{"id":50611,"date":"2026-04-23T15:00:00","date_gmt":"2026-04-23T22:00:00","guid":{"rendered":"https:\/\/azure.microsoft.com\/en-us\/blog\/?p=50611"},"modified":"2026-04-23T15:53:50","modified_gmt":"2026-04-23T22:53:50","slug":"openais-gpt-5-5-in-microsoft-foundry-frontier-intelligence-on-an-enterprise-ready-platform","status":"publish","type":"post","link":"https:\/\/azure.microsoft.com\/en-us\/blog\/openais-gpt-5-5-in-microsoft-foundry-frontier-intelligence-on-an-enterprise-ready-platform\/","title":{"rendered":"OpenAI\u2019s GPT-5.5 in Microsoft Foundry: Frontier intelligence on an enterprise ready platform"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>OpenAI\u2019s GPT-5.5 will be generally available tomorrow in <a href=\"https:\/\/azure.microsoft.com\/en-us\/products\/ai-foundry\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Foundry<\/a><\/strong>, bringing OpenAI\u2019s latest frontier model to Azure and the enterprise teams building agents for real production work.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GPT-5.5 continues a clear progression in the GPT-5 series. GPT-5 brought unified reasoning and speed into a single system. GPT-5.4 brought stronger multi-step reasoning and early agentic capabilities for enterprise use. GPT-5.5 advances this arc with deeper long-context reasoning, more reliable agentic execution, improved computer-use accuracy, and greater token efficiency\u2014designed for sustained, high-stakes professional workflows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Powerful models alone aren\u2019t enough to operationalize agentic AI at scale. <strong>Microsoft Foundry<\/strong> provides the platform layer that turns frontier models into usable, governable systems that enable enterprises to apply security policy and management at the platform level. Foundry is a unified, interoperable environment to build, optimize, and deploy AI applications and agents with confidence. Customers benefit from broad model choice, open and flexible agent frameworks, native integration with enterprise systems and productivity tools, and enterprise-grade security, compliance, and governance. When new models like GPT-5.5 become available, Foundry makes it easy to evaluate, productionize, and scale them without friction.<\/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\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/ai.azure.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Explore models in Microsoft Foundry<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-s-new-in-gpt-5-5\">What&#8217;s new in GPT-5.5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">GPT-5.5 is built for professional scenarios where precision, reliability, and persistence matter. GPT-5.5 Pro, a premium variant, extends reasoning depth and task complexity for the most demanding enterprise workloads.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"wp-block-list-item\"><strong>Improved agentic coding and computer-use<\/strong>: Executes multi-step engineering tasks end-to-end\u2014holding context across large systems, diagnosing the root cause of ambiguous failures at the architectural level, and reasoning through what else in the codebase a fix will affect before making a move. It anticipates downstream testing and review requirements without needing to be told, and navigates software interfaces with improved precision and more reliable recovery when execution takes an unexpected turn.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Autonomous execution and research depth<\/strong>: Goes beyond code to handle the full span of professional work\u2014producing polished deliverables like documents, spreadsheets, and presentations. For research-intensive workflows, GPT-5.5 operates as an active collaborator across the entire arc from question to output: refining drafts across multiple passes, stress-testing analytical reasoning, proposing approaches, and synthesizing across documents, data, and code to drive work forward rather than just answering it.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Complex reasoning and long-context analysis<\/strong>: Handles extensive documents, codebases, and multi-session histories without losing the thread.<\/li>\n\n\n\n<li class=\"wp-block-list-item\"><strong>Token efficiency built for scale<\/strong>:<strong> <\/strong>GPT-5.5 reaches higher-quality outputs with fewer tokens and fewer retries\u2014lowering cost and latency for production deployments at scale.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">GPT-5.5 is particularly well suited for domains where the cost of imprecision is high\u2014such as software engineering, DevOps, legal, health sciences, and professional services. With GPT-5.5 in Microsoft Foundry, customers can pair OpenAI\u2019s latest frontier model with enterprise-grade infrastructure to put agentic AI into production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"microsoft-foundry-the-operating-system-for-gpt-5-5-agents-at-scale\">Microsoft Foundry: The operating system for GPT-5.5 agents at scale<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Access to a frontier model is just the starting point. What we see from customers is that the hard part isn&#8217;t building an agent: it&#8217;s running thousands of them in production, with real isolation, identity, and governance. That\u2019s where <a href=\"https:\/\/azure.microsoft.com\/en-us\/products\/ai-foundry\/agent-service\" target=\"_blank\" rel=\"noreferrer noopener\">Foundry Agent Service<\/a> comes in.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A revolution is unfolding in the market<\/strong>. Now, a developer can reliably reason through a business problem with a coding agent\u2014human\u2019s interact with a model doing heavy thinking, research, asking questions \u2014 and the output is a production agent: a declarative workflow suitable for a specific task, and connected to your business systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These declarative agents can be defined in YAML or written in a harness like Microsoft Agent Framework, <a href=\"https:\/\/github.blog\/news-insights\/company-news\/build-an-agent-into-any-app-with-the-github-copilot-sdk\/\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub Copilot SDK<\/a>, or virtually any library.&nbsp;With <a href=\"https:\/\/devblogs.microsoft.com\/foundry\/introducing-the-new-hosted-agents-in-foundry-agent-service-secure-scalable-compute-built-for-agents\/\" target=\"_blank\" rel=\"noreferrer noopener\">hosted agents in Foundry Agent Service<\/a>, LangGraph, Claude Agent SDK, and OpenAI Agents SDKs all work the same way. Engineers can run a single command to land agents in an isolated sandbox with a persistent filesystem, a distinct Microsoft Entra identity, and scale-to-zero pricing. <strong>Enterprise ready agents, at scale, powered by GPT-5.5<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.youtube.com\/watch?v=iR7_57lJOz8\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-23-154728-1.webp\" alt=\"Foundry Agent Service and Microsoft Agent Framework video.\" class=\"wp-image-50626 webp-format\" data-orig-src=\"https:\/\/azure.microsoft.com\/en-us\/blog\/wp-content\/uploads\/2026\/04\/Screenshot-2026-04-23-154728-1.webp\"><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Learn more about <a href=\"https:\/\/azure.microsoft.com\/en-us\/products\/ai-foundry\/agent-service\" target=\"_blank\" rel=\"noreferrer noopener\">Foundry Agent Service<\/a> and <a href=\"https:\/\/learn.microsoft.com\/en-us\/agent-framework\/overview\/?pivots=programming-language-csharp\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Agent Framework<\/a>.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pricing\">Pricing<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Model<\/strong><\/td><td><strong>Input<\/strong> <strong>($\/M tokens)<\/strong><\/td><td><strong>Cached Input ($\/M tokens)<\/strong><\/td><td><strong>Output<\/strong> <strong>($\/M tokens)<\/strong><\/td><\/tr><tr><td><strong>GPT-5.5<\/strong><\/td><td>$5.00<\/td><td>$0.50<\/td><td>$30.00<\/td><\/tr><tr><td><strong>GPT-5.5 Pro<\/strong><\/td><td>$30.00<\/td><td>$3.00<\/td><td>$180.00<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"get-started-with-microsoft-foundry\">Get started with Microsoft Foundry<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Stop experimenting and start building your next production AI workloads with GPT-5.5 in <a href=\"https:\/\/azure.microsoft.com\/en-us\/products\/ai-foundry\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft Foundry<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OpenAI\u2019s GPT-5.5 will be generally available in Microsoft Foundry, bringing OpenAI\u2019s latest frontier model to Azure and the enterprise teams building agents for real production work.<\/p>\n","protected":false},"author":41,"featured_media":50612,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ms_queue_id":[],"ep_exclude_from_search":false,"_classifai_error":"","_classifai_text_to_speech_error":"","_alt_title":"","footnotes":"","msx_community_cta_settings":[]},"categories":[1454],"tags":[],"audience":[3072,3054,3055],"content-type":[1465],"product":[3164],"tech-community":[3041],"topic":[],"coauthors":[3306],"class_list":["post-50611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-machine-learning","audience-ai-professionals","audience-business-decision-makers","audience-developers","content-type-announcements","product-microsoft-foundry","review-flag-1680286581-295","review-flag-1680286584-658","review-flag-3-1680286581-173","review-flag-4-1680286581-250","review-flag-5-1680286581-950","review-flag-new-1680286579-546"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>OpenAI\u2019s GPT-5.5 in Microsoft Foundry: Frontier intelligence on an enterprise ready platform | Microsoft Azure Blog<\/title>\n<meta name=\"description\" content=\"OpenAI\u2019s GPT-5.5 will be generally available in Microsoft Foundry. 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