Simon Willison

@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

5,679 Following

248.9K Followers

Replies Reposts Media

Simon Willison
@simonw
10h
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
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 …
41
Simon Willison
@simonw
Oct 29
Fascinating case study of the sharpest edge of what you can do with agentic engineering in the Fable era - my eyebrows raised at least a dozen times while reading this
jacob
@jsnnsa
Oct 29
Article
How I Built the Most AI-Pilled Company in the World
Spawn is ten people. We spend 30x payroll on AI tokens and ship almost as much as Anthropic. In the last 30 days, Spawn shipped 77,000 substantial changes. That's about 108 an hour, around the clock.
207
Simon Willison
@simonw
Oct 28
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
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 …
408
Simon Willison
@simonw
Oct 27
These ones are pretty great!
Benj Edwards
@benjedwards
Oct 27
Replying to @benjedwards
Apple II Agent (Opus 5.5) drew a pretty good pelican riding a bicycle (cc: @simonw) on the Apple Ii Seen here in both color and monochrome
36
Simon Willison
@simonw
Oct 23
Pretty solid pelican tools.simonwillison.net/markdown-svg-r…
Kimi.ai
@Kimi_Moonshot
Oct 23
Introducing Kimi K3.1 Pro: our most capable 3T-class open-weight model. 🔹 1M-token context, 2.8T total / 104B active params (MoE), Multimodal. 🔹 Full-project coding: games in Unreal, Unity & Godot. 🔹 Excels at parametric 3D modeling in Blender & CAD. 🔹 More reliable at
72