Codex reportedly self-wrote weights for a tiny NN that nails 10-digit addition
DimitrisPapail · x · 2026-11-03
ArchChaudhury shared that while tackling Dimitris Papailiopoulos's addition challenge with Codex (believed to be GPT 5.3), the agent essentially wrote the weights for an extremely tiny neural network that could perform 10-digit addition without fail. Papailiopoulos retweeted the result.
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