Far Beyond Human.

Anthropic’s Claude Opus 4.6.

Feb 06, 2026

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This “one item” edition of News Items features excerpts from the most recent edition of Dr. Alan D. Thompson’s newsletter, “The Memo”. The topic is the release of Anthropic’s Claude Opus 4.6.

From '“The Memo”:

I don’t want to alarm anyone, but this frontier model is far, far beyond human. My testing (including the ALPrompts later in this edition) showed unexpected and complete patterns of responses. Perhaps for the first time, this model feels both superhuman and complete. I couldn’t trick it, it’s incredibly grounded (it knows when it’s being tested on hallucinations), and the overall quality has jumped significantly. One Anthropic researcher below noted that it provided a 700% uplift to their productivity.
Here are the most interesting points from the paper and testing:

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