AdderBoard challenge: smallest transformer for 10-digit addition

Dimitris Papailiopoulos launched AdderBoard, a challenge to build the smallest transformer that adds two 10-digit numbers. In a head-to-head test, Codex trained a 1,644-parameter model versus Claude Code's 6,080.

2026-11-07 ~ 2026-11-07 · 2 related posts

• AdderBoard challenge: smallest transformer that adds two 10-digit numbers, records keep falling — DimitrisPapail · 2026-11-07
• Claude Code vs Codex: 6,080 vs 1,644 params for 10-digit addition transformer — DimitrisPapail · 2026-11-07