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Papers Benchmarks Datasets Tasks

Speech Translation research benchmarks – Page 3 · SOTA2 Research

Speech Translation

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

CoVoST 2 En-Ar (Original)

16.2BLEU

6

Feb 26, 2026

CoVoST 2 En-Ca (Original)

28.2BLEU

6

Feb 26, 2026

MuST-C en-nl (tst-COMMON)

27.7BLEU Score

6

Feb 26, 2026

FLEURS Common (73 languages)

25.6BLEU Score

5

Mar 18, 2026

MUST-C V2 (test)

Indurthi et al.

0.289BLEU

5

Feb 26, 2026

FLEURS Full (101 languages)

22BLEU

4

Mar 18, 2026

MuST-C en-nl (dev)

24.9BLEU

4

Feb 26, 2026

MuST-C en-es (dev)

0.318BLEU

4

Feb 26, 2026

MuST-C V2 (tst-COMMON)

31.4BLEU Score

4

Feb 26, 2026

Europarl-ST En-Fr (test)

55.37chrF2 Score

4

Feb 26, 2026

Europarl-ST En-De (test)

52.37chrF2

4

Feb 26, 2026

CoVOST En-Sl 2 (test)

0.426chrF2 Score

4

Feb 26, 2026

CoVOST En-Cy 2 (test)

51.5chrF2

4

Feb 26, 2026

CoVOST 2 (En-Tr) (test)

39.7chrF2

4

Feb 26, 2026

CoVOST 2 En-Ca (test)

49.1chrF2

4

Feb 26, 2026

CoVOST 2 En-De (test)

45.13chrF2

4

Feb 26, 2026

IWSLT 2021 (test)

Ensemble (LNA-ED-Adapt-2step + LNA-ED-Adapt FT)

21.8BLEU (IWSLT Ref)

4

Feb 26, 2026

IWSLT 2020 (test)

Ensemble (LNA-ED-Adapt-2step + LNA-ED-Adapt FT)

24.6BLEU

4

Feb 26, 2026

34BLEU

3

Jul 7, 2026

IWSLT long-form EN-ZH 2026

69.9COMET

3

Jun 26, 2026

IWSLT long-form EN-IT 2026

0.707COMET Score

3

Jun 26, 2026

IWSLT long-form EN-DE 2026

0.723COMET Score

3

Jun 26, 2026

Simulated FLEURS (Wearer: English, Partner: Italian) (test)

22.7Wearer BLEU Score

3

Feb 26, 2026

Simulated FLEURS (Wearer: English, Partner: French) (test)

36.9Wearer BLEU

3

Feb 26, 2026

Simulated FLEURS Wearer: English, Partner: Spanish (test)

22Wearer BLEU

3

Feb 26, 2026

Page 3 of 4

Popular datasets

CoVoST MuST-C IWSLT FLEURS Europarl

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