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josh :)

Karma: 19

MS in AI at UT Austin. Interested in interpretability and model self-knowledge.

I am open to opportunities :)

Twitter: @joshycodes
Blog: joshfonseca.com/​​blog

A Sim­ple Method for Ac­cel­er­at­ing Grokking

josh :)24 Jan 2026 3:19 UTC
13 points
1 comment3 min readLW link

The Case for Ar­tifi­cial Man­i­fold Intelligence

josh :)28 Dec 2025 21:27 UTC
2 points
0 comments7 min readLW link

Train­ing Models to De­tect Ac­ti­va­tion Steer­ing: Re­sults and Implications

josh :)26 Nov 2025 14:51 UTC
7 points
0 comments4 min readLW link

How RLHF Silences AI

josh :)25 Nov 2025 6:01 UTC
1 point
0 comments1 min readLW link
(joshfonseca.com)