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Papers Benchmarks Datasets Tasks

Speech-to-speech translation research benchmarks · SOTA2 Research

Speech-to-speech translation

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

Fisher Spanish-English (test)

Synthetic target

90.5BLEU (Speech Input)

55

Feb 26, 2026

Fisher Spanish-English (dev)

Synthetic target

88.5BLEU (Speech)

48

Feb 26, 2026

Synthetic target

0.911Avg Score

38

Feb 26, 2026

Fisher Spanish-English (dev2)

Synthetic target

89.4ASR BLEU

36

Feb 26, 2026

CVSS-C + SpeechMatrix FR-EN (test)

Audio-LLM filter

22.72BLEU

20

Jun 12, 2026

CVSS-C DE → EN (test)

75.53ASR-BLEU

16

Feb 26, 2026

CVSS-C ES → EN (test)

88.54ASR-BLEU

16

Feb 26, 2026

84.52ASR-BLEU

11

May 18, 2026

VoxPopuli En-Fr (test)

25BLEU Score

11

Feb 26, 2026

VoxPopuli En-Es (test)

29.2BLEU

11

Feb 26, 2026

VoxPopuli Fr-En (test)

35.9BLEU Score

11

Feb 26, 2026

VoxPopuli Es-En (test)

34.7BLEU

11

Feb 26, 2026

82.86ASR-BLEU

10

May 18, 2026

88.54ASR-BLEU

10

May 18, 2026

75.53ASR BLEU

10

May 18, 2026

SeamlessM4T-Large-v2

23.6ASR-BLEU

10

Apr 21, 2026

32.5ASR-BLEU

10

Apr 21, 2026

Multi-domain Es->En (CoVOST-2, Europarl-ST, mTEDx)

37.2CoVOST-2 Score

10

Feb 26, 2026

Multi-domain En->Es (Europarl-ST, MuST-C)

S2SpecT2 + t-mBART

36.9Score (Europarl-ST)

10

Feb 26, 2026

Fisher Es→En (test)

70.2ASR chrF

10

Feb 26, 2026

Fisher Es→En (dev)

69.5ASR chrF

10

Feb 26, 2026

Europarl-ST Es->En (test)

34.2ASR-BLEU

10

Feb 26, 2026

CoVOST-2 Es->En (test)

37.2ASR-BLEU

10

Feb 26, 2026

MuST-C En->Es (test)

34.5ASR-BLEU

10

Feb 26, 2026

Europarl-ST En->Es (test)

37.2ASR-BLEU

10

Feb 26, 2026

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CVSS CVSS-C Fisher VoxPopuli TAT-S2ST

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