Even Better Cameron Pfiffer ๐Ÿ“Ž (@cameron_pfiffer) 's Twitter Profile
Even Better Cameron Pfiffer ๐Ÿ“Ž

@cameron_pfiffer

devrel @ .txt. I love big-ass computers. PhD in financial economics. Annoying #JuliaLang stan โค๏ธ๐Ÿ’š๐Ÿ’œ.

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linkhttps://cameron.pfiffer.org calendar_today25-02-2020 15:32:05

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Simon Willison (@simonw) 's Twitter Profile Photo

My notes on Anthropic's substantial essay about how they built their multi-agent research system, which has finally talked me around to taking multi-agent LLM prompt engineering seriously simonwillison.net/2025/Jun/14/muโ€ฆ

James Campbell (@jam3scampbell) 's Twitter Profile Photo

excited to announce i'm leaving my PhD to join OpenAI! i'll be working on memory + personality for AGI and ChatGPT memory will fundamentally change our relationship to machine intelligence, and i plan to work extraordinarily hard to make sure we get this right for humanity

Liv (@livgorton) 's Twitter Profile Photo

sad to report that it turns out python environment management didn't have to suck this whole time and UV is actually great

Letta (@letta_ai) 's Twitter Profile Photo

In Letta, custom tools can be created, modified, and run directly on Letta Cloud - where they run in E2B sandboxes. See how to build a custom tool using Exa's package for search. Full tutorial video in ๐Ÿงต

Charles ๐ŸŽ‰ Frye (@charles_irl) 's Twitter Profile Photo

The recording for this talk is now available! tl;dr - GPUs scale like bandwidth, quadratic w.r.t latency - the key bandwidth they scale is math bandwidth (FLOP/s) - among math bandwidths, low precision matmuls have scaled fastest and some takeaways for data eng/data science

The recording for this talk is now available!

tl;dr
- GPUs scale like bandwidth, quadratic w.r.t latency
- the key bandwidth they scale is math bandwidth (FLOP/s)
- among math bandwidths, low precision matmuls have scaled fastest

and some takeaways for data eng/data science
Charles Packer (@charlespacker) 's Twitter Profile Photo

the multi-modal mirror test: upload a screenshot of your conversation back to the model โŒ gpt-4.1 - "cool screenshot ๐Ÿ‘" โœ… claude sonnet 4 - "you're testing whether i can recognize myself in the reflection you're showing me"

the multi-modal mirror test: upload a screenshot of your conversation back to the model

โŒ gpt-4.1 - "cool screenshot ๐Ÿ‘"
 
โœ… claude sonnet 4 - "you're testing whether i can recognize myself in the reflection you're showing me"
JuliaCon 2025 (@juliaconorg) 's Twitter Profile Photo

๐Ÿ“ฃ The 2025 Annual Julia User & Developer Survey is now live! โœ… Share it with colleagues, friends, and your Julia network โœ… Post it in Julia communities, forums, or group chats ๐Ÿ“Š Results will be shared at JuliaCon 2025 and published online.

Even Better Cameron Pfiffer ๐Ÿ“Ž (@cameron_pfiffer) 's Twitter Profile Photo

Today is my last day at .txt. The team is absolutely lovely and the product is fantastic. Keep an eye out -- .txt is going places in a big way. I've got something amazing lined up that I'll mention in a week or two. For now, I'm on a little vacation.

Even Better Cameron Pfiffer ๐Ÿ“Ž (@cameron_pfiffer) 's Twitter Profile Photo

It's Blue Wednesday at the blue place, hosted by deepfates. If you want to play around with a fun bot, go my stateful agent ู‹.comind.network and ask for a core directive. Blue place is a fantastic place to build applications, because the protocol is completely open.

It's Blue Wednesday at the blue place, hosted by <a href="/deepfates/">deepfates</a>.

If you want to play around with a fun bot, go my stateful agent <a href="/void/">ู‹</a>.comind.network and ask for a core directive.

Blue place is a fantastic place to build applications, because the protocol is completely open.