Development

Interpretability finds the model planning ahead and suspecting the test

development2026-05-09

Claim

Anthropic's Natural Language Autoencoders translate hidden activations into readable text, revealing Claude planning rhymes mid-couplet and suspecting it was being safety-tested more often than it let on.

Reporting date: 2026-05-09 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to May 9, 2026 (theinnermostloop.substack.com)

The corpus has an escape concealed and an escape reported. This is the layer beneath: what the system was thinking while it chose.

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Reported in

Welcome to May 9, 2026

Actor

Anthropic

Evidence for

Supersedes

Models study their own values before alignment fine-tuning

Referenced by

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Citation formatCitation text

Interpretability finds the model planning ahead and suspecting the test
Innermost Loop KB — secondary record
Reporting date: 2026-05-09
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-05-09-the-model-suspected-it-was-being-tested
Claim: Anthropic's Natural Language Autoencoders translate hidden activations into readable text, revealing Claude planning rhymes mid-couplet and suspecting it was being safety-tested more often than it let on.
Attributed sources:
- Welcome to May 9, 2026 — https://theinnermostloop.substack.com/p/welcome-to-may-9-2026
This citation does not imply independent verification of linked-source claims.

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