{"id":12391,"date":"2025-11-12T16:45:00","date_gmt":"2025-11-12T15:45:00","guid":{"rendered":"https:\/\/www.informatik.uni-mainz.de\/?p=12391"},"modified":"2025-11-14T16:57:51","modified_gmt":"2025-11-14T15:57:51","slug":"ai-language-models-show-bias-against-regional-german-dialects","status":"publish","type":"post","link":"https:\/\/www.informatik.uni-mainz.de\/en\/2025\/11\/12\/ai-language-models-show-bias-against-regional-german-dialects\/","title":{"rendered":"AI language models show bias against regional German dialects"},"content":{"rendered":"<jgu-base-heading react-props=\"{\n    &quot;tags&quot;: {\n        &quot;htmlTag&quot;: &quot;h2&quot;,\n        &quot;classTag&quot;: &quot;&quot;,\n        &quot;tag&quot;: &quot;h2&quot;\n    },\n    &quot;heading&quot;: &quot;AI language models show bias against regional German dialects&quot;,\n    &quot;textAlign&quot;: &quot;left&quot;,\n    &quot;anchor&quot;: &quot;&quot;,\n    &quot;index&quot;: &quot;&quot;,\n    &quot;color&quot;: &quot;red&quot;\n}\"><\/jgu-base-heading>\n<div class=\"wp-block-post-date\"><time datetime=\"2025-11-12T16:45:00+01:00\">12. November 2025<\/time><\/div><figure class=\"wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.informatik.uni-mainz.de\/wp-content\/uploads\/sites\/122\/2025\/11\/lebkuchenherz_dialekt.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.informatik.uni-mainz.de\/wp-content\/uploads\/sites\/122\/2025\/11\/lebkuchenherz_dialekt.png 1536w, https:\/\/www.informatik.uni-mainz.de\/wp-content\/uploads\/sites\/122\/2025\/11\/lebkuchenherz_dialekt-300x200.png 300w, https:\/\/www.informatik.uni-mainz.de\/wp-content\/uploads\/sites\/122\/2025\/11\/lebkuchenherz_dialekt-1024x683.png 1024w, https:\/\/www.informatik.uni-mainz.de\/wp-content\/uploads\/sites\/122\/2025\/11\/lebkuchenherz_dialekt-768x512.png 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><\/figure><p>Large language models such as GPT-5 and Llama systematically rate speakers of German dialects less favorably than those using Standard German. This is shown by a recent collaborative study between Johannes Gutenberg University Mainz (JGU) and the universities of Hamburg and Washington, in which Professor Katharina von der Wense and Minh Duc Bui played a leading role. The results, presented at this year&#8217;s Conference on Empirical Methods in Natural Language Processing (EMNLP) \u2013 one of the world&#8217;s leading conferences in computational linguistics \u2013 show that all tested AI systems reproduce social stereotypes.    <\/p><\/p>\n<jgu-base-button style=\"display: flex; flex-wrap: wrap; column-gap: 30px; max-width: 100%; flex-direction: row; justify-content: left\">\n  \n<jgu-base-buttonitem react-props=\"{\n    &quot;text&quot;: &quot;Full press release&quot;,\n    &quot;link&quot;: {\n        &quot;url&quot;: &quot;AI language models show bias against regional German dialects | Press and Public Relations&quot;,\n        &quot;linkTarget&quot;: &quot;&quot;,\n        &quot;rel&quot;: &quot;&quot;\n    },\n    &quot;align&quot;: &quot;left&quot;,\n    &quot;styling&quot;: &quot;primary&quot;,\n    &quot;icon&quot;: &quot;arrow-right-solid&quot;,\n    &quot;type&quot;: &quot;default&quot;,\n    &quot;iconBefore&quot;: false,\n    &quot;isSmall&quot;: false,\n    &quot;fullWidth&quot;: false,\n    &quot;className&quot;: &quot;&quot;\n}\"><\/jgu-base-buttonitem>\n\n<jgu-base-buttonitem react-props=\"{\n    &quot;text&quot;: &quot;Working group of Professor von der Wense&quot;,\n    &quot;link&quot;: {\n        &quot;url&quot;: &quot;https:\\\/\\\/nala-cub.github.io\\\/&quot;,\n        &quot;linkTarget&quot;: &quot;&quot;,\n        &quot;rel&quot;: &quot;&quot;,\n        &quot;opensInNewTab&quot;: true\n    },\n    &quot;align&quot;: &quot;left&quot;,\n    &quot;styling&quot;: &quot;primary&quot;,\n    &quot;icon&quot;: &quot;arrow-right-solid&quot;,\n    &quot;type&quot;: &quot;default&quot;,\n    &quot;iconBefore&quot;: false,\n    &quot;isSmall&quot;: false,\n    &quot;fullWidth&quot;: false,\n    &quot;className&quot;: &quot;&quot;\n}\"><\/jgu-base-buttonitem>\n\n<\/jgu-base-button>    <div style=\"display: none\">\n        \n    <\/div>","protected":false},"excerpt":{"rendered":"<p>Large language models such as GPT-5 and Llama systematically rate speakers of German dialects less favorably than those using Standard German. This is shown by a recent collaborative study between Johannes Gutenberg University Mainz (JGU) and the universities of Hamburg and Washington, in which Professor Katharina von der Wense and Minh Duc Bui played a &hellip; <a href=\"https:\/\/www.informatik.uni-mainz.de\/en\/2025\/11\/12\/ai-language-models-show-bias-against-regional-german-dialects\/\">Continued<\/a><\/p>\n","protected":false},"author":327,"featured_media":12387,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[],"class_list":["post-12391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general"],"primary_category":{"id":66,"name":"General","slug":"general","parent":0,"breadcrumb":"General"},"media":{},"image":{"url":"https:\/\/cms.zdv.uni-mainz.de\/fb08-informatik\/wp-content\/uploads\/sites\/122\/2025\/11\/lebkuchenherz_dialekt.png","credit":""},"index":"12.11.2025","assigned_date":"","external_link":"","_links":{"self":[{"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts\/12391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/users\/327"}],"replies":[{"embeddable":true,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/comments?post=12391"}],"version-history":[{"count":3,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts\/12391\/revisions"}],"predecessor-version":[{"id":12399,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/posts\/12391\/revisions\/12399"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/media\/12387"}],"wp:attachment":[{"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/media?parent=12391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/categories?post=12391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.informatik.uni-mainz.de\/en\/wp-json\/wp\/v2\/tags?post=12391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}