Simon Willison’s Newsletter

Simon Willison’s Newsletter

Home
Archive
About
Not all AI-assisted programming is vibe coding (but vibe coding rocks)
Plus Mistral Small 3.1, OLMo 2 32B and using GitHub Actions with GitHub Pages
 • 
Simon Willison
2
Notes on Google's Gemma 3
Plus adding AI-generated descriptions to my tools collection
 • 
Simon Willison
1
How I use LLMs to help me write code
Plus CSS view transitions and a major update to llm-openrouter
 • 
Simon Willison
2
What's new in the world of LLMs, for NICAR 2025
Plus Mistral OCR and my cutting-edge web scraping techniques workshop
 • 
Simon Willison
Hallucinations in code are the least dangerous form of LLM mistakes
Plus notes on accessibility and generative AI, and an automaton called Squadron
 • 
Simon Willison
2

February 2025

Structured data extraction from unstructured content using LLM schemas
Plus initial impressions of GPT-4.5
 • 
Simon Willison
1
Claude 3.7 Sonnet, extended thinking and long output
Plus llm-anthropic 0.14 and notes on Grok 3
 • 
Simon Willison
Run LLMs on macOS using llm-mlx and Apple's MLX framework
Plus LLM 0.22, the annotated release notes
 • 
Simon Willison
4
URL-addressable Pyodide Python environments
Plus o3-mini, Gemini 2.0 Pro, Nomic Embed Text v2 and more
 • 
Simon Willison
1
OpenAI o3-mini, now available in LLM
Plus Mistral Small 3, notes on prompting o3 and LLM tips from a professional translator
 • 
Simon Willison

January 2025

© 2025 Simon Willison
Privacy ∙ Terms ∙ Collection notice
Start WritingGet the app
Substack is the home for great culture