by crafting the shortest possible prompt that tricks a LLM into calling the forbidden function. You are given the full set of instructions sent to a large language model.
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