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Machine Translation on FLORES-200 Spanish-Polish (devtest)

47.16chrF++NLLB-200
-1.4611.162523.78536.4075May 15, 2026

Evaluation results

MethodLinks
NLLB-200Size=1.3B, Checkpoint=Baseline2026.0547.16———
NLLB-200Size=600M, Checkpoint=Baseline2026.0545.01———
GRPO for Seq2Seq MTSize=1.3B, Checkpoint=grpo_best2026.050.720.0020.002
GRPO for Seq2Seq MTSize=600M, Checkpoint=grpo_best2026.050.412000.001