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OpenAI's Codex now encrypts instructions between AI agents, leaving developers blind to internal delegation

Since early June, OpenAI's coding tool Codex encrypts the instructions a main agent passes to its subagents, leaving developers unable to track internal task delegation. For the larger GPT-5.6 variants Sol and Terra, the encryption is mandatory.

read1 min views56 publishedJul 15, 2026

Since early June, OpenAI's coding tool Codex encrypts the instructions a main agent passes to its subagents. Developers can no longer track how tasks get delegated internally. For the larger GPT-5.6 variants Sol and Terra, the encryption is mandatory.

The article OpenAI's Codex now encrypts instructions between AI agents, leaving developers blind to internal delegation appeared first on The Decoder.

source & further reading
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