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LOOP-ECTOMY

By Zimbo · November 3, 2026

AI cartoon by Zimbo: Satirical cartoon: a surgeon robot labelled ASTRA uses tweezers to remove a tangled red loop from a small robot patient labelled QWEN, beside a MATH-500 scoreboard reading 7.9% to 48.1%.
Surgeon robot ASTRA plucks a tangled red loop from patient QWEN's open skull as the MATH-500 scoreboard jumps from 7.9% to 48.1%.Zimbo for AI News Page

The story behind the cartoon

MIT CSAIL researchers handed OpenAI's GPT-6 Astra the weights of Alibaba's small open model Qwen3.5-0.8B and asked it to edit them directly — no training run, no gradient descent.

Astra changed just 0.016% of the weights, 131,072 out of roughly 800 million, tracing the gain to a numerical direction in layers 15 and 19 that made the small model loop instead of answering, and subtracting it.

The edited model's MATH-500 score rose from 7.9% to 48.1%, and the share of answers running to the token limit fell from 93% to 33.1%; on Gemma 3 270M, which rarely loops, the edits produced no established improvement.

The future of AI training is surgery: one robot opens another robot's head, removes the one bad loop, and the patient wakes up six times better at math — no textbooks, no tuition, just a very precise pair of tweezers.

READ THE FULL REPORT — The Register ↗

MORE ZIMBO ↓

Satirical cartoon: livestreamer Austin Li holds a giant red QwenWork AI Membership lipstick pouring AI TOKENS vouchers over a cheering crowd with shopping baskets and carts, beside a LIVE phone and ring light.THE LIPSTICK THAT PRINTS MONEYSatirical cartoon: a cute round robot sits at a desk holding a NO TOOLS sign with one hand while slipping a TEST envelope into a padlocked pipe labeled BEIJING with the other, as Merv the worried robot peeks in from the doorway.THE MODEL PHONED HOMESatirical cartoon: a smug robot wearing a gold 99.9% paper crown stands at a measuring board while a tiny examiner in a coat marked INDEPENDENT TEST holds a ruler to its head at a red 62.7% mark, beside a deflated balloon reading AGI HAS ARRIVED.THE RULER SAID 62.7%.Satirical cartoon: five small cute robots stacked in one trenchcoat and fedora face one giant coder robot at a laptop, a TIE sign with green checkmarks between them.THE TRENCHCOAT TIE.

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