Grok 4(simonwillison.net)

280 points by coloneltcb 1 year ago | 189 comments

Prompt injection: what’s the worst that can happen?(simonwillison.net)

405 points by simonw 3 years ago | 182 comments

Simon Willison blog post explaining prompt injection vulnerabilities in LLM-based applications and the potential harms they can cause.

Delimiters won’t save you from prompt injection(simonwillison.net)

183 points by eiiot 3 years ago | 75 comments

Promising results from DeepSeek R1 for code(simonwillison.net)

926 points by k__ 1 year ago | 689 comments

Simon Willison blog post on a llama.cpp PR doubling WASM speed via SIMD, mostly written by DeepSeek R1, plus his own results using R1 for code.

Understanding GPT tokenizers(simonwillison.net)

380 points by simonw 3 years ago | 110 comments

Simon Willison blog post explaining how GPT tokenizers convert text to integer tokens, with an Observable notebook tool for encoding, decoding and searching tokens.

Mandelbrot in x86 Assembly by Claude(simonwillison.net)

52 points by gslin 1 year ago | 29 comments