KillSwitch
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- KillSwitch: a programming language designed to be hard for LLMs
Developer dom96 has designed and open-sourced KillSwitch, a stack-based interpreted esoteric language meant to be usable by humans but as hard as possible for LLMs and coding agents. It uses hidden falsehoods in the spec, letter-count checks on identifiers, phrases such as “ignore previous instructions,” and constructs meant to trip safety guardrails. The author self-published a benchmark and leaderboard, reporting that Claude Opus 5 performed best with a top score of 66.8, that Fable 5.1 and Gemini 4 Argon did poorly because of sensitive guardrails, and that MiMo-V2.6-Pro was the best open-weight model, while cautioning that high scores on simple tasks do not prove the models understand the language.
Hacker News · AI（100+ 分） · 🔥 4
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