Training a 46M-param Luganda model: promising pretraining, but it collapses after two turns

weskambale · x · 2026-11-13

Developer weskambale shared progress on Pearl Chat, a new 46M-parameter native Luganda model. Pretraining shows promising modeling of syntax, spelling, and sentence structure, but the model collapses after just two conversational turns.

The team attributes this to a limited SFT dataset and has launched a data acquisition pipeline to collect more Luganda prose and conversations. Next experiment: a 150M-parameter model.

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