{"id":6057,"date":"2025-09-29T09:58:41","date_gmt":"2025-09-29T16:58:41","guid":{"rendered":""},"modified":"2026-02-18T12:43:27","modified_gmt":"2026-02-18T20:43:27","slug":"available-today-claude-sonnet-4-5-in-microsoft-copilot-studio","status":"publish","type":"copilot","link":"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/copilot-studio\/available-today-claude-sonnet-4-5-in-microsoft-copilot-studio\/","title":{"rendered":"Available today: Claude Sonnet 4.5 in\u00a0Microsoft\u00a0Copilot Studio"},"content":{"rendered":"\n<p>We\u2019re&nbsp;excited to announce that Claude Sonnet 4.5&nbsp;\u2013&nbsp;Anthropic\u2019s&nbsp;latest and most capable model&nbsp;\u2013 is rolling out today in Microsoft Copilot Studio.&nbsp;This builds on <a href=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/copilot-studio\/anthropic-joins-the-multi-model-lineup-in-microsoft-copilot-studio\/\">last week\u2019s announcement<\/a> and our commitment to&nbsp;bring the best AI innovation from across the&nbsp;industry to Microsoft 365 Copilot, tuned for work and tailored to your business needs.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-chevron-right\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.microsoft.com\/en-us\/microsoft-365-copilot\/microsoft-copilot-studio\/\" target=\"_blank\">Try Microsoft Copilot Studio<\/a><\/div>\n<\/div>\n\n\n\n<p>Claude Sonnet 4.5 will replace Claude Sonnet 4 in Copilot Studio&nbsp;and can be chosen&nbsp;for orchestration. Availability from prompt builder&nbsp;will arrive later in October.&nbsp;If you have already opted into using&nbsp;Anthropic models&nbsp;in your tenant, there&#8217;s no action required.&nbsp;Otherwise,&nbsp;you can get started&nbsp;by&nbsp;enabling access&nbsp;in&nbsp;the&nbsp;<a href=\"https:\/\/learn.microsoft.com\/en-us\/copilot\/microsoft-365\/connect-to-ai-models\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Admin Center (MAC)<\/a>.&nbsp;<\/p>\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16-1024x559.webp\" alt=\"A screenshot with zoomed inset showing a user choosing Claude Sonnet 4.5 as their agent's model\" class=\"wp-image-6065 webp-format\" srcset=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16-1024x559.webp 1024w, https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16-300x164.webp 300w, https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16-768x420.webp 768w, https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16-1536x839.webp 1536w, https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16.webp 1880w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-orig-src=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/image-16-1024x559.webp\"><\/figure>\n\n\n\n<p>You can learn more about Claude Sonnet 4.5&nbsp;from&nbsp;Anthropic\u2019s&nbsp;launch announcement: <a href=\"https:\/\/www.anthropic.com\/news\/claude-sonnet-4-5\">Introducing Claude Sonnet 4.5 \\ Anthropic<\/a>. Read more about model choice in Copilot Studio <a href=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/copilot-studio\/anthropic-joins-the-multi-model-lineup-in-microsoft-copilot-studio\/\">here<\/a>.<\/p>\n\n\n\n<aside class=\"cta-block cta-block--align-left cta-block--has-image wp-block-msx-cta\" data-bi-an=\"CTA Block\">\n\t<div class=\"cta-block__content\">\n\t\t\t\t\t<div class=\"cta-block__image-container\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/Woman-waving-Claude.jpg\" class=\"cta-block__image\" alt=\"\" srcset=\"https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/Woman-waving-Claude.jpg 1000w, https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/Woman-waving-Claude-300x200.jpg 300w, https:\/\/www.microsoft.com\/en-us\/microsoft-copilot\/blog\/wp-content\/uploads\/2025\/09\/Woman-waving-Claude-768x512.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t<\/div>\n\t\t\n\t\t<div class=\"cta-block__body\">\n\t\t\t<h2 class=\"cta-block__headline\">Microsoft Copilot Studio<\/h2>\n\t\t\t<p class=\"cta-block__text\">Transform your business processes with secure, powerful AI agents.<\/p>\n\t\t\t\t\t\t\t<div class=\"cta-block__actions\">\n\t\t\t\t\t<a\n\t\t\t\t\t\thref=\"https:\/\/www.microsoft.com\/en-us\/microsoft-365-copilot\/microsoft-copilot-studio\/\"\n\t\t\t\t\t\tclass=\"btn cta-block__link btn-light\"\n\t\t\t\t\t\t\t\t\t\t\t>\n\t\t\t\t\t\tTry for free\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t<\/div>\n<\/aside>\n","protected":false},"excerpt":{"rendered":"<p>Claude Sonnet 4.5\u00a0\u2013\u00a0Anthropic\u2019s\u00a0latest and most capable model\u00a0\u2013 is rolling out today in Microsoft Copilot Studio.<\/p>\n","protected":false},"author":104,"featured_media":6067,"template":"","cs-content-type":[937,934],"cs-topic":[940,942],"coauthors":[1003],"class_list":["post-6057","copilot","type-copilot","status-publish","has-post-thumbnail","hentry","cs-content-type-feature-releases","cs-content-type-news","cs-topic-agentic-ai","cs-topic-product-integrations"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Available today: Claude Sonnet 4.5 in\u00a0Microsoft\u00a0Copilot Studio | Microsoft Copilot Blog<\/title>\n<meta name=\"description\" content=\"Claude Sonnet 4.5\u00a0\u2013\u00a0Anthropic\u2019s\u00a0latest and most capable model\u00a0\u2013 is rolling out today in Microsoft Copilot Studio.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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