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Every release, deal and policy move from Microsoft — updated daily.
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Copilot Users Collaborate More, Not Less: Study of 12,000 Employees
Employees who adopted Microsoft 365 Copilot initiated about 1.4 more collaboration hours a month and reached about 2.2 more colleagues than never-adopters, a log study of 12,040 workers finds.
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Model chronicle · Microsoft
MAI-Thinking-1 (7-model MAI family)
Flagship reasoning model plus MAI-Code-1-Flash, MAI-Image-2.5, MAI-Transcribe-1.5 and MAI-Voice-2.
microsoft.ai (source, opens in a new tab)MAI-1-preview & MAI-Voice-1
microsoft.ai (source, opens in a new tab)Phi-4
techcommunity.microsoft.com (source, opens in a new tab)Phi-3
azure.microsoft.com (source, opens in a new tab)
Sources: company announcements & release notes.
Fact box
- HQ
- Redmond, USA
- Founded
- 1975
- CEO
- Satya Nadella
- Core products
- Copilot · Azure AI Foundry · Phi · MAI models
- Stories
- 108
Sources: news.microsoft.com
Latest on X
Microsoft AI · @MicrosoftAI
Another No. 1 spot! MAI-Transcribe-2 takes first place for transcription accuracy in David AI's new benchmark. MAI-Transcribe-2 has the lowest error rate in 18 of 21 languages.
MAI-Image-2.6 & MAI-Image-2.6-Flash now available in Vercel!
MAI-Code-1.1-Flash is going local with on-device model calls inside Github Copilot. High-quality agentic coding on your device, with no inference charge for local model calls.
Build expressive voice agents with MAI models now in LiveKit. Learn more here: msft.it/6014alofr
MAI voice models are also available through OpenRouter. Learn more here: msft.it/6012aloIC
Editor's picks
Deals & funding
Microsoft · rounds, valuations, partners, acquisitions · latest 8 of 16
Partnership
Microsoft commits multiple billions to Mistral’s European GPU capacity
reuters.com (source, opens in a new tab)Partnership
Microsoft and OpenAI amend deal, ending exclusive licence
openai.com (source, opens in a new tab)Partnership
Microsoft and NVIDIA to invest up to $15B in Anthropic
Microsoft (up to $5B) and NVIDIA (up to $10B) to invest in Anthropic; Anthropic commits to $30B of Azure compute.
anthropic.com (source, opens in a new tab)Partnership
Lambda signs multibillion-dollar deal to deploy NVIDIA GB300 systems for Microsoft
lambda.ai (source, opens in a new tab)Partnership
IREN signs $9.7B five-year AI cloud contract with Microsoft
iren.com (source, opens in a new tab)Partnership
Microsoft and OpenAI sign new definitive agreement after recapitalisation
OpenAI recapitalises as a public benefit corporation; Microsoft holds about 27% (valued ~$135B) and OpenAI commits to $250B of Azure services.
openai.com (source, opens in a new tab)Partnership
Nscale contracts ~200,000 NVIDIA GB300 GPUs for Microsoft
nscale.com (source, opens in a new tab)Partnership
Microsoft adds Claude to Microsoft 365 Copilot
microsoft.com (source, opens in a new tab)
All 16 rounds & deals as a table · 0 funding, 16 partnerships, 0 acquisitions
| Date | Event | Type | Counterparty / round | Amount | Valuation | Source |
|---|---|---|---|---|---|---|
| Jul 21, 2026 | Microsoft commits multiple billions to Mistral’s European GPU capacity Microsoft will use Mistral Compute capacity in Europe and add Mistral models to Azure, Foundry and Copilot Studio; not a new equity investment (Reuters). | Partnership · compute | with Microsoft | — | — | reuters.com |
| Apr 27, 2026 | Microsoft and OpenAI amend deal, ending exclusive licence Amended terms: Microsoft stays primary cloud partner but loses exclusivity; OpenAI may sell products on other clouds. | Partnership · cloud | with OpenAI | — | — | openai.com |
| Nov 18, 2025 | Microsoft and NVIDIA to invest up to $15B in Anthropic Microsoft (up to $5B) and NVIDIA (up to $10B) to invest in Anthropic; Anthropic commits to $30B of Azure compute. | Partnership · compute | with NVIDIA, Anthropic | $15B | — | anthropic.com |
| Nov 3, 2025 | Lambda signs multibillion-dollar deal to deploy NVIDIA GB300 systems for Microsoft Multi-year agreement for tens of thousands of NVIDIA GPUs incl. GB300 NVL72; value not disclosed beyond 'multibillion'. | Partnership · compute | with Lambda | — | — | lambda.ai |
| Nov 3, 2025 | IREN signs $9.7B five-year AI cloud contract with Microsoft Access to NVIDIA GB300 capacity at IREN's Childress, Texas campus. | Partnership · compute | with IREN | $9.7B | — | iren.com |
| Oct 28, 2025 | Microsoft and OpenAI sign new definitive agreement after recapitalisation OpenAI recapitalises as a public benefit corporation; Microsoft holds about 27% (valued ~$135B) and OpenAI commits to $250B of Azure services. | Partnership · licensing | with OpenAI | $250B | — | openai.com |
| Oct 15, 2025 | Nscale contracts ~200,000 NVIDIA GB300 GPUs for Microsoft Deployments in Texas, Portugal, the UK and Norway; Reuters reported potential revenue of up to $14B. | Partnership · compute | with Nscale | — | — | nscale.com |
| Sep 24, 2025 | Microsoft adds Claude to Microsoft 365 Copilot Claude Opus 4.1 and Sonnet 4 become selectable in the Researcher agent and Copilot Studio alongside OpenAI models. | Partnership · integration | with Microsoft | — | — | microsoft.com |
| Sep 8, 2025 | Nebius signs $17.4B GPU infrastructure deal with Microsoft Five-year deal for capacity from Nebius' Vineland, New Jersey data center; can rise to $19.4B (Nebius filing). | Partnership · compute | with Nebius | $17.4B | — | reuters.com |
| May 19, 2025 | Microsoft hosts Grok 3 and Grok 3 mini on Azure AI Foundry Announced at Build: Grok models hosted and billed directly by Microsoft with Azure SLAs. Pricing from June 2025: Grok 3 $3/$15 and Grok 3 mini $0.25/$1.27 per 1M tokens (global). | Partnership · distribution | with Microsoft | — | — | devblogs.microsoft.com |
| Sep 20, 2024 | Constellation restarts Three Mile Island unit to power Microsoft (20-year PPA) 20-year power purchase agreement to restart the 835 MW Three Mile Island Unit 1 (renamed Crane Clean Energy Center) for Microsoft data centers. | Partnership · energy | with Constellation Energy | — | — | constellationenergy.com |
| Apr 16, 2024 | Microsoft invests $1.5B in Abu Dhabi’s G42 Minority stake; G42 runs its AI applications on Azure and Brad Smith joins G42's board. | Partnership · investment | with G42 | $1.5B | — | news.microsoft.com |
| Mar 19, 2024 | Microsoft hires Inflection AI founders, pays ~$650M licence Microsoft hires Mustafa Suleyman and most Inflection staff to form Microsoft AI; pays ~$650M mainly for licensing. | Partnership · licensing | with Inflection AI | $650M | — | blogs.microsoft.com |
| Feb 26, 2024 | Microsoft partnership: Mistral Large on Azure, €15M investment Multi-year deal: Mistral models on Azure AI, supercomputing for training. Microsoft's €15M (~$16M) minority investment converts into equity in a later round (reported by Reuters/FT). | Partnership · investment | with Microsoft | $16M | — | azure.microsoft.com |
| Jan 23, 2023 | Microsoft extends OpenAI partnership with reported $10B investment Third phase of the partnership: multiyear, multibillion-dollar investment; Azure remains OpenAI's exclusive cloud. | Partnership · cloud | with OpenAI | $10B | — | blogs.microsoft.com |
| Jul 22, 2019 | Microsoft invests $1B in OpenAI; Azure becomes exclusive cloud Microsoft invests $1B and becomes OpenAI's exclusive cloud provider; the two co-develop Azure AI supercomputing. | Partnership · investment | with Microsoft | $1B | — | openai.com |
Sources: company announcements & release notes, press reports.
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Mistral Medium 3.5 in Copilot Studio: Multi-Model Enterprise AI
Microsoft adds Mistral Medium 3.5 to Copilot Studio, letting enterprises build agents with European models inside Microsoft 365.…
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NVIDIA GB300 in Azure: Anthropic’s Secure Enterprise AI Agents
Anthropic deploys frontier models on NVIDIA GB300 in Azure to power secure enterprise AI agents. This enables efficient,…
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Grok for Excel: AI-Powered Data Analysis in Microsoft Excel
Discover how Grok for Excel brings xAI capabilities to spreadsheets for natural language formulas and visualizations. Learn about…
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MicroLEDs: Microsoft’s Solution to AI Power Consumption
Discover how Microsoft Research is leveraging GaN-based microLEDs to boost wall-plug efficiency in AI optical interconnects, tackling soaring…
More stories
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Hybrid Computer-Use Agents Top Out at 41% When GUI and CLI Must Work Together
WeaveBench’s 114 real-world tasks: best PassRate 41.2%. GUI-only or CLI-only collapse below 3.5%. Outcome-only grading overestimates GPT-5.5 from 53.5% to an audited 33.3%.
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AI Agents Guess Wrong at Critical Forks 40% of the Time, Taste-Bench Shows
Taste-Bench’s 502 decision-fork questions: the best frontier model scores only 59.7%. Later evidence is harder, and bigger reasoning budgets do not help — but taste can…
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Responsible AI: From Principles to Enterprise Compliance Tools
See how Responsible AI has moved from ethical statements to operational dashboards and compliance stacks at Microsoft, AWS, and Google. Understand impacts on finance, healthcare, and…
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AI Model Routing Platforms: Hyperscalers vs Startups
The AI race now centers on routing layers as enterprises adopt unified model platforms. Compare Azure, Google, OpenRouter and Together AI on governance, cost, and interoperability.…
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Zero Data Retention (ZDR) for Enterprise AI Adoption
Discover how Zero Data Retention from OpenAI, Anthropic, Azure, and AWS unlocks secure LLM use in finance, healthcare, and defense. Learn the compliance benefits and observability…
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How Hyperscalers Are Becoming Sovereign AI Factories
Hyperscalers like AWS, Azure, Google Cloud, and Meta are shifting to custom AI chips and gigawatt-scale infrastructure. Discover the physical and economic changes driving AI deployment.…
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OpenAI Partnerships: Building the AI Ecosystem
OpenAI has expanded beyond API access through alliances with Microsoft, Apple, Reddit, News Corp, and PwC. This analysis explores data licensing, distribution channels, and enterprise procurement…
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Gemini 1.5 Edges Out Copilot in AI-First Search
Gemini 1.5 Pro and Flash are gaining ground on Copilot in AI search by excelling at speed, context, and low-latency RAG. See why infrastructure choices matter…
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Grounded Generation: Making Enterprise LLMs Reliable
Learn how grounded generation ties LLMs to fresh data, reducing hallucinations and enabling auditable, trustworthy AI. See vendor options from Google, Microsoft, Cohere and Vectara plus…
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Nadella Defends OpenAI Capped-Profit Model for AGI
Microsoft CEO Satya Nadella testifies in support of OpenAI’s hybrid capped-profit structure amid Elon Musk’s lawsuit, highlighting the massive capital needs for AI infrastructure and AGI.…
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Satya Nadella OpenAI Testimony: AI Funding Shift
Unpack Satya Nadella’s testimony on Microsoft’s role in OpenAI’s nonprofit to capped-profit pivot. Explore implications for AI labs, hyperscalers, regulators, and enterprises amid antitrust scrutiny. Discover…
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OpenAI MRC: Fixing AI Training Slowdowns Partnership
OpenAI partners with Microsoft, NVIDIA, and AMD on the MRC initiative to combat slowdowns in massive AI training clusters. Standardizing diagnostics for better reliability, throughput, and…
Models & specs
Microsoft · context window, max output, API price, modalities, knowledge cutoff, license
| Model | Released | Context | Max output | Price in / out (per 1M) | Modalities | Knowledge cutoff | License / access | Spec source |
|---|---|---|---|---|---|---|---|---|
| MAI-Thinking-1 (7-model MAI family) | Jun 2, 2026 | — | — | — | — | — | — | microsoft.ai |
| MAI-1-preview & MAI-Voice-1 | Aug 28, 2025 | — | — | — | — | — | — | microsoft.ai |
| Phi-4 | Dec 12, 2024 | 16K | — | open weights | Text in → text out | — | Open weights, MIT 14B dense | techcommunity.microsoft.com |
| Phi-3 | Apr 23, 2024 | 128K | — | open weights 4K and 128K context variants. | Text in → text out | — | Open weights, MIT Phi-3-mini 3.8B (also small 7B, medium 14B) | azure.microsoft.com |
Sources: company announcements & release notes. Prices = standard API list price in USD per 1M tokens at time of release or current docs; batch is typically 50% off.