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Simon Willison's Weblog
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Latest posts
Last updated about 5 hours ago
Quoting OpenAI Codex base_instructions
about 5 hours ago
Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals...
Quoting Matthew Yglesias
about 14 hours ago
Five months in, I think I've decided that I don't want to...
What's new in pip 26.1 - lockfiles and dependency cooldowns!
about 22 hours ago
What's new in pip 26.1 - lockfiles and dependency cooldowns Richard Si...
Introducing talkie: a 13B vintage language model from 1930
1 day ago
Introducing talkie: a 13B vintage language model from 1930 New project from...
microsoft/VibeVoice
1 day ago
microsoft/VibeVoice VibeVoice is Microsoft's Whisper-style audio model for speech-to-text, MIT licensed and...
Tracking the history of the now-deceased OpenAI Microsoft AGI clause
1 day ago
For many years, Microsoft and OpenAI's relationship has included a weird clause...
Speech translation in Google Meet is now rolling out to mobile devices
1 day ago
Speech translation in Google Meet is now rolling out to mobile devices...
WHY ARE YOU LIKE THIS
3 days ago
@scottjla on Twitter in reply to my pelican riding a bicycle benchmark...
Quoting Romain Huet
4 days ago
Since GPT-5.4, we’ve unified Codex and the main model into a single...
GPT-5.5 prompting guide
4 days ago
GPT-5.5 prompting guide Now that GPT-5.5 is available in the API, OpenAI...
The people do not yearn for automation
4 days ago
The people do not yearn for automation This written and video essay...