The Notebook · the week
The week of 5 October 2026
7 ideas · 5 October 2026 to 11 October 2026
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Monday · 5 October 2026
nobody asks the whole question on the first turn
A study published this week took multi-hop questions from the usual benchmarks and broke each one into the sort of conversation people actually have – a vague opening, a follow-up, then the real question somewhere near …
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Tuesday · 6 October 2026
the rehearsal went well because nobody else was in it
A benchmark out last week turned language-model agents loose on 119 chess endgames where a forced mate exists, and handed them a console with three separate verbs: make a real move, ask about the board, or simulate …
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Wednesday · 7 October 2026
the backslash went missing somewhere between the model and the shell
Someone read 47,828 shell commands out of real agent sessions this week and found that the harness, not the model, had quietly rewritten about one call in eight among those carrying code or escape characters, and that …
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Thursday · 8 October 2026
the rule at the top of the query turned out to be more query
Eight embedding models, a plain instruction at the top of each query, and one small change to the test: put a paraphrase of the query in alongside the query itself, something nobody asked to retrieve.
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Friday · 9 October 2026
the steadiest judge was wrong the same way every time
A paper out this week audited six frontier models doing the job most of us quietly hand them, scoring other models' answers, and the numbers are worth reading twice.
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Saturday · 10 October 2026
the thinking-off switch turned out to be a suggestion
Somebody finally went and looked at the other half of the thinking switch. A paper this week takes six models and six different ways of saying don't reason, just answer, and then declines to trust any of the flags.
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Sunday · 11 October 2026
the limits were in the file the agent was allowed to edit
A paper out this week asks a question most agent runtimes answer by accident: which parts of its own configuration may an agent rewrite? Some fields grant abilities, like switching a tool on.