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Not all model upgrades are upgrades

A new model drops with lower per-token pricing and better benchmarks. You switch. A week later someone asks why the agent is burning 12x more tokens on the same task while producing worse output. We ran 150 agent tasks across 15 scenarios on two models, Claude Sonnet 4.6 and Claude...
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Jun 2, 2026
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Azure Cosmos DB Agent Kit now battle tested for GA

Sajeetharan Sinnathurai
Back in January, we shipped the Azure Cosmos DB Agent kit in preview with 45 rules and a hypothesis: if we package Azure Cosmos DB expertise into a format that AI coding agents understand, developers will stop making the same expensive mistakes. That hypothesis held up. What surprised us...
Azure Cosmos DB Blog
Jun 2, 2026
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Work IQ: Production‑ready intelligence for every agent

Tolga Kilicli
Work IQ provides a workplace intelligence layer that enables agents to access and reason over organizational data, context, and tools, continuously building a semantic understanding across Microsoft 365 and external systems with built-in, permission-aware governance. 
Microsoft 365 Developer Blog
Jun 2, 2026
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Build collaborative agents where work happens

Sujeet Mehta
At Microsoft Build 2026, we're announcing new investments to help your agents become teammates in everyday work, from new interaction patterns to streamlined tooling. 
Microsoft 365 Developer Blog
Jun 2, 2026
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Azure DocumentDB Migration Extension for VS Code Is Now Generally Available

Sandeep S. Nair
We are happy to share that online migration in the Azure DocumentDB Migration extension for VS Code is now Generally Available. Back in November 2025, we launched the Public Preview and since then, many customers have put it through its paces with all kinds of MongoDB workloads. Based on...
Azure DocumentDB Blog
Jun 2, 2026
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Announced at MS Build 2026: Azure Cosmos DB MCP Toolkit, Semantic Reranking, Global Secondary Indexes, and more!

Azure Cosmos DB Team
Microsoft Build 2026 has officially started and we’re excited to announce new capabilities for Azure Cosmos DB! We’ve launched new features to help developers build AI-powered applications and agents more easily, improve application resilience, and accelerate developer...
Azure Cosmos DB Blog
Jun 2, 2026
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Azure DevOps and GitHub: Journeying into the AI Era

Rajesh Ramamurthy
AI is changing how software gets planned, built, and reviewed. As teams adopt agentic development, the platform underneath those workflows matters more. They need tools that bring planning, coding, security, and collaboration together—and can keep pace with how development is...
Azure DevOps Blog
Jun 2, 2026
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Frontier Tuning: Teaching AI to work the way you do

Ranveer Chandra
We're announcing the private preview of Frontier Tuning, a new approach to making AI work the way your business does by applying reinforcement learning inside your compliance boundary with your own data, processes, and conventions. 
Microsoft 365 Developer Blog
Jun 2, 2026
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A Developer’s Guide to Managing Models, Cost and Quality in Microsoft Foundry

Naomi Moneypenny
Learn a practical model lifecycle for Microsoft Foundry: select the right model, evaluate quality, optimize cost, operate safely, and improve as production needs change.
Microsoft Foundry Blog
Jun 2, 2026
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What's Coming Next in Visual Studio: Our Microsoft Build 2026 Announcements

Mads Kristensen
Microsoft Build kicks off today in San Francisco, June 2 and 3. If you cannot make it in person, the sessions are streaming online for free, and I want to walk you through what we are announcing for Visual Studio this week. One idea tie most of it together. Code is an asset, not just...
Visual Studio Blog