{"id":40375,"date":"2026-04-13T14:35:29","date_gmt":"2026-04-13T12:35:29","guid":{"rendered":"https:\/\/www.graviton.at\/letterswaplibrary\/almost-json-is-one-of-the-most-annoying-model-failure-modes\/"},"modified":"2026-04-13T14:35:29","modified_gmt":"2026-04-13T12:35:29","slug":"almost-json-is-one-of-the-most-annoying-model-failure-modes","status":"publish","type":"post","link":"https:\/\/www.graviton.at\/letterswaplibrary\/almost-json-is-one-of-the-most-annoying-model-failure-modes\/","title":{"rendered":"Almost JSON\u201d Is One Of The Most Annoying Model Failure Modes"},"content":{"rendered":"<p><!-- SC_OFF --><\/p>\n<div class=\"md\">\n<p>Been thinking about this a lot lately.<\/p>\n<p>A model can look great on extraction at first, then the second you try plugging it into a real pipeline, it starts doing all the little annoying things:<br \/> missing keys, drifting field names, guessing on bad input, or slipping back into prose.<\/p>\n<p>That\u2019s why I\u2019ve been more interested in training <strong>fixed-key behavior<\/strong> and <strong>clean validation<\/strong> instead of just prompting harder for JSON.<\/p>\n<p>Feels like \u201calmost structured\u201d output is basically useless once a parser is involved.<\/p>\n<p>Curious what breaks first for people here:<br \/> missing fields, key drift, bad validation, or prose creeping back in?<\/p>\n<\/div>\n<p><!-- SC_ON -->   submitted by   <a href=\"https:\/\/www.reddit.com\/user\/JayPatel24_\"> \/u\/JayPatel24_ <\/a> <br \/> <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1sk9byr\/almost_json_is_one_of_the_most_annoying_model\/\">[link]<\/a><\/span>   <span><a href=\"https:\/\/www.reddit.com\/r\/datasets\/comments\/1sk9byr\/almost_json_is_one_of_the_most_annoying_model\/\">[comments]<\/a><\/span><\/p><div class='watch-action'><div class='watch-position align-right'><div class='action-like'><a class='lbg-style1 like-40375 jlk' href='javascript:void(0)' data-task='like' data-post_id='40375' data-nonce='65e0e39b87' rel='nofollow'><img class='wti-pixel' src='https:\/\/www.graviton.at\/letterswaplibrary\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-40375 lc'>0<\/span><\/a><\/div><\/div> <div class='status-40375 status align-right'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>Been thinking about this a lot lately. A model can look great on extraction at first, then&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-40375","post","type-post","status-publish","format-standard","hentry","category-datatards","wpcat-85-id"],"_links":{"self":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/40375","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/comments?post=40375"}],"version-history":[{"count":0,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/posts\/40375\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/media?parent=40375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/categories?post=40375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.graviton.at\/letterswaplibrary\/wp-json\/wp\/v2\/tags?post=40375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}