{"id":57077,"date":"2026-05-31T23:35:04","date_gmt":"2026-05-31T23:35:04","guid":{"rendered":"https:\/\/www.europesays.com\/ai\/57077\/"},"modified":"2026-05-31T23:35:04","modified_gmt":"2026-05-31T23:35:04","slug":"openai-gives-japan-banks-access-to-latest-model-japans-finance-minister-says-2","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ai\/57077\/","title":{"rendered":"OpenAI gives Japan banks access to latest model, Japan&#8217;s finance minister says"},"content":{"rendered":"<p>TOKYO, May 29 (Reuters) &#8211; OpenAI has given some Japanese financial institutions access to its GPT-5.5 model to help \u200bprevent cyberattacks, Japanese Finance Minister Satsuki Katayama said on \u200cFriday after a meeting with the U.S. company&#8217;s chief strategy officer.<\/p>\n<p>The release of new models of AI able to code at a high level has given \u200bhackers an unprecedented ability to identify cybersecurity risks and devise \u200bways to exploit them.<\/p>\n<p data-testid=\"promo-box\" class=\"text-module__text__0GDob text-module__dark-grey__UFC18 text-module__regular__qJJtA text-module__small__sph8i body-module__base__o--Cl body-module__small_body__gOmDf article-body-module__promo-box__hVl8h\"> Sign up  <a data-testid=\"Link\" referrerpolicy=\"no-referrer-when-downgrade\" href=\"https:\/\/www.reuters.com\/world\/asia-pacific\/openai-gives-japan-banks-access-latest-model-japans-finance-minister-says-2026-05-29\/undefined?location=article-paragraph&amp;redirectUrl=%2Fworld%2Fasia-pacific%2Fopenai-gives-japan-banks-access-latest-model-japans-finance-minister-says-2026-05-29%2F\" class=\"text-module__text__0GDob text-module__inherit-color__PhuPF text-module__inherit-font__1P1hv text-module__inherit-size__EyiQW link-module__link__INqxZ link-module__underline_default__-okuC\" rel=\"nofollow noopener\" target=\"_blank\">here.<\/a><\/p>\n<p>One defence for the banks and \u2060other companies at risk of being destablilised is early access to \u200bthe new models that are available only to trusted partners.<\/p>\n<p>Without naming \u200bany of the financial institutions, Katayama said the access they were getting was &#8220;a big step forward in strengthening Japanese financial institutions&#8217; ability to defend against cyberattacks&#8221;. She \u200bwas speaking to reporters after meeting Jason Kwon, OpenAI&#8217;s chief \u200bstrategy officer, in Tokyo.<\/p>\n<p>Item 1 of 2 OpenAI logo is seen in this illustration taken June 18, 2025. REUTERS\/Dado Ruvic\/Illustration\/File Photo<\/p>\n<p>[1\/2]OpenAI logo is seen in this illustration taken June 18, 2025. REUTERS\/Dado Ruvic\/Illustration\/File Photo <a data-testid=\"Link\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" href=\"https:\/\/www.reutersconnect.com\/item\/illustration-shows-openai-logo\/dGFnOnJldXRlcnMuY29tLDIwMjU6bmV3c21sX1JDMjc1RkE2TjNEWQ%3D%3D\/?utm_medium=rcom-article-media&amp;utm_campaign=rcom-rcp-lead\" rel=\"noopener nofollow\" class=\"text-module__text__0GDob text-module__inherit-color__PhuPF text-module__inherit-font__1P1hv text-module__inherit-size__EyiQW link-module__link__INqxZ link-module__underline_default__-okuC link-module__with-icon__qlg76 collapsible-caption-module__license__CPQvV\">Purchase Licensing Rights, opens new tab<\/a>The <a data-testid=\"Link\" referrerpolicy=\"no-referrer-when-downgrade\" href=\"https:\/\/www.reuters.com\/world\/asia-pacific\/japans-major-lenders-use-openais-new-model-thwart-cyberattacks-nikkei-reports-2026-05-28\/\" class=\"text-module__text__0GDob text-module__inherit-color__PhuPF text-module__inherit-font__1P1hv text-module__inherit-size__EyiQW link-module__link__INqxZ link-module__underline_default__-okuC\" rel=\"nofollow noopener\" target=\"_blank\">Nikkei newspaper<\/a> reported on Thursday that Japan&#8217;s three biggest banks &#8211; MUFG \u200cBank, \u2060Sumitomo Mitsui Banking Corp and Mizuho Bank &#8211; were expected to gain access to OpenAI&#8217;s latest model, which is believed to be on a par with that of rival Anthropic&#8217;s Claude Mythos.<\/p>\n<p>MUFG and Mizuho declined \u200bto comment. Sumitomo \u200bMitsui Banking \u2060was not immediately available to comment.<\/p>\n<p>Katayama said on Friday that Japan&#8217;s government and financial institutions were also \u200bexpected to gain access to Mythos to enhance their \u200bdefences.<\/p>\n<p>As \u2060it strives to counter threats from AI, Japan this month set up a public-private working group to address cybersecurity risks to the financial system \u2060posed \u200bby Mythos.<\/p>\n<p>OpenAI&#8217;s decision to grant access to \u200bJapanese financial institutions followed negotiations between Japanese and U.S. governments after it allowed <a data-testid=\"Link\" referrerpolicy=\"no-referrer-when-downgrade\" href=\"https:\/\/www.reuters.com\/sustainability\/boards-policy-regulation\/openai-gives-european-companies-access-its-latest-models-bolster-resilience-2026-05-12\/\" class=\"text-module__text__0GDob text-module__inherit-color__PhuPF text-module__inherit-font__1P1hv text-module__inherit-size__EyiQW link-module__link__INqxZ link-module__underline_default__-okuC\" rel=\"nofollow noopener\" target=\"_blank\">European companies<\/a> \u200bsimilar access.<\/p>\n<p data-testid=\"SignOff\" class=\"text-module__text__0GDob text-module__dark-grey__UFC18 text-module__regular__qJJtA text-module__extra_small__8Buss body-module__full_width__kCIGb body-module__extra_small_body__Bfz20 sign-off-module__text__LQAMP\">Reporting by Leika Kihara; Editing by Himani Sarkar and Barbara Lewis<\/p>\n<p data-testid=\"Body\" dir=\"ltr\" class=\"text-module__text__0GDob text-module__dark-grey__UFC18 text-module__regular__qJJtA text-module__small__sph8i body-module__base__o--Cl body-module__small_body__gOmDf article-body-module__element__5eCce article-body-module__trust-badge__5mS3f\">Our Standards: <a data-testid=\"Link\" target=\"_blank\" referrerpolicy=\"no-referrer-when-downgrade\" href=\"https:\/\/www.thomsonreuters.com\/en\/about-us\/trust-principles.html\" rel=\"noopener nofollow\" class=\"text-module__text__0GDob text-module__dark-grey__UFC18 text-module__medium__2Rl30 text-module__small__sph8i link-module__link__INqxZ link-module__underline_default__-okuC link-module__with-icon__qlg76\">The Thomson Reuters Trust Principles., opens new tab<\/a><\/p>\n<p><a href=\"https:\/\/www.reutersagency.com\/en\/licensereuterscontent\/?utm_medium=rcom-article-media&amp;utm_campaign=rcom-rcp-lead\" target=\"_blank\" dir=\"ltr\" class=\"button-module__link__A3sD0 button-module__secondary__70gBu button-module__round__QDFgq button-module__w_auto__Sem-F\" data-testid=\"LicenceContentButton\" rel=\"nofollow noopener\">Purchase Licensing Rights<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"TOKYO, May 29 (Reuters) &#8211; OpenAI has given some Japanese financial institutions access to its GPT-5.5 model to&hellip;\n","protected":false},"author":2,"featured_media":57078,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[11985,11971,3991,33221,11995,33226,33227,33228,33210,33211,11973,33212,33237,33231,33238,33244,33241,33236,33242,33232,33233,33245,11991,11990,11989,33239,33234,33246,33235,33223,33240,33243,33229,33220,33213,11987,11996,33214,33215,11975,6903,33216,33222,33217,33225,11986,33218,157,33219,11979,11981,28220,33224,11992,11983,781,11984,12000,11994,156,33230],"class_list":["post-57077","post","type-post","status-publish","format-standard","has-post-thumbnail","category-openai","tag-amers","tag-arti","tag-asia","tag-asxpac","tag-bisv","tag-bnk","tag-bnks","tag-bsvc","tag-cbsec","tag-clj","tag-cmpny","tag-crim","tag-destabn","tag-destabx","tag-destbnx","tag-destd","tag-destdnp","tag-deste","tag-destfun","tag-destj","tag-destm","tag-destnat","tag-destocabsm","tag-destousbsm","tag-destoustcm","tag-destpsc","tag-destptd","tag-destrbn","tag-destrnp","tag-destseabs","tag-destu","tag-destucdptest","tag-dli","tag-easia","tag-eco","tag-fin","tag-fins","tag-fraud1","tag-frx","tag-gen","tag-hack","tag-itec","tag-jp","tag-mce","tag-mtpix","tag-namer","tag-news1","tag-openai","tag-plcy","tag-privt","tag-sci","tag-soci","tag-sofapp","tag-sofw","tag-swit","tag-tech","tag-tmt","tag-topcmb","tag-topnws","tag-us","tag-www"],"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/57077","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/comments?post=57077"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/posts\/57077\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media\/57078"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/media?parent=57077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/categories?post=57077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ai\/wp-json\/wp\/v2\/tags?post=57077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}