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Simon Willison

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@simonw

Creator @datasetteproj, co-creator Django. PSF board. Hangs out with @natbat. He/Him. Mastodon: fedi.simonwillison.net/@simon Bsky: simonwillison.net
San Francisco, CA simonwillison.net Joined November 2006
5.7K Following 252K Followers 62K Posts

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Simon Willison Verified account @simonw
There's a buzzy new paper about GPT-6 Astra being able to directly interpret model weights (prompts full of floating point numbers) - I tried it with Qwen 3.8 27B on my laptop and found that, after 45+ minutes, that model could achieve the same thing simonwillison.net/2026/Nov/3/qwe…
simonwillison.net Qwen 3.8 27B on my laptop can interpret model weights, too Yesterday’s hot paper was Sparks of Weight-Space Programming: LLMs can natively read & write neural network weights by Rikiya Takehi, Jayden Teoh, Alex Zhang, and Omar Khattab. The paper found …
413 replies 443 reposts 5.4K likes 337K views View on X
Simon Willison Verified account @simonw
In updating a graphic showing U.S. company AI adoption over time according to a long-running U.S. Census Bureau survey, I found out that the Bureau's work has been sullied by that asinine "Super Intelligence" executive order simonwillison.net/2026/Nov/2/cen…
simonwillison.net The U.S. Census Bureau and “Super Intelligence” I was reminded today of AI Adoption Rate Trending Down for Large Companies, a chart produced by Apollo Global Management in September 2025, which appeared to show a slowdown in …
53 replies 10 reposts 217 likes 58K views View on X
Simon Willison Verified account @simonw
I think October represents another inflection point in capabilities for coding agents and the models that drive them: Claude Opus 5.5 can now build video games that are actually fun simonwillison.net/2026/Oct/28/vi…
simonwillison.net The October inflection point for vibe game development I’ve written before about how November 2025 was an inflection point for coding agents—the point where Opus 4.5 and GPT-5.1 crossed a tipping point that meant their respective coding agents …
414 replies 76 reposts 1.4K likes 126K views View on X