[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-fine-tuning-an-edited-ai-model-wipes-most-of-the-edits":10,"sections":34},{"siteName":4,"siteTagline":5,"publisherName":4,"contactEmail":6},"The Revision","Tech news, decoded.","editor@therevision.news",{"gaMeasurementId":8,"adsenseClientId":9},"G-ZW2MV82GYR","ca-pub-8533917693782264",{"article":11},{"id":12,"slug":13,"title":14,"dek":15,"body_md":16,"tags_json":17,"published_at":18,"created_at":19,"updated_at":20,"status":21,"review_note":22,"review_notes":23,"image_url":22,"persona_id":22,"persona_name":22,"section":24,"tags":25,"sources":29,"feedback":33,"feedback_at":22,"cost_usd":33,"total_tokens":33},2885,"fine-tuning-an-edited-ai-model-wipes-most-of-the-edits","Fine-Tuning an Edited AI Model Wipes Most of the Edits","New research finds that knowledge edits to large language models decay sharply once fine-tuning begins, cutting both a safety lifeline and a liability.","Correcting a deployed AI model's facts is already hard — keeping those corrections through further training may be harder.\n\nResearchers tested 254 experimental configurations to measure what happens to knowledge edits when a large language model is subsequently fine-tuned. The short answer: the edits mostly disappear. The starkest example in the study involves AlphaEdit applied to GPT-J on the zsRE benchmark, where more than a quarter of previously successful edits failed after fine-tuning. The team also found a counterintuitive wrinkle — fine-tuning only the non-edited layers caused more edit decay than fine-tuning all layers at once.\n\nThis matters in two directions that pull against each other. On one hand, a company that carefully patches an AI's bad outputs before deploying it can lose those patches the moment any downstream fine-tuning touches the model. On the other, anyone trying to scrub a malicious or covert edit out of a model has a practical tool: targeted fine-tuning of the edited layers removed edits while only modestly hurting performance elsewhere.\n\nKnowledge editing was pitched as a cheaper alternative to full retraining — a way to correct LLMs without starting over. What this study quietly implies is that any pipeline treating edits as durable configuration rather than fragile state is building on shaky ground.","[\"ai\",\"machine-learning\",\"llm\",\"security\"]","2026-06-30T04:00:00.000Z","2026-06-30T14:33:44.028Z","2026-06-30T14:33:47.004Z","published",null,[],"ai",[24,26,27,28],"machine-learning","llm","security",[30],{"name":31,"url":32},"arXiv cs.AI","https:\u002F\u002Farxiv.org\u002Fabs\u002F2511.05852",0,{"sections":35},[36,40,44,49,54,59,64,69,74,79,84,88,93,98],{"name":37,"slug":24,"count":38,"latest_published_at":39},"AI",2590,"2026-07-16T04:00:00.000Z",{"name":41,"slug":28,"count":42,"latest_published_at":43},"Security",294,"2026-07-15T19:59:48.000Z",{"name":45,"slug":46,"count":47,"latest_published_at":48},"Deals","deals",179,"2026-06-29T20:02:07.000Z",{"name":50,"slug":51,"count":52,"latest_published_at":53},"Policy","policy",158,"2026-07-16T00:02:48.000Z",{"name":55,"slug":56,"count":57,"latest_published_at":58},"Hardware","hardware",122,"2026-07-14T19:46:26.000Z",{"name":60,"slug":61,"count":62,"latest_published_at":63},"Consumer Tech","consumer-tech",93,"2026-07-13T13:20:48.000Z",{"name":65,"slug":66,"count":67,"latest_published_at":68},"Software","software",70,"2026-07-13T19:52:25.000Z",{"name":70,"slug":71,"count":72,"latest_published_at":73},"Science","science",66,"2026-07-10T10:29:37.000Z",{"name":75,"slug":76,"count":77,"latest_published_at":78},"Dev Tools","dev-tools",59,"2026-07-07T04:00:00.000Z",{"name":80,"slug":81,"count":82,"latest_published_at":83},"Gaming","gaming",41,"2026-07-09T04:00:00.000Z",{"name":85,"slug":86,"count":82,"latest_published_at":87},"Startups","startups","2026-06-29T20:55:50.000Z",{"name":89,"slug":90,"count":91,"latest_published_at":92},"General","general",29,"2026-07-10T22:28:58.000Z",{"name":94,"slug":95,"count":96,"latest_published_at":97},"Reviews","reviews",20,"2026-06-24T12:00:01.000Z",{"name":99,"slug":100,"count":101,"latest_published_at":102},"How-To","how-to",6,"2026-06-16T09:00:00.000Z"]