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Speech-to-text Translation research benchmarks · SOTA2 Research

Speech-to-text Translation

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

CoVoST low-resource X-to-En 2 (test)

25.2BLEU (Avg)

24

Feb 26, 2026

Audio-Interaction

35.21BLEU

17

Jun 4, 2026

MuST-C En-X (tst-COM)

30.1BLEU (German)

16

Feb 26, 2026

86.3Avg. Score

15

May 21, 2026

38.2Average BLEU

14

Jul 7, 2026

Audio-Interaction

55.22BLEU

13

Jun 4, 2026

MuST-C (En-Ru) 1.0 (test)

End-to-end (w2v2-mBART)

20BLEU

12

Feb 26, 2026

37Average BLEU

10

May 21, 2026

English-to-Chinese (En->Zh)

49.1BLEU Score

10

May 21, 2026

English-to-German En->De

34BLEU Score

10

May 21, 2026

IWSLT25Instruct en-de

37.67BLEU

10

Mar 13, 2026

FLEURS 9×27 directions (test)

78.7ara

10

Feb 26, 2026

FLEURS supervised training languages (test)

POTSA (Our Model)

40.87BLEU (en→zh)

9

Mar 31, 2026

FLEURS zero-shot evaluation languages (test)

POTSA (Our Model)

20.84Average BLEU

8

Mar 31, 2026

FLEURS 9×69 directions (test)

79ARA Score

8

Feb 26, 2026

38.5BLEU

8

Feb 26, 2026

MuST-C En-Ro 1.0 (test)

23.8BLEU

8

Feb 26, 2026

MuST-C En-Pt 1.0 (test)

31.1BLEU

8

Feb 26, 2026

MuST-C En-It 1.0 (test)

24.6BLEU

8

Feb 26, 2026

MuST-C En-Fr 1.0 (test)

34.9BLEU Score

8

Feb 26, 2026

MuST-C En-Es 1.0 (test)

28.2BLEU

8

Feb 26, 2026

MuST-C (En-Nl) 1.0 (test)

28.6BLEU

8

Feb 26, 2026

MuST-C En-De 1.0 (test)

24.5BLEU

8

Feb 26, 2026

CoVoST-2 high-resource X-to-En (test)

XLS-R (2B) + mBART-ML50N1

37.6Quality Score (Fr)

8

Feb 26, 2026

15.7Error Rate (ara -> X)

6

May 28, 2026

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