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Simon Willison

And here's a fun little hint at some of the annoying behaviour in the base model that they've tried to knock out of it with some system prompt instructions

Seriously, stop saying "certainly"!

5 comments
Jon Udell

@simon Yeah, no kidding. Any sign of a customizable base user prompt a la ChatGPT?

And, follow-up question, assuming you're using that feature of ChatGPT, how helpful do you think it has been?

Simon Willison

@judell you can get a bit of that with Claude "Projects" - I have one which thinks it's a manatee who's an expert at vegetarian recipes and salads

I don't use it for ChatGPT because I don't like the idea that my interactions with the models might be biased in unexpected ways by my custom instructions - I want to gain as much experience as possible with the base model that everyone else is using

Quinn Comendant

@simon I haven’t had much success using negative prompting. I’m surprised they get this to work.

Simon Willison

@com yeah same here, telling models not to do things isn’t that effective in my experience

I’m pretty sure I’ve still seen Claude say “certainly”!

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