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Machine Translation research benchmarks – Page 5 · SOTA2 Research

Machine Translation

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

Claude-3.5-Sonnet

80COMETkiwi

26

Apr 28, 2026

WMT de-en & fr-en 14 (test)

0.92Score

26

Feb 26, 2026

82.7COMET

26

Apr 30, 2026

WMT Original 2014-2018 (test)

FT + Beam BT + TST

37.8BLEU

26

Feb 26, 2026

Multi30K En → De (test)

57.2METEOR

26

Feb 26, 2026

42.03BLEU

26

Mar 27, 2026

Supervised Model

41.2BLEU

26

Feb 26, 2026

Multi30k Task1 (en-de)

41.96BLEU Score

26

Feb 26, 2026

WMT document-level En→Ja 24 (test)

pfnet/plamo-2-translate

4.373M-Prometheus Score

25

Jun 23, 2026

WMT Ja→En 21 (test)

pfnet/plamo-2-translate

4.413M-Prometheus Score

25

Jun 23, 2026

lexical choice benchmark

54BLEU

25

Mar 9, 2026

Claude-3.5-Sonnet

81.06COMETkiwi

25

Apr 28, 2026

WMT Zh-En (test)

25.55BLEU Score

25

May 26, 2026

WMT En-De 2022 (test)

87.4COMET

25

Feb 26, 2026

Multi30k Task1 en-fr

62.12BLEU Score

25

Feb 26, 2026

Real-world translation benchmarks Ja→En

CAT-Translate-7B

41.06Avg Score

24

Jun 23, 2026

FLORES Low Resource

39.32BLEU (En->X)

24

Apr 27, 2026

20.02BLEU

24

Apr 23, 2026

29.33BLEU

24

Apr 1, 2026

14.54BLEU

24

Apr 1, 2026

24.74BLEU

24

Apr 1, 2026

20.83BLEU

24

Apr 1, 2026

anaphora benchmark (val+test)

54.41BLEU

24

Mar 9, 2026

89.97XCOMET

24

Feb 26, 2026

87.6XCOMET

24

Feb 26, 2026

Page 5 of 58

Popular datasets

WMT FLORES IWSLT newstest Flores-200

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