Simon Willison’s Newsletter
Subscribe
Sign in
Home
Archive
About
I think "agent" may finally have a widely enough agreed upon definition to be useful jargon now
Plus GPT-5-Codex, Qwen3-Next-80B, Claude Memory and more
Sep 18
•
Simon Willison
62
6
Latest
Top
Discussions
Claude's new Code Interpreter
Plus: Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide
Sep 9
•
Simon Willison
34
2
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search
And why the $1.5bn Anthropic books settlement may count as a win for Anthropic
Sep 7
•
Simon Willison
54
3
V&A East Storehouse and Operation Mincemeat in London
Plus DeepSeek 3.1, gpt-realtime, and prompt injection against browser agents
Sep 2
•
Simon Willison
22
Prompt injections as far as the eye can see
Plus open weight LLM performance across providers, Qwen Image Edit, Gemma 3 270M
Aug 21
•
Simon Willison
37
LLM 0.27, with GPT-5 and improved tool calling
Qwen3-4B-Thinking: "This is art - pelicans don't ride bikes!"
Aug 12
•
Simon Willison
23
1
GPT-5: Key characteristics, pricing and model card
Plus OpenAI's open weight models and a bunch more stuff about ChatGPT
Aug 8
•
Simon Willison
39
6
Reverse engineering some updates to Claude
Plus Qwen 3 Coder Flash, Gemini Deep Think, kimi-k2-turbo-preview
Aug 1
•
Simon Willison
32
1
See all
Recommendations
View all 7
Import AI
Jack Clark
Off-grid and Entertaining in Portugal
Alastair Leithead
One Useful Thing
Ethan Mollick
Latent.Space
Latent.Space
Exponential View
Azeem Azhar
Simon Willison’s Newsletter
About
Archive
Recommendations
Sitemap
