{"id":90965,"date":"2026-02-02T09:41:42","date_gmt":"2026-02-02T10:41:42","guid":{"rendered":"https:\/\/www.verificat.cat\/?p=90965"},"modified":"2026-02-02T09:44:50","modified_gmt":"2026-02-02T10:44:50","slug":"es-grok-un-buen-fact-checker","status":"publish","type":"post","link":"https:\/\/www.verificat.cat\/es\/es-grok-un-buen-fact-checker\/","title":{"rendered":"\u00bfEs Grok un buen fact-checker?"},"content":{"rendered":"<figure class=\"wp-block-post-featured-image\"><img decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-scaled.jpeg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"MIAMI, FLORIDA - JANUARY 26: In this photo illustration, a link to the Grok website is seen in an X post on an ipad on January 26, 2026 in Miami, Florida. The European Commission has launched an investigation into Elon Musk&#039;s X over concerns its AI tool Grok was used to create sexualized images of real people. (Photo illustration by Joe Raedle\/Getty Images) (Photo by JOE RAEDLE \/ GETTY IMAGES NORTH AMERICA \/ Getty Images via AFP)\" style=\"object-fit:cover;\" srcset=\"https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-scaled.jpeg 2560w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-300x200.jpeg 300w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-1024x683.jpeg 1024w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-768x512.jpeg 768w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-1536x1024.jpeg 1536w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-2048x1365.jpeg 2048w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-1200x800.jpeg 1200w, https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-1400x933.jpeg 1400w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n<style>html[dir=\"rtl\"] .wpml-language-switcher-block .wpml-ls-dropdown ul 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class=\"wp-block-navigation-item__label \">Catal&agrave;<\/span><\/a><\/div><\/li><li class=\"wp-block-navigation-item \" data-wpml=\"current-language-item\"><div><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">Castellano<\/span><\/div><\/li><li class=\"wp-block-navigation-item \" data-wpml=\"language-item\"><div><a class=\"wp-block-navigation-item__content\" data-wpml=\"link\" href=\"https:\/\/www.verificat.cat\/en\/\"><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">English<\/span><\/a><\/div><\/li><li class=\"wp-block-navigation-item \" data-wpml=\"language-item\"><div><a class=\"wp-block-navigation-item__content\" data-wpml=\"link\" href=\"https:\/\/www.verificat.cat\/fr\/\"><span data-wpml=\"label\" data-wpml-label-type=\"native\" class=\"wp-block-navigation-item__label \">Fran&ccedil;ais<\/span><\/a><\/div><\/li><\/ul><\/div><\/div><\/div>\n\n\n<div class=\"post_single_data wp-block-post-date\"><time datetime=\"2026-02-02T09:41:42-01:00\">02\/02\/2026<\/time><\/div>\n\n<div class=\"taxonomy-category post_single_category wp-block-post-terms\"><a href=\"https:\/\/www.verificat.cat\/es\/category\/verificaciones\/soroll-verificaciones\/\" rel=\"tag\">Ruido<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/www.verificat.cat\/es\/category\/verificaciones\/\" rel=\"tag\">Verificaciones<\/a><\/div>\n\n\n<p>\u201c@grok, \u00bfes esto cierto?\u201d Estas cuatro palabras aparecen cada vez m\u00e1s a menudo y m\u00e1s r\u00e1pido en respuesta a cualquier post viral de X (antes Twitter). Es, de hecho, el mensaje m\u00e1s com\u00fan enviado al chatbot de IA en su versi\u00f3n inglesa, seg\u00fan<a href=\"https:\/\/osf.io\/preprints\/psyarxiv\/85quw_v2?utm_source=indicator.media&amp;utm_medium=newsletter&amp;utm_campaign=grok-is-this-true-how-x-s-chatbot-performs-as-a-fact-checking-tool&amp;_bhlid=d2cb9293b0ce4cbfd8a21b3f5fb7f7adb3902853\" target=\"_blank\" rel=\"noreferrer noopener\"> una investigaci\u00f3n<\/a> todav\u00eda en marcha y no revisada por pares, que ha cifrado en casi medio mill\u00f3n (447.083) las interacciones que los usuarios de la red social tuvieron con la IA utilizando esta f\u00f3rmula entre marzo y septiembre de 2025.<\/p>\n\n\n\n<p>Incluyendo otras f\u00f3rmulas y peticiones realizadas al chatbot de IA Perplexity, los investigadores cifran en aproximadamente un mill\u00f3n y medio las consultas en las que los usuarios ped\u00edan un fact-check a estos modelos de lenguaje extenso, en tem\u00e1ticas habitualmente vinculadas con la actualidad informativa. Esto representa un 7,6% del total de interacciones.<\/p>\n\n\n\n<p>Pero, \u00bfc\u00f3mo de acertada es la IA? Los investigadores, entre ellos David Rand, que estudia en la Universidad de Cornell las componentes psicol\u00f3gicas tras la desinformaci\u00f3n y la verificaci\u00f3n, compararon el veredicto de tres fact-checkers profesionales con el de las IA en una muestra de 100 tuits. El veredicto (verdadero, falso o incierto) coincidi\u00f3 entre humanos y m\u00e1quinas en el 54,5% de las ocasiones en el caso de Grok y en el 57,7% en el de Perplexity; los fact-checkers profesionales, en cambio, coincidieron entre ellos el 64% de las veces.<\/p>\n\n\n\n<p>Alexios Mantzarlis, director de la Iniciativa de Seguridad, Confianza y Seguridad en el centro de investigaci\u00f3n Cornell Tech, parte de la universidad del mismo nombre, concluye en <a href=\"https:\/\/indicator.media\/p\/grok-is-this-true-how-x-s-chatbot-performs-as-a-fact-checking-tool\" target=\"_blank\" rel=\"noreferrer noopener\">una publicaci\u00f3n\u00a0del blog <em>Indicator<\/em><\/a> que los resultados son dif\u00edciles de interpretar. El experto comprob\u00f3 el acierto de 38 posts de Grok en tuits sobre el asesinato de Alex Pretti en Minneapolis, y concluy\u00f3 que siete de ellos eran imprecisos, y otros 20 conten\u00edan alg\u00fan error.<\/p>\n\n\n\n<p>\u201cLas imprecisiones durante un evento de <em>breaking news<\/em> son comprensibles. Pero tambi\u00e9n peligrosas y muy inapropiadas para una herramienta incrustada en un medio que muchas personas emplean para acceder a noticias de \u00faltima hora\u00bb, escribe. Y concluye: \u00abEs necesario mucho m\u00e1s trabajo para hacer a Grok m\u00e1s adecuado para la retorcida tarea de verificar informaci\u00f3n dudosa, especialmente durante eventos de <em>breaking news. <\/em>Desafortunadamente, este trabajo no parece ser la prioridad de xAI\u201d, la empresa desarrolladora de Grok.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ca\u00edda en las notas de la comunidad<\/strong><\/h2>\n\n\n\n<p>El auge de Grok como herramienta de fact-checking inmediata y de gran alcance, coincide en el tiempo en <a href=\"https:\/\/papers.ssrn.com\/sol3\/papers.cfm?abstract_id=5545099&amp;utm_source=indicator.media&amp;utm_medium=newsletter&amp;utm_campaign=grok-is-this-true-how-x-s-chatbot-performs-as-a-fact-checking-tool&amp;_bhlid=639f96490b71760f7519da09774051a70278f288\" target=\"_blank\" rel=\"noreferrer noopener\">una ca\u00edda en el uso de las notas de la comunidad<\/a>, una herramienta por la que las plataformas de redes sociales apostaron hace un a\u00f1o como alternativa a los verificadores de hechos. La decisi\u00f3n se top\u00f3 entonces con el rechazo de la comunidad de fact-checking y con los cient\u00edficos expertos en desinformaci\u00f3n, <a href=\"https:\/\/www.elperiodico.com\/es\/vida-y-estilo\/20250119\/notas-comunidad-fact-checking-son-estrategias-complementarias-113439071\" target=\"_blank\" rel=\"noreferrer noopener\">tal y como explicamos<\/a>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una investigaci\u00f3n preliminar considera al chatbot una herramienta de verificaci\u00f3n \u00abinformativa, pero lejos de ser perfecta\u00bb<\/p>\n","protected":false},"author":15,"featured_media":90964,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[112,111],"tags":[],"class_list":{"0":"post-90965","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-soroll-verificaciones","8":"category-verificaciones","10":"with-featured-image"},"taxonomy_info":{"category":[{"value":112,"label":"Ruido"},{"value":111,"label":"Verificaciones"}]},"featured_image_src_large":["https:\/\/www.verificat.cat\/wp-content\/uploads\/2026\/02\/grok-1024x683.jpeg",905,604,true],"author_info":{"display_name":"Marc","author_link":"https:\/\/www.verificat.cat\/es\/author\/marc\/"},"comment_info":0,"category_info":[{"term_id":112,"name":"Ruido","slug":"soroll-verificaciones","term_group":0,"term_taxonomy_id":112,"taxonomy":"category","description":"","parent":111,"count":604,"filter":"raw","cat_ID":112,"category_count":604,"category_description":"","cat_name":"Ruido","category_nicename":"soroll-verificaciones","category_parent":111},{"term_id":111,"name":"Verificaciones","slug":"verificaciones","term_group":0,"term_taxonomy_id":111,"taxonomy":"category","description":"","parent":0,"count":1323,"filter":"raw","cat_ID":111,"category_count":1323,"category_description":"","cat_name":"Verificaciones","category_nicename":"verificaciones","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/90965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/comments?post=90965"}],"version-history":[{"count":1,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/90965\/revisions"}],"predecessor-version":[{"id":90966,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/posts\/90965\/revisions\/90966"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/media\/90964"}],"wp:attachment":[{"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/media?parent=90965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/categories?post=90965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.verificat.cat\/es\/wp-json\/wp\/v2\/tags?post=90965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}