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Machine Translation on FLORES-200 Spanish-Traditional Chinese (devtest)

14.47chrF++NLLB-200
3.51886.36199.20512.0481May 15, 2026

Evaluation results

MethodLinks
NLLB-200Size=1.3B, Checkpoint=Baseline2026.0514.47———
NLLB-200Size=600M, Checkpoint=Baseline2026.0513.9———
GRPO for Seq2Seq MTSize=1.3B, Checkpoint=grpo_best2026.055.039.28.611.5
GRPO for Seq2Seq MTSize=600M, Checkpoint=grpo_best2026.053.948.129.211.5