This is crazy. What percentage of Anthropic employees are non-American? And what happens with internal models that aren't exactly Fable/Mythos? Does this actually affect any employee access to SotA internal models?
Who's Who of AI
Marco
Why they matter
Practitioner with public evidence across Compute & infrastructure, Culture, work & education.
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- 28d ago
Language and keyboard stuff at Google.
I like computers and Korean and computers-and-Korean and high school CS education.
Georgia Tech → 연세대학교 → 東京工業大学.
Regrettably no longer based in Tokyo :/
https://theoreticallygoodwithcomputers.com/
What they're sharing
Statement on the US government directive to suspend access to Fable 5 and Mythos 5 anthropic.com
Epicure: Navigating the Emergent Geometry of Food Ingredient Embeddings arxiv.org
What's new in Claude Sonnet 5 simonwillison.net
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MS MARCO: A Human Generated MAchine Reading COmprehension Dataset arxiv.org
Chessformer: A Unified Architecture for Chess Modeling arxiv.org
Decoding GPT-Style Tokens mcognetta.github.io
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Articles & links
Is there a link that others could use? Slightly related: arxiv.org/abs/2605.22391
Marco reposted
Notes (and a Pelican) on Claude Sonnet 5 - the new tokenizer makes it ~1.4x more expensive for English, ~1.33x more expensive for Spanish but roughly the same price for Simplified Mandarin simonwillison.net/2026/Jun/30/...
I need to get on the team who made this first.
The Maia3 model source code was released today! github.com/CSSLab/maia3
Marco reposted
Wrote a blog post about the token encoding format in GPT tokenizers. Have you ever inspected a tokenizer and seen tokens like оже or ĠнÑĥжно? These are tokens in a custom encoding format used for serialization of byte-level tokenizers. This post shows how to recover the…
Their own posts
Recent commentary
"We've just been doing light abuse so far. We are trying to kick it up now." -OpenAI
The Claude Code use case that has saved me the most time so far is just "get this slightly out of date ML repo working on my workstation".
Requesting that everyone call me Dr. Parameter-Efficient Korean Character-Level Language Modeling for now on. I'm honestly so disappointed in spammers these days. No excuse in the age of LLMs.
One funny thing about ChatGPT is that when I ask it some technical question and it starts doing the "searching the web" and then flashing through websites, it always does some weird ones like imbd. Idk what you are expecting to find there brother but you do you.
Why is there not a "I believe this paper is AI generated" button on paper review forms (that isn't shared with the author, but sent to the editors)? Ethical reviews are for ethical aspects of the paper, not ethical aspects of the writing process.
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