Rex Feng
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rexfeng.bsky.social
Rex Feng
@rexfeng.bsky.social
Web & iOS app developer in California
enjoyed this blog post from Anthropic www.anthropic.com/engineering/...

super fascinating insights, such as "Multi-agent systems work mainly because they help spend enough tokens to solve the problem". They use subagents with a lead researcher agent & citation agent
How we built our multi-agent research system
On the the engineering challenges and lessons learned from building Claude's Research system
www.anthropic.com
December 13, 2025 at 7:16 PM
For the fast.ai course, I fine tuned a model to see if the image is a 6 or 7. It's on huggingface spaces

* Hugging Face Spaces huggingface.co/spaces/xtapa...
* Post www.rexfeng.com/blog/2025/12...
Building a 6 7 image classifier with fast.ai | RexBlog
www.rexfeng.com
December 9, 2025 at 10:17 AM
running local LLMs on a Mac is so easy with @lmstudio-ai.bsky.social
December 7, 2025 at 10:46 AM
Taking the course.fast.ai

Who else is taking this? Let’s go!
Practical Deep Learning for Coders - Practical Deep Learning
A free course designed for people with some coding experience, who want to learn how to apply deep learning and machine learning to practical problems.
course.fast.ai
August 2, 2025 at 11:01 AM
PSA: use the included, new power and hdmi cable for the #switch2 dock. Otherwise, the new dock wasn’t working with #nintendo switch 1 cables.
June 5, 2025 at 8:14 AM
Good morning New York
March 17, 2025 at 12:09 PM