IWSLT
Benchmarks
Task NameDataset NameSOTA ResultTrendResults
IWSLT documents X→Eng 2017
3.53xSim (AR)
5
IWSLT 14 (test)
34.88BLEU
5
IWSLT 14 (val)
4.99PPL (val)
5
IWSLT En-De tst-COMMON 2022 v2 (test)
31.5BLEU
5
IWSLT DE→EN out-of-domain '14 (test)
0.05Hallucination Rate
5
IWSLT17 Arabic-English (test)
33.72BLEU
5
IWSLT En-Zh (test)
84.56XCOMET Score
4
IWSLT En-It (test)
89.36XCOMET
4
IWSLT En-De (test)
93.7XCOMET
4
IWSLT Cs-En 2026 (dev)
32.01BLEU
4
IWSLT14 German-to-English (val)
34.57BLEU
4
iwslt-14-de-en
34.24BLEU
4
IWSLT14
29.19BLEU
4
IWSLT22 EN-RU (test)
1Formal Rate
4
IWSLT22 EN-DE (test)
100Formal Score
4
IWSLT (Forget Set)
100PDLP
4
IWSLT (test)
51PDLP
4
IWSLT De-En '14 (test)
88Rank 1 Rate
4
IWSLT 2021 (test)
21.8BLEU (IWSLT Ref)
4
IWSLT 2020 (test)
24.6BLEU
4
IWSLT long-form EN-ZH 2026
0.698COMET
3
IWSLT long-form EN-ZH 2026
65.8Accuracy
3
IWSLT long-form EN-ZH 2026
0.325BERTScore
3
IWSLT long-form EN-ZH 2026
38BERTScore
3
IWSLT long-form EN-ZH 2026
69.9COMET
3