Simon Willison’s Weblog

Twitter pranksters derail GPT-3 bot with newly discovered “prompt injection” hack. I’m quoted in this Ars Technica article about prompt injection and the Remoteli.io Twitter bot.

Posted 16th September 2022 at 6:33 pm

Recent articles

Your job is to deliver code you have proven to work - 18th December 2025
Gemini 3 Flash - 17th December 2025
I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in 4.5 hours - 15th December 2025

security 570 twitter 160 gpt-3 67 openai 375 prompt-engineering 176 prompt-injection 138 generative-ai 1541 llms 1505 press-quotes 21

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe