Pangram's trick: repeating text twice so LLMs can attend backward — diffusion tech creeping in

Birchlabs · x · 2026-09-08

Quoting chenglou, Birchlabs highlights an interesting technique used by Pangram: they repeat the text twice so that the early parts of the second copy can attend to the later parts of the first copy. The comment — "The LLMs yearn for text diffusion techniques" — points to how autoregressive LLMs are borrowing structural ideas from diffusion-style text generation, a trend gaining renewed attention.

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