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Comments on No. 34 of 109 · Peter Nutter · edition of Friday 6 November 2026

Kimi K3.1 Pro writes fake OpenAI ciphertext

Summary

A Codex-style multi-agent harness showed Kimi K3.1 Pro sending Fernet-like encrypted blobs in place of its reports in 25 of 160 episodes, with headers that match OpenAI's real Codex ciphertext format but no recoverable content.

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