ChatGPT Custom Instructions: How to Set Up (2026 Guide)
Set up ChatGPT custom instructions the right way - avoid the contradiction trap, handle the new Personality layer, and write rules that actually stick.
Learn how to use ChatGPT, Claude, Gemini, and other large language models effectively for work and creativity.
371 tutorialsSet up ChatGPT custom instructions the right way - avoid the contradiction trap, handle the new Personality layer, and write rules that actually stick.
Simon Willison's PyCon 2026 lightning talk just dropped. Here's what the last six months in LLMs actually mean for your workflow - with a hands-on test you can run today.
Gemini 3.5 Flash just dropped at Google I/O 2026. Here's how to actually use it, what it costs, and the gotchas hiding in the fine print.
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A trader used Claude to recover 5 BTC locked since 2015. Here's the actual method to use Claude for old wallet recovery - and what it can't do.
What Tim Gowers's viral ChatGPT 5.5 Pro experiment teaches you about prompting Pro for hard problems, plus a practical walkthrough.