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

40.57chrF++NLLB-200
-1.47729.438920.35531.2711May 15, 2026

Evaluation results

MethodLinks
NLLB-200Size=1.3B, Checkpoint=Baseline2026.0540.57———
NLLB-200Size=600M, Checkpoint=Baseline2026.0538.2———
GRPO for Seq2Seq MTSize=600M, Checkpoint=grpo_best2026.050.36340.0080
GRPO for Seq2Seq MTSize=1.3B, Checkpoint=grpo_best2026.050.14400