@msdev

Dive into the biggest news from Microsoft Build and learn how to start building with it today 👇

blogs.microsoft.com/blog/2026/06/02/microsoft-build-2026-be-yourself-at-work/
Joined February 2013
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Something new is coming from Windows xitter.cf/i/broadcasts/1dGYlaQvl…
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Microsoft Developer

Something new is coming from Windows

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Replying to @lukeinbkk
Less environment wrangling, more building. 🚀
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Replying to @Iris97w
Happy building 😎
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Replying to @Azure @shanselman
Got my popcorn ready for another Azure Friday 🍿
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Register by Oct. 20. Submit by Oct. 27: events.microsoft.com/flow/mi…
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You have an idea. Now take it beyond the scoreline. ​ Build something that changes how football is understood, told, or experienced with AI.
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Knowing when to use AI and when to question its output is part of learning to build. Watch @shanselman, software engineer Julia Gao, and CMU’s Dr. Michael Hilton discuss PRAISE and how to support the next generation of developers. youtube.com/watch?v=BglzGRnH…

PRAISE: Preceptorship for AI-accelerated Software Engineering

Microsoft and Carnegie Mellon University are betting that the caree...

youtube.com
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What will the next generation of developers do when AI writes the code? Microsoft and @CarnegieMellon are betting on junior developers. PRAISE pairs them with senior mentors to build with AI and grow into tomorrow’s senior engineers. commandline.microsoft.com/pr…

What will new developers do when AI writes the code?

Microsoft and Carnegie Mellon University are betting that the junior developers we train today will be the senior engineers of tomorrow.

commandline.microsoft.com
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Replying to @thepolycade @shanselman
Shout out Scott!! 🙌
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WorkIQ Developer Tools: Learn to extend Copilot and Cowork with custom plugins and integrations. msft.it/6019aseRb

WorkIQ Developer Tools: Copilot & Cowork Extensibility Series | Microsoft Reactor

Attend Reactor Event Series for on-going opportunities to learn, connect, and build. Expand your skillset.

developer.microsoft.com
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SQL Modernization Day: Explore ways to modernize SQL Server with Azure. msft.it/6018aseRw

SQL Modernization Day | Microsoft Reactor

Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!

developer.microsoft.com
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Build GitHub Skills: Create and publish interactive, self-paced learning exercises. msft.it/6017aseRZ

Build GitHub Skills: Custom Self-Paced Learning with the gh-skills-builder Plugin | Microsoft...

Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!

developer.microsoft.com
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Microsoft IQ Live: Explore enterprise agent architectures through hands-on demos. msft.it/6016aseRk

Microsoft IQ Live | Microsoft Reactor

Attend Reactor Event Series for on-going opportunities to learn, connect, and build. Expand your skillset.

developer.microsoft.com
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Foundations for AI with Open Source: Explore the open-source technologies that power modern AI applications and agents. msft.it/6015aseRX

Build the Foundation for AI with Open Source | Microsoft Reactor

Attend Reactor Event Series for on-going opportunities to learn, connect, and build. Expand your skillset.

developer.microsoft.com
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Build AI-powered soccer insights apps: Learn how to build and deploy AI-powered applications that analyze football match and player data using AKS and ACA. msft.it/6013aseRV

Build AI-powered soccer insights apps with AKS and ACA | Microsoft Reactor

Learn new skills, meet new peers, and find career mentorship. Virtual events are running around the clock so join us anytime, anywhere!

developer.microsoft.com
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Keep building your skills and connect with other developers. Here are a few upcoming events, community sessions, and training opportunities to keep on your radar from Microsoft Reactor 🧵
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Replying to @PlayCraftLearn
Every great build starts with a first block!
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Microsoft Developer retweeted
OpenRouter
@OpenRouterOct 9
Microsoft-Decision-1 is live on OpenRouter. Microsoft's numbers: highest accuracy across 36 blind benchmarks (~150K questions), 4.5x faster than the runner-up, 35x faster than GPT-6 Sol, and decisions flip on just 1.3% of perturbed inputs. Post-trained from Qwen3.5-9B. $0.042/M input, output free, 32K context openrouter.ai/microsoft/micr…

Microsoft-Decision-1 - API Pricing & Providers

Microsoft-Decision-1 is a small model built for fast decision-making. $0.042 per million input tokens, $0 per million output tokens.

openrouter.ai
Satya Nadella
@satyanadellaOct 9
Introducing Microsoft-Decision-1, our new model for fast decision-making. It delivers top performance on structured decision tasks, outperforming both LLMs and other decision models in latency and quality. We’re already testing it across Microsoft for everything from incident response and quality control to scientific discovery.
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This is our first release in this new class of decision models, and we will continue to release updates including versions built on @MicrosoftAI and OpenAI models in the future. Get started with Microsoft-Decision-1 today in Microsoft Foundry and soon through OpenRouter. aka.ms/decision-1

Microsoft-Decision-1 | Model Catalog | Microsoft Foundry

Decision-scoring model that returns calibrated probability scores for fixed answer options instead of... Sign in to Microsoft Foundry to deploy this model.

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Classification is a key use case for decision models. Check out how accurately and quickly Microsoft-Decision-1 can categorize a variety of queries compared to GPT-6 Sol.
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Microsoft-Decision-1 achieved the highest accuracy in our 36-benchmark comparison, spanning nearly 150,000 questions across benchmarks kept blind from training.
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