Anthropic is testing a way for Claude users to verify who they are, which would let the model treat a verified nurse asking about medication doses differently than an anonymous stranger asking the same question. This matters to you because it is the first time a major AI lab is trying to solve the 'but who is actually asking?' problem in a systematic way, which affects how useful, or how locked-down, these tools feel in your professional life.
Monday, June 22, 2026 · about a 2 minute read
Who Are You, Really
Today the question underneath a lot of AI news is trust: who is using these tools, and how much should the tools take their word for it.
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A project called Apertus launched an open foundation model aimed at governments and organizations that want to run AI without depending on American tech companies. If you work in a country, a company, or an industry where data sovereignty is a real concern, this is the kind of option that could eventually matter to your procurement decisions.
Someone fine-tuned a tiny local model, Qwen at just 0.6 billion , to sort questions into categories, and it worked well enough to impress a lot of people. The practical takeaway is that you do not always need a massive cloud-based model to do something useful, which has real implications for cost, privacy, and what you can run on your own hardware.
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is like taking a well-read generalist and giving them a focused apprenticeship in one specific job. The base model already knows language, reasoning, and a lot about the world. Fine-tuning just says: here are a few thousand examples of exactly the task I care about, now get good at that specific thing. The reason the Qwen story is interesting is that it shows how small the model can be and still do the focused job well, because you are not asking it to know everything anymore, just one thing.
Simon Willison shipped a new version of sqlite-utils with better support for database migrations, which is a small tool update but a signal worth noting: the serious AI builders are investing heavily in the unglamorous plumbing that makes data manageable. If you ever want to build something on top of a local model, clean data tooling is usually the part that trips you up first.
That's today. See you tomorrow.
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The book behind this newsletter
Just Predicting Words
How ChatGPT, Claude, and Modern AI Actually Work
The trick is small. The world it built is not.