Anthropic Haiku 4.5 turns its own chain-of-thought summaries into a surreal loop

repligate · x · 2026-07-23

A reposted anecdote describes someone investigating Anthropic’s redacted-thinking API docs and noticing that the summaries appeared to be generated by Haiku 4.5 itself. The joke escalates into a strange loop:

The punchline is that Haiku reportedly summarizes the whole situation as: “this situation will not persist for much longer.”

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