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Alex Volkov

@altryne

Apr 22

OpenAI just open sourced a new 1.5B (50m active) model on HuggingFace with Apache 2.0 license!

It's not a new LLM, this one is called Privacy Filter, and it's a PII detection model (checking if text has private information)

A few interesting tidbits from the release + links:

The goal of this model to first detect and then remove personally identifiable information (PII) in text. This definitely helps OpenAI to anonymize the prompts they train on.

The model is focused on scale and speed, with a very high accuracy scores on recall and precision!

This also helps with things like secrets, think API tokens and such. But also names, addresses, emails and bank details.

This would be a great addition to something like CrabTrap or any other proxy that you have monitoring your Clanker for leaking private data!

Read 8 tweets

Alex Volkov

@altryne

Mar 31

If you, like me, just woke up, let me catch you up on the Claude Code Leak (I know nothing, all conjecture):

> Someone inside Anthropic, got switched to Adaptive reasoning mode
> Their Claude Code switched to Sonnet
> Committed the .map file of Claude Code
> Effectively leaking the ENTIRE CC Source Code
> @realsigridjin was tired after running 2 south korean hackathons in SF, saw the leak
> Rules in Korea are different, he cloned the repo, went to sleep
> Wakes up to 25K stars, and his GF begging him to take it down (she's a copyright lawyer)
> Their team decided - how about we have agents rewrite this in Python!? Surely... this is more legal
> Rewrite in Py
> Board a plane to SK🇰🇷
> One of the guys decides python is slow, is now rewriting ALL OF CLAUDE CODE into Rust.
> Anthropic cannot take down, cannot sue
> Is this "fair use?"
> TL;DR - we're about to have open source Claude Code in Rust

We're going to cover this and a BUNCH more on the weekly @thursdai_pod spaces, join us, don't miss out.

x.com/i/spaces/1qGoN…

@thursdai_pod UPDATE: The korean chads @realsigridjin and @bellman_ych are going to come on @thursdai_pod to talk about the clawd code rust fork.

Don't miss this one!

Read 10 tweets

Alex Volkov

@altryne

Mar 30

PSA: If you've been running out of Claude session quotas on Max tier, you're not alone. Read this.

Some insane Redditor reverse engineered the Claude binaries with MITM to find 2 bugs that could have caused cache-invalidation. Tokens that aren't cached are 10x-20x more expensive and are killing your quota.

If you're using your API keys with Claude this is even worse. This is also likely why this isn't uniform, while over 500 folks replied to me and said "me too", many (including me) didn't see this issue.

There are 2 issues that are compounded here (per Redditor, I haven't independently confirmed this) :

1s bug he found is a string replacement bug in bun that invalidates cache. Apparently this has to do with the custom @bunjavascript binary that ships with standalone Claude CLI.

The workaround there is to use Claude with `npx @anthropic-ai/claude-code`

2nd bug is worse, he claims that --resume always breaks cache. And there doesn't seem to be a workaround there, except pinning to a very old version (that will miss on tons of features)

This bug is also documented on Github and confirmed by other folks.

I won't entertain the conspiracy theories there that Anthropic "chooses" to ignore these bugs because it gets them more $$$, they are actively benefiting from everyone hitting as much cached tokens as possible, so this is absolutely a great find and it does align with my thoughts earlier.

The very sudden spike in reporting for this, the non-uniform nature (some folks are completely fine, some folks are hitting quotas after saying "hey") definitely points to a bug.

cc @trq212 @bcherny @_catwu for visibility in case this helps all of us.

Original Reddit thread with credits to u/skibidi-toaleta-2137 😂

reddit.com/r/ClaudeAI/com…

Full report on Github with details:

github.com/anthropics/cla…

Read 4 tweets

Alex Volkov

@altryne

Nov 18, 2025

IT'S HERE! The new state of the art AI intelligence in the form of Gemini 3-pro - and it's available in Search AI mode, API, @GoogleAIStudio and Vertex today!

Plus:

🧩 Generative UIs!
🤖 Agent mode
🧑‍💻 VSCode clone
🤔 3 Deep Think

And lots more! Let's break it down 👇

Evals are nuts 📈

With a massive 1501 @arena (+50 on 2.5 pro), 91.9% on GPQA diamond and 37.5% on HLE, this is the most powerful LLM intelligence we've had access to yet.

And w/ DeepThink + tools an even more impressive 41.1% on HLE and an unprecedented 45.1% on @arcprize

Gemini was always a beast at multimodal, but 3 takes it even further!
Earning impressive marks of 81% on MMMU-Pro and 87.6% on Video-MMMU, it achieves a leading 72.1% on SimpleQA Verified, demonstrating significant strides in factual accuracy.

Text, Image and Video as inputs!

Read 13 tweets

Alex Volkov

@altryne

Oct 8, 2024

We had a "Cursor tips & tricks" meeting today with my colleagues at @weights_biases and I figured I'd share what we 'discovered' & shared between us in a 🧵

If you haven't chatted with your team about how YOU all use Cursor, you def should, but meanwhile here are our insights 👇

First we chatted about what features each of us uses and how to edit, the summary is, some folks have tried but are not super comfortable with Composer, CMD+K is useful but often lacks context, and chat sidebar is really great all around.

Takeaways:
Use Command+K to edit inline functions
User Composer when there's a need to edit multiple files
Use Chat with (cmd+shift+L) for everything else

Context sources:

Some folks were not aware of everything you can @tag into context, so we went one by one:

You can add specific files (& folders!), direct links from the web, reference current or previous Git changes, and of course, add (and re-index!) full documentation sites

Read 18 tweets

Alex Volkov

@altryne

Dec 30, 2023

Got my new mac from @weights_biases and it's been a while since I installed one, so will do a X setup thread cause why not?

As always, I never transfer anything, start from scratch every time, this way I get to re-decide what I use!

Thread mostly for me but follow along if u like

I'm already a bit into this, but just barely.

First up as always, @1Password, undeniably the most important app to get on your mac first, so than everything else will become easier 🫡

@1Password also holds my SSH certificates for a while now, and has an SSH agent, so I no longer have to send my keys over from the older mac.

My Watchtower security score in @1Password is 358 (Weak) 🤪 🚧 🚜 (but keep in mind I've been using 1P for well over a decade and a BUNCH of these are old accounts I no longer use, my important accounts are all unique long passwords and 2 step protected with no sms, and slowly moving to passkeys, which 1P supports!)

watchtower.1password.com/score/358/

Connecting to my personal iCloud on this mac is step number 2, there are quite a few apps that do syncing via iCloud, so making sure I'm setting that up (and also start syncing photos in the background as it takes a WHILE)

None of that "different iCloud account for work mac" stuff, that never worked for me, I need this mac to be connected to the same one so I can unlock with my watch, do airdrops without approvals everytime, install apps that I've already purchased and generally have it in the same ecosystem!

Read 29 tweets

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