Simon Willison’s Weblog

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Wednesday, 4th March 2026

Something is afoot in the land of Qwen

I’m behind on writing about Qwen 3.5, a truly remarkable family of open weight models released by Alibaba’s Qwen team over the past few weeks. I’m hoping that the 3.5 family doesn’t turn out to be Qwen’s swan song, seeing as that team has had some very high profile departures in the past 24 hours.

[... 705 words]

Agentic Engineering Patterns >

Anti-patterns: things to avoid

There are some behaviors that are anti-patterns in our weird new world of agentic engineering.

Inflicting unreviewed code on collaborators

This anti-pattern is common and deeply frustrating.

Don't file pull requests with code you haven't reviewed yourself. [... 331 words]

# 5:34 pm / ai, llms, ai-ethics, coding-agents, ai-assisted-programming, generative-ai, agentic-engineering, code-review

Tool NICAR 2026 Schedule — Browse the NICAR 2026 conference schedule with powerful search and filtering capabilities. This interactive schedule viewer lets you explore sessions across multiple days, filter by session type, track, and skill level, and save your favorite sessions for quick access. The schedule works offline using cached data and automatically syncs updates when you're back online.

The NICAR data journalism conference provides a copy of the schedule as CORS-enabled JSON, so I vibe coded my own mobile-friendly schedule app to help me keep track of the sessions I want to attend.

Museum The New York Earth Room — 141 Wooster Street, New York, NY 10012

On the second floor of 141 Wooster Street in New York's SoHo district there is a 3,600 square foot room filled with earth - 280,000 pounds of it, first installed in 1977 and maintained there ever since.

Photo of a flyer showing a photograph of the Earth Room - a glass wall about two feet high holds back a large file of dirt in a white room.
Tuesday, 3rd March 2026
Thursday, 5th March 2026

2026 » March

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