Releases

Microsoft launches Windows AI Foundry as a unified platform for the local and cloud AI developer lifecycle on Windows.

Microsoft makes Azure AI Foundry Agent Service generally available with multi-agent orchestration and open-protocol support.

GitHub launches an asynchronous Copilot coding agent that works in an isolated environment and opens pull requests for review.

Microsoft releases Phi-4 Mini Reasoning for efficient step-by-step mathematical reasoning on constrained hardware.

Microsoft releases Phi-4 Reasoning Plus, adding reinforcement learning for stronger and longer reasoning traces.

Microsoft releases Phi-4 Reasoning, a 14-billion-parameter model trained for complex multistep math, science and coding tasks.

Microsoft begins rolling out its Wave 2 spring release with Researcher, Analyst, Agent Store, richer creation and expanded enterprise search.

Microsoft updates Copilot with personalization through Memory, task execution through Actions, Deep Research and expanded Vision capabilities.

Microsoft had a public equity market capitalization of approximately $2.791 trillion as of Mar 31, 2025 (NASDAQ: MSFT), per StockAnalysis period-end data.

Microsoft announces Analyst, a Microsoft 365 Copilot reasoning agent for data analysis, modeling and report creation.

Microsoft announces Researcher and Analyst as reasoning agents for multistep research and data analysis in Microsoft 365 Copilot.

Microsoft introduces Dragon Copilot, combining ambient clinical documentation, dictation and healthcare workflow assistance.

Microsoft releases Phi-4 Multimodal, a 5.6-billion-parameter model jointly processing speech, vision and text.

Microsoft releases Phi-4 Mini, a compact long-context language model with multilingual and function-calling capabilities.

Microsoft Research and Xbox introduce Muse, a generative world and action model trained on gameplay sequences.

Microsoft and OpenAI update their partnership structure while preserving Microsoft rights to OpenAI intellectual property and Azure API exclusivity.

Microsoft Research publishes MatterGen, a generative model that designs stable inorganic materials conditioned on target properties.

Microsoft launches Microsoft 365 Copilot Chat with web-grounded AI chat, work-data access and support for agents.

Microsoft forms CoreAI – Platform and Tools under Jay Parikh, combining developer, AI platform, supercomputing and agent-runtime teams.

Microsoft says it is on track to invest approximately $80 billion during fiscal 2025 in AI-enabled datacenters for training models and deploying AI applications.

Microsoft had a public equity market capitalization of approximately $3.134 trillion as of Dec 31, 2024 (NASDAQ: MSFT), per StockAnalysis period-end data.

Microsoft releases Phi-4, a 14-billion-parameter small language model specializing in complex reasoning.

Microsoft begins previewing Copilot Vision, allowing Copilot to discuss and assist with shared browsing content.

Microsoft Research introduces BioEmu for efficiently sampling diverse protein conformational ensembles.

Microsoft begins releasing Recall to Windows Insiders on supported Copilot+ PCs after redesigning security and privacy controls.

Microsoft launches Azure AI Agent Service in preview for building and managing enterprise AI agents.

Microsoft introduces Azure AI Foundry as a unified platform for developing, evaluating, deploying and governing AI applications and agents.

GitHub introduces Spark, an AI-native tool for building application experiences from natural language.

Microsoft had a public equity market capitalization of approximately $3.198 trillion as of Sep 30, 2024 (NASDAQ: MSFT), per StockAnalysis period-end data.

Microsoft, BlackRock, Global Infrastructure Partners and MGX form an investment partnership to mobilize capital for AI datacenters and supporting energy infrastructure.

Microsoft releases Phi-3.5 Vision for multimodal image and text understanding.

Microsoft releases Phi-3.5 MoE, a mixture-of-experts small language model.

Microsoft releases Phi-3.5 Mini with multilingual support and a long context window.

GitHub launches Models in beta, letting developers compare and experiment with multiple AI models inside GitHub.

Microsoft Designer exits preview as a standalone app and expands generative design capabilities across Microsoft products.

The first Copilot+ PCs become generally available from Microsoft and hardware partners.

Microsoft releases Florence-2, a unified prompt-based vision model for captioning, grounding, detection and segmentation.

Microsoft changes Recall from broad Copilot+ PC availability to a Windows Insider preview while strengthening security and privacy protections.

Microsoft introduces Phi-3 Vision, a 4.2-billion-parameter multimodal model for image, chart, graph and table reasoning.

Microsoft expands Phi-3 with 7B Small and 14B Medium open models.

Microsoft releases Phi-3 Medium for higher-capability small-model workloads.

Microsoft Research introduces Aurora, a foundation model for weather and atmospheric forecasting across multiple environmental domains.

Microsoft introduces Phi Silica, an on-device small language model optimized for Windows neural processing units.

Microsoft announces Recall, an on-device searchable visual history for Copilot+ PCs with user privacy controls.

Microsoft introduces Copilot+ PCs with neural processing units and a new generation of on-device AI experiences.

GitHub opens a technical preview of Copilot Workspace, an agentic environment for moving from issues to plans and implementations.

Microsoft releases Phi-3 Mini, a 3.8-billion-parameter model designed for capable language and reasoning on constrained devices.

Microsoft invests $1.5 billion in G42 and expands a strategic partnership covering Azure, responsible AI, infrastructure and emerging-market deployments.

Security Copilot becomes generally available with integrations across Microsoft's security portfolio.

Microsoft enters an AI licensing arrangement with Inflection and hires Mustafa Suleyman, Karén Simonyan and members of the Inflection team to build Microsoft AI.