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simonw

120,442 karma · joined October 29, 2007

JSK Fellow 2020. Creator of Datasette, co-creator of Django. Co-founder of Lanyrd, YC Winter 2011.

https://simonwillison.net/ and https://til.simonwillison.net/

submissionscomments

Design Patterns for Securing LLM Agents Against Prompt Injections

simonwillison.net·110 pts·simonw·
28

The last six months in LLMs, illustrated by pelicans on bicycles

simonwillison.net·7 pts·simonw·
0

Show HN: My LLM CLI tool can run tools now, from Python code or plugins

simonwillison.net·529 pts·simonw·
165

Watching o3 guess a photo's location is surreal, dystopian and entertaining

simonwillison.net·987 pts·simonw·
433

AI assisted search-based research works now

simonwillison.net·283 pts·simonw·
147

Image segmentation using Gemini 2.5

simonwillison.net·2 pts·simonw·
0

CaMeL offers a promising new direction for mitigating prompt injection attacks

simonwillison.net·5 pts·simonw·
0

Model Context Protocol has prompt injection security problems

simonwillison.net·6 pts·simonw·
8

Long context support in LLM 0.24 using fragments and template plugins

simonwillison.net·1 pts·simonw·
0

Here's how I use LLMs to help me write code

simonwillison.net·68 pts·simonw·
4

Structured data extraction from unstructured content using LLM schemas

simonwillison.net·3 pts·simonw·
0

Claude 3.7 Sonnet, extended thinking and long output

simonwillison.net·3 pts·simonw·
0

Run LLMs on macOS using LLM-mlx and Apple's MLX framework

simonwillison.net·6 pts·simonw·
0

Ask HN: Is your company running any "agents", Jan 2025 edition

5 pts·simonw·
0

Qwen2.5-7B-Instruct-1M and Qwen2.5-14B-Instruct-1M

simonwillison.net·98 pts·simonw·
2

Anthropic's New Citations API

simonwillison.net·4 pts·simonw·
1

Generative AI – The Power and the Glory

about.bnef.com·4 pts·simonw·
1

Agents – Adapted from the AI Engineering Chapter by Chip Huyen

huyenchip.com·5 pts·simonw·
0

Things we learned about LLMs in 2024

simonwillison.net·984 pts·simonw·
582

My Approach to Building Large Technical Projects (2023)

mitchellh.com·2 pts·simonw·
1

Trying out QvQ – Qwen's new visual reasoning model

simonwillison.net·236 pts·simonw·
82

Building Python tools with a one-shot prompt using uv run and Claude Projects

simonwillison.net·1 pts·simonw·
0

Clio: A system for privacy-preserving insights into real-world AI use

anthropic.com·133 pts·simonw·
40

Gemini 2.0 Flash: An outstanding multi-modal LLM with a sci-fi streaming mode

simonwillison.net·8 pts·simonw·
0

I can now run a GPT-4 class model on my laptop

simonwillison.net·96 pts·simonw·
34

First impressions of the new Amazon Nova LLMs (via a new LLM-bedrock plugin)

simonwillison.net·9 pts·simonw·
3

Qwen2.5-Coder-32B is an LLM that can code well that runs on my Mac

simonwillison.net·4 pts·simonw·
1

You can now run prompts against images, audio, video in your terminal using LLM

simonwillison.net·4 pts·simonw·
0

Everything I built with Claude Artifacts this week

simonwillison.net·7 pts·simonw·
0

Experimenting with audio input and output for the OpenAI Chat Completion API

simonwillison.net·2 pts·simonw·
0
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