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Papers Benchmarks Datasets Tasks

Speech Translation research benchmarks – Page 2 · SOTA2 Research

Speech Translation

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

EuroParl en-fr (test)

Transcripts + EuroLLM 9B

85COMET Score

12

Feb 26, 2026

EuroParl en-es (test)

Transcripts + EuroLLM 9B

85.9COMET

12

Feb 26, 2026

MuST-C COMMON (test)

29.4BLEU

12

Feb 26, 2026

NTUML Monolingual 2021 (test)

36.27BLEU

11

May 13, 2026

Fisher Monolingual (test)

35.87BLEU

11

May 13, 2026

Fisher Code-Switching (test)

37.51BLEU

11

May 13, 2026

30.6BLEU

10

Feb 26, 2026

MCIF short-form

78.69ST COMET

8

Jul 8, 2026

33.87BLEU

8

Jun 9, 2026

35.4BLEU

8

Apr 10, 2026

CoVoST 2 EN→X

0.334BLEU

8

Apr 14, 2026

CoVoST X→EN 2

26.98BLEU

8

Feb 26, 2026

Europarl-ST v1 (test)

29.28BLEU

8

Feb 26, 2026

2BLEU

7

Apr 9, 2026

CoVoST Fr-En (Clean TTS) 2

32.3BLEU

7

Feb 26, 2026

CoVoST 2 Fr-En Morpheus adversarial

25.2BLEU

7

Feb 26, 2026

CoVoST En-Ar (Clean TTS) 2

19.5BLEU

7

Feb 26, 2026

CoVoST 2 En-Ar Morpheus adversarial

TTS-Morpheus-FN

15.4BLEU

7

Feb 26, 2026

CoVoST 2 En-Ca Clean TTS

34.6BLEU

7

Feb 26, 2026

CoVoST 2 En-Ca (Morpheus adversarial)

TTS-Morpheus-FN

26.1BLEU Score

7

Feb 26, 2026

CoVoST 2 En-De (Clean TTS)

26.7BLEU

7

Feb 26, 2026

CoVoST 2 En-De Morpheus adversarial

TTS-Morpheus-FN

19.9BLEU

7

Feb 26, 2026

CoVOST En-X 2 (test)

25.7BLEU (Ar)

7

Feb 26, 2026

Tibetan Dialects (Amdo, Kham, Ü-Tsang)

Cascaded mHuBERT–Gemini 3 Flash

20.8BLEU (Amdo)

6

Apr 14, 2026

jeli-asr soloni-v0 (test)

70.43WER

6

Feb 26, 2026

Page 2 of 4

Popular datasets

CoVoST MuST-C IWSLT FLEURS Europarl

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