Wei (Jack) Sun — Daily AI digest

Tuesday, October 13, 2026

3 tracks · 11 + 12 + 13 min Subscribe

Edited by Jack Sun — Agent-framework builder. Three feeds I read every day. About

Today.

Three tracks · one lead each

AI Tech

Models, tools, and the silicon underneath.

Tue, Oct 13

Python 3.15 lazy imports, Anthropic workflows win 90%, Willison guards secrets

Python 3.15's lazy imports, Anthropic's workflow patterns, and Willison's off-LLM editor each hand-roll scaffolding runtimes and agents won't supply.

11 min All AI Tech

AI Research

Papers, methodology, and what’s replicable.

Tue, Oct 13

GLM-5.2 worm hits 8/8, Claude CoT guard cracked, looped transformers hide state

Model transparency erodes across three fronts today: worm inheritance, cracked CoT guards, and loop-induced neuralese warnings from safety researchers.

12 min All AI Research

AI News

Daily wire — what shipped, what didn’t hold up.

Tue, Oct 13

Meta gates Muse Wonder Full, Maia 300 unverified, Anthropic held homicide tip

Meta, Microsoft, and Anthropic each park the verifiable detail behind a paywall, a 2027 ship date, or a two-month delay.

13 min All AI News

Today.

Python 3.15 lazy imports, Anthropic workflows win 90%, Willison guards secrets

GLM-5.2 worm hits 8/8, Claude CoT guard cracked, looped transformers hide state

Meta gates Muse Wonder Full, Maia 300 unverified, Anthropic held homicide tip

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Jack Sun, writing.