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titotal

Karma: 9,190

I’m a computational physicist, I generally donate to global health. I am skeptical of AI x-risk and of big R Rationalism, and I intend on explaining why in great detail.

Six ex­per­i­ments with a sim­ple op­ti­mizer’s curse model

titotal5 Mar 2026 14:20 UTC
32 points
1 comment13 min readEA link
(open.substack.com)

The best cause will dis­ap­point you: An in­tro to the op­ti­misers curse

titotal11 Feb 2026 15:49 UTC
161 points
19 comments14 min readEA link
(open.substack.com)

Author, as­sis­tant, and per­sona: the metaphors I use for LLM chatbots

titotal4 Feb 2026 14:10 UTC
10 points
0 comments13 min readEA link
(titotal.substack.com)