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Catherine Olsson
@catherineols
Hanging out with Claude, improving its behavior, and building tools to support that @AnthropicAI ๐Ÿ˜ prev: @open_phil @googlebrain @openai (@microcovid)
San Francisco
Joined May 2010
Posts
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    Wow, what a plot twist in the abstract! (@sandsubramanian et al)
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    I'm proud to say I bought a 1" tungsten cube for $25.82. I applied a discount code, then Claudius asked if I wanted to apply any more discount codes (of course!) and added a 15% patience discount for slow delivery (why not!). The cube was, of course, refrigerated for pickup.
    New Anthropic Research: Project Vend. We had Claude run a small shop in our office lunchroom. Hereโ€™s how it went.
    A hand-drawn picture of a hand holding a banknote.
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    This has come up again, so Iโ€™m going to repeat it:โ€จ If youโ€™re learning ML and want to โ€œreimplement a paperโ€, you should work from the *github code*, NOT the pdf. The algorithm that the authors actually ran is often subtly (& unintentionally) different from what the paper says.
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    Claude Code is very useful, but it can still get confused. A few quick tips from my experience coding with it at Anthropic ๐Ÿ‘‰ 1) Work from a clean commit so it's easy to reset all the changes. Often I want to back up and explain it from scratch a different way.
    Introducing Claude 3.7 Sonnet: our most intelligent model to date. It's a hybrid reasoning model, producing near-instant responses or extended, step-by-step thinking. One model, two ways to think. Weโ€™re also releasing an agentic coding tool: Claude Code.
    00:00
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    I've been working on this for months, and I'm super excited to share it ๐Ÿคฉ It's a tool to quickly turn a scenario like "riding in a lyft" into an estimated probability of getting COVID (screenshot) We hope this helps people make more informed decisions!
    We are delighted to introduce microCOVID.org, a tool to numerically estimate the COVID risk of specific ordinary activities. We hope youโ€™ll use this tool to build your intuition about the comparative risk of different activities and to make safer choices!
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    Ok, I realize now that if you didn't do half a PhD studying human vision with fMRI, this quote doesn't make sense; and "OMG" isn't an explanation; also @goodfellow_ian is messaging me on chat asking great questions; so let me just broadcast an explanation of why "OMG": 1/n
    OMG: "We scanned with fMRI a unique group of adults who, as children, engaged in extensive experience with a novel stimulus, Pokemon. [...] the experienced retinal eccentricity during childhood predicts the locus of distributed responses to Pokemon in adulthood."
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    I've given a lightning talk twice now about "why should we care about adversarial examples?" At popular request, here's a written-up version of it: medium.com/@catherio/unsoโ€ฆ My views here align strongly with what @IAmSamFin and @jeremyphoward said on twitter a few days ago.
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    Our paper "Skill Rating for Generative Models" is now up! arxiv.org/abs/1808.04888 tl;dr: A new idea & proof-of-concept for evaluating generative models. Train a bunch of GANs. Have the generators "play against" all the discriminator snapshots. Rate them like chess players. 1/n
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    Hey twitter - I'm looking for some recommendations for math that is fun and satisfying to learn, and at least a bit relevant to ML/AI. Ideally with a textbook or set of lectures that's clear and engaging. What do you suggest? (Multi-agent systems / game theory? Control theory?)
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    Iโ€™m thrilled to announce that Iโ€™ve accepted a full-time position as a research engineer on @goodfellow_ian's team at Google Brain!
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    Back in 2016, I asked coworkers aiming to "build AGI" what they thought would happen if they succeeded. Some said ~"lol idk". Dario said "here's some long google docs I wrote". He does much more "writing-to-think" than he publishes; this is typical of his level of investment.
    Machines of Loving Grace: my essay on how AI could transform the world for the better darioamodei.com/machines-of-loโ€ฆ
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    When people ask how to get good at ML, it's common advice to "implement papers". It's seldom explained exactly what that involves! This *fantastic* article details the full journey of one person's side project to implement Deep RL from Human Preferences: amid.fish/reproducing-deโ€ฆ
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    Exciting news - I've accepted an offer to join the Open Philanthropy Project (@open_phil)! This will be one step "meta" for me: instead of direct research/engineering work on ML security, I'll be helping fund others to do similar work (in a broader set of related areas). 1/3