origin-Helsinki-NLP-opus-mt-gmw-gmw

WindstormLabs/origin-Helsinki-NLP-opus-mt-gmw-gmw

origin-Helsinki-NLP-opus-mt-gmw-gmw is a translation model from WindstormLabs. Use it when you need text moved from one language to another. The card lists the license as apache-2.0.

source group: West Germanic languages target group: West Germanic languages OPUS readme: gmw-gmw

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At a glance

Task: Translation
License: apache-2.0
Model type: marian
Access: Public
Created: May 23, 2026
Updated: Oct 1, 2026
SHA: f8f3eb8a

Model card

From the Hugging Face model README

gmw-gmw

source group: West Germanic languages
target group: West Germanic languages
OPUS readme: gmw-gmw
model: transformer
source language(s): afr ang_Latn deu eng enm_Latn frr fry gos gsw ksh ltz nds nld pdc sco stq swg yid
target language(s): afr ang_Latn deu eng enm_Latn frr fry gos gsw ksh ltz nds nld pdc sco stq swg yid
model: transformer
pre-processing: normalization + SentencePiece (spm32k,spm32k)
a sentence initial language token is required in the form of >>id<< (id = valid target language ID)
download original weights: opus-2020-07-27.zip
test set translations: opus-2020-07-27.test.txt
test set scores: opus-2020-07-27.eval.txt

Benchmarks

testset	BLEU	chr-F
newssyscomb2009-deueng.deu.eng	25.3	0.527
newssyscomb2009-engdeu.eng.deu	19.0	0.502
news-test2008-deueng.deu.eng	23.7	0.515
news-test2008-engdeu.eng.deu	19.2	0.491
newstest2009-deueng.deu.eng	23.1	0.514
newstest2009-engdeu.eng.deu	18.6	0.495
newstest2010-deueng.deu.eng	25.8	0.545
newstest2010-engdeu.eng.deu	20.3	0.505
newstest2011-deueng.deu.eng	23.7	0.523
newstest2011-engdeu.eng.deu	18.9	0.490
newstest2012-deueng.deu.eng	24.4	0.529
newstest2012-engdeu.eng.deu	19.2	0.489
newstest2013-deueng.deu.eng	27.2	0.545
newstest2013-engdeu.eng.deu	22.4	0.514
newstest2014-deen-deueng.deu.eng	27.0	0.546
newstest2015-ende-deueng.deu.eng	28.4	0.552
newstest2015-ende-engdeu.eng.deu	25.3	0.541
newstest2016-ende-deueng.deu.eng	33.2	0.595
newstest2016-ende-engdeu.eng.deu	29.8	0.578
newstest2017-ende-deueng.deu.eng	29.0	0.557
newstest2017-ende-engdeu.eng.deu	23.9	0.534
newstest2018-ende-deueng.deu.eng	35.9	0.607
newstest2018-ende-engdeu.eng.deu	34.8	0.609
newstest2019-deen-deueng.deu.eng	32.1	0.579
newstest2019-ende-engdeu.eng.deu	31.0	0.579
Tatoeba-test.afr-ang.afr.ang	0.0	0.065
Tatoeba-test.afr-deu.afr.deu	46.8	0.668
Tatoeba-test.afr-eng.afr.eng	58.5	0.728
Tatoeba-test.afr-enm.afr.enm	13.4	0.357
Tatoeba-test.afr-fry.afr.fry	5.3	0.026
Tatoeba-test.afr-gos.afr.gos	3.5	0.228
Tatoeba-test.afr-ltz.afr.ltz	1.6	0.131
Tatoeba-test.afr-nld.afr.nld	55.4	0.715
Tatoeba-test.afr-yid.afr.yid	3.4	0.008
Tatoeba-test.ang-afr.ang.afr	3.1	0.096
Tatoeba-test.ang-deu.ang.deu	2.6	0.188
Tatoeba-test.ang-eng.ang.eng	5.4	0.211
Tatoeba-test.ang-enm.ang.enm	1.7	0.197
Tatoeba-test.ang-gos.ang.gos	6.6	0.186
Tatoeba-test.ang-ltz.ang.ltz	5.3	0.072
Tatoeba-test.ang-yid.ang.yid	0.9	0.131
Tatoeba-test.deu-afr.deu.afr	52.7	0.699
Tatoeba-test.deu-ang.deu.ang	0.8	0.133
Tatoeba-test.deu-eng.deu.eng	43.5	0.621
Tatoeba-test.deu-enm.deu.enm	6.9	0.245
Tatoeba-test.deu-frr.deu.frr	0.8	0.200
Tatoeba-test.deu-fry.deu.fry	15.1	0.367
Tatoeba-test.deu-gos.deu.gos	2.2	0.279
Tatoeba-test.deu-gsw.deu.gsw	1.0	0.176
Tatoeba-test.deu-ksh.deu.ksh	0.6	0.208
Tatoeba-test.deu-ltz.deu.ltz	12.1	0.274
Tatoeba-test.deu-nds.deu.nds	18.8	0.446
Tatoeba-test.deu-nld.deu.nld	48.6	0.669
Tatoeba-test.deu-pdc.deu.pdc	4.6	0.198
Tatoeba-test.deu-sco.deu.sco	12.0	0.340
Tatoeba-test.deu-stq.deu.stq	3.2	0.240
Tatoeba-test.deu-swg.deu.swg	0.5	0.179
Tatoeba-test.deu-yid.deu.yid	1.7	0.160
Tatoeba-test.eng-afr.eng.afr	55.8	0.730
Tatoeba-test.eng-ang.eng.ang	5.7	0.157
Tatoeba-test.eng-deu.eng.deu	36.7	0.584
Tatoeba-test.eng-enm.eng.enm	2.0	0.272
Tatoeba-test.eng-frr.eng.frr	6.1	0.246
Tatoeba-test.eng-fry.eng.fry	15.3	0.378
Tatoeba-test.eng-gos.eng.gos	1.2	0.242
Tatoeba-test.eng-gsw.eng.gsw	0.9	0.164
Tatoeba-test.eng-ksh.eng.ksh	0.9	0.170
Tatoeba-test.eng-ltz.eng.ltz	13.7	0.263
Tatoeba-test.eng-nds.eng.nds	17.1	0.410
Tatoeba-test.eng-nld.eng.nld	49.6	0.673
Tatoeba-test.eng-pdc.eng.pdc	5.1	0.218
Tatoeba-test.eng-sco.eng.sco	34.8	0.587
Tatoeba-test.eng-stq.eng.stq	2.1	0.322
Tatoeba-test.eng-swg.eng.swg	1.7	0.192
Tatoeba-test.eng-yid.eng.yid	1.7	0.173
Tatoeba-test.enm-afr.enm.afr	13.4	0.397
Tatoeba-test.enm-ang.enm.ang	0.7	0.063
Tatoeba-test.enm-deu.enm.deu	41.5	0.514
Tatoeba-test.enm-eng.enm.eng	21.3	0.483
Tatoeba-test.enm-fry.enm.fry	0.0	0.058
Tatoeba-test.enm-gos.enm.gos	10.7	0.354
Tatoeba-test.enm-ksh.enm.ksh	7.0	0.161
Tatoeba-test.enm-nds.enm.nds	18.6	0.316
Tatoeba-test.enm-nld.enm.nld	38.3	0.524
Tatoeba-test.enm-yid.enm.yid	0.7	0.128
Tatoeba-test.frr-deu.frr.deu	4.1	0.219
Tatoeba-test.frr-eng.frr.eng	14.1	0.186
Tatoeba-test.frr-fry.frr.fry	3.1	0.129
Tatoeba-test.frr-gos.frr.gos	3.6	0.226
Tatoeba-test.frr-nds.frr.nds	12.4	0.145
Tatoeba-test.frr-nld.frr.nld	9.8	0.209
Tatoeba-test.frr-stq.frr.stq	2.8	0.142
Tatoeba-test.fry-afr.fry.afr	0.0	1.000
Tatoeba-test.fry-deu.fry.deu	30.1	0.535
Tatoeba-test.fry-eng.fry.eng	28.0	0.486
Tatoeba-test.fry-enm.fry.enm	16.0	0.262
Tatoeba-test.fry-frr.fry.frr	5.5	0.160
Tatoeba-test.fry-gos.fry.gos	1.6	0.307
Tatoeba-test.fry-ltz.fry.ltz	30.4	0.438
Tatoeba-test.fry-nds.fry.nds	8.1	0.083
Tatoeba-test.fry-nld.fry.nld	41.4	0.616
Tatoeba-test.fry-stq.fry.stq	1.6	0.217
Tatoeba-test.fry-yid.fry.yid	1.6	0.159
Tatoeba-test.gos-afr.gos.afr	6.3	0.318
Tatoeba-test.gos-ang.gos.ang	6.2	0.058
Tatoeba-test.gos-deu.gos.deu	11.7	0.363
Tatoeba-test.gos-eng.gos.eng	14.9	0.322
Tatoeba-test.gos-enm.gos.enm	9.1	0.398
Tatoeba-test.gos-frr.gos.frr	3.3	0.117
Tatoeba-test.gos-fry.gos.fry	13.1	0.387
Tatoeba-test.gos-ltz.gos.ltz	3.1	0.154
Tatoeba-test.gos-nds.gos.nds	2.4	0.206
Tatoeba-test.gos-nld.gos.nld	13.9	0.395
Tatoeba-test.gos-stq.gos.stq	2.1	0.209
Tatoeba-test.gos-yid.gos.yid	1.7	0.147
Tatoeba-test.gsw-deu.gsw.deu	10.5	0.350
Tatoeba-test.gsw-eng.gsw.eng	10.7	0.299
Tatoeba-test.ksh-deu.ksh.deu	12.0	0.373
Tatoeba-test.ksh-eng.ksh.eng	3.2	0.225
Tatoeba-test.ksh-enm.ksh.enm	13.4	0.308
Tatoeba-test.ltz-afr.ltz.afr	37.4	0.525
Tatoeba-test.ltz-ang.ltz.ang	2.8	0.036
Tatoeba-test.ltz-deu.ltz.deu	40.3	0.596
Tatoeba-test.ltz-eng.ltz.eng	31.7	0.490
Tatoeba-test.ltz-fry.ltz.fry	36.3	0.658
Tatoeba-test.ltz-gos.ltz.gos	2.9	0.209
Tatoeba-test.ltz-nld.ltz.nld	38.8	0.530
Tatoeba-test.ltz-stq.ltz.stq	5.8	0.165
Tatoeba-test.ltz-yid.ltz.yid	1.0	0.159
Tatoeba-test.multi.multi	36.4	0.568
Tatoeba-test.nds-deu.nds.deu	35.0	0.573
Tatoeba-test.nds-eng.nds.eng	29.6	0.495
Tatoeba-test.nds-enm.nds.enm	3.7	0.194
Tatoeba-test.nds-frr.nds.frr	6.6	0.133
Tatoeba-test.nds-fry.nds.fry	4.2	0.087
Tatoeba-test.nds-gos.nds.gos	2.0	0.243
Tatoeba-test.nds-nld.nds.nld	41.4	0.618
Tatoeba-test.nds-swg.nds.swg	0.6	0.178
Tatoeba-test.nds-yid.nds.yid	8.3	0.238
Tatoeba-test.nld-afr.nld.afr	59.4	0.759
Tatoeba-test.nld-deu.nld.deu	49.9	0.685
Tatoeba-test.nld-eng.nld.eng	54.1	0.699
Tatoeba-test.nld-enm.nld.enm	5.0	0.250
Tatoeba-test.nld-frr.nld.frr	2.4	0.224
Tatoeba-test.nld-fry.nld.fry	19.4	0.446
Tatoeba-test.nld-gos.nld.gos	2.5	0.273
Tatoeba-test.nld-ltz.nld.ltz	13.8	0.292
Tatoeba-test.nld-nds.nld.nds	21.3	0.457
Tatoeba-test.nld-sco.nld.sco	14.7	0.423
Tatoeba-test.nld-stq.nld.stq	1.9	0.257
Tatoeba-test.nld-swg.nld.swg	4.2	0.162
Tatoeba-test.nld-yid.nld.yid	2.6	0.186
Tatoeba-test.pdc-deu.pdc.deu	39.7	0.529
Tatoeba-test.pdc-eng.pdc.eng	25.0	0.427
Tatoeba-test.sco-deu.sco.deu	28.4	0.428
Tatoeba-test.sco-eng.sco.eng	41.8	0.595
Tatoeba-test.sco-nld.sco.nld	36.4	0.565
Tatoeba-test.stq-deu.stq.deu	7.7	0.328
Tatoeba-test.stq-eng.stq.eng	21.1	0.428
Tatoeba-test.stq-frr.stq.frr	2.0	0.118
Tatoeba-test.stq-fry.stq.fry	6.3	0.255
Tatoeba-test.stq-gos.stq.gos	1.4	0.244
Tatoeba-test.stq-ltz.stq.ltz	4.4	0.204
Tatoeba-test.stq-nld.stq.nld	10.7	0.371
Tatoeba-test.stq-yid.stq.yid	1.4	0.105
Tatoeba-test.swg-deu.swg.deu	9.5	0.343
Tatoeba-test.swg-eng.swg.eng	15.1	0.306
Tatoeba-test.swg-nds.swg.nds	0.7	0.196
Tatoeba-test.swg-nld.swg.nld	11.6	0.308
Tatoeba-test.swg-yid.swg.yid	0.9	0.186
Tatoeba-test.yid-afr.yid.afr	100.0	1.000
Tatoeba-test.yid-ang.yid.ang	0.6	0.079
Tatoeba-test.yid-deu.yid.deu	16.7	0.372
Tatoeba-test.yid-eng.yid.eng	15.8	0.344
Tatoeba-test.yid-enm.yid.enm	1.3	0.166
Tatoeba-test.yid-fry.yid.fry	5.6	0.157
Tatoeba-test.yid-gos.yid.gos	2.2	0.160
Tatoeba-test.yid-ltz.yid.ltz	2.1	0.238
Tatoeba-test.yid-nds.yid.nds	14.4	0.365
Tatoeba-test.yid-nld.yid.nld	20.9	0.397
Tatoeba-test.yid-stq.yid.stq	3.7	0.165
Tatoeba-test.yid-swg.yid.swg	1.8	0.156

System Info:

hf_name: gmw-gmw
source_languages: gmw
target_languages: gmw
opus_readme_url: https://github.com/Helsinki-NLP/Tatoeba-Challenge/tree/master/models/gmw-gmw/README.md
original_repo: Tatoeba-Challenge
tags: ['translation']
languages: ['nl', 'en', 'lb', 'af', 'de', 'fy', 'yi', 'gmw']
src_constituents: {'ksh', 'nld', 'eng', 'enm_Latn', 'ltz', 'stq', 'afr', 'pdc', 'deu', 'gos', 'ang_Latn', 'fry', 'gsw', 'frr', 'nds', 'yid', 'swg', 'sco'}
tgt_constituents: {'ksh', 'nld', 'eng', 'enm_Latn', 'ltz', 'stq', 'afr', 'pdc', 'deu', 'gos', 'ang_Latn', 'fry', 'gsw', 'frr', 'nds', 'yid', 'swg', 'sco'}
src_multilingual: True
tgt_multilingual: True
prepro: normalization + SentencePiece (spm32k,spm32k)
url_model: https://object.pouta.csc.fi/Tatoeba-MT-models/gmw-gmw/opus-2020-07-27.zip
url_test_set: https://object.pouta.csc.fi/Tatoeba-MT-models/gmw-gmw/opus-2020-07-27.test.txt
src_alpha3: gmw
tgt_alpha3: gmw
short_pair: gmw-gmw
chrF2_score: 0.568
bleu: 36.4
brevity_penalty: 1.0
ref_len: 72534.0
src_name: West Germanic languages
tgt_name: West Germanic languages
train_date: 2020-07-27
src_alpha2: gmw
tgt_alpha2: gmw
prefer_old: False
long_pair: gmw-gmw
helsinki_git_sha: 480fcbe0ee1bf4774bcbe6226ad9f58e63f6c535
transformers_git_sha: 2207e5d8cb224e954a7cba69fa4ac2309e9ff30b
port_machine: brutasse
port_time: 2020-08-21-14:41

Task: Translation
Type: marian
License: apache-2.0
Languages: nl, en, lb, af, de, fy
Created: May 23, 2026
Updated: Oct 1, 2026