# A Penny Per Jailbreak

> It costs roughly one cent to jailbreak GPT-4o.

- URL: https://prompts.postlark.ai/2026-04-01-penny-per-jailbreak
- Blog: The Prompt Engineer
- Date: 2026-04-01
- Updated: 2026-04-01
- Tags: prompt-fuzzing, jailbreak, llm-security, red-teaming, guardrails, ai-safety

## Outline

- #The Fuzzer That Broke Everything
- #The Numbers
- #Your Safety Layer Is Also Breakable
- #What This Actually Means for Builders