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Papers Benchmarks Datasets Tasks

Machine Translation research benchmarks – Page 53 · SOTA2 Research

Machine Translation

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

Production Data English → French (production)

5.496Mean Side-by-Side Score

3

Feb 26, 2026

Production data English → Spanish

5.504Side-by-Side Score (Mean)

3

Feb 26, 2026

0.2Reward

3

Feb 26, 2026

92# Improved

2

May 20, 2026

FLORES-200 pol_Latn (devtest)

23.9Tie Rate (%)

2

May 18, 2026

FLORES-200 tur_Latn (devtest)

16Tie Rate (%)

2

May 18, 2026

FLORES-200 ben_Beng (devtest)

48.9Tie (%)

2

May 18, 2026

FLORES-200 zho_Hant (devtest)

24Tie %

2

May 18, 2026

Tibetan–Chinese Machine Translation

60.06Score

2

May 15, 2026

1.969PPL

2

May 7, 2026

WMT 2022 (test)

0.157BLEU

2

Apr 29, 2026

91.05Mean DA

2

Apr 28, 2026

85.65Mean DA

2

Apr 28, 2026

Custom Translation Dataset (test)

ReflectMT-Stage2

82.55GRF

2

Apr 23, 2026

1,200 sampled sentences En-De, En-Ru (test)

87.73Sent Score

2

Mar 27, 2026

Indic indigenous Languages

54F-score

2

Mar 27, 2026

Formosan languages

92F-score

2

Mar 27, 2026

Ancient (extinct) languages

100F-score

2

Mar 27, 2026

WMT Instruct 16

36.441BLEU (linewise)

2

Mar 18, 2026

Final MarianMT Model

39.66BLEU

2

Mar 4, 2026

FLORES-200 (dev)

Final MarianMT Model

28.48BLEU

2

Mar 4, 2026

FLORES-101 source: es (test)

20.8spBLEU (ar)

2

Feb 27, 2026

FLORES-101 source: te (test)

19.1spBLEU (ar)

2

Feb 27, 2026

Data Diversification

8.9SacreBLEU (detokenized)

2

Feb 27, 2026

Erzya universal-dependency treebank (test)

Erzya NMT system

5.44BLEU

2

Feb 27, 2026

Page 53 of 58

Popular datasets

WMT FLORES IWSLT newstest Flores-200

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