Microsoft today removed the preview label from Foundry Hosted Agents, turning the cloud-hosted development environments for AI workloads into a fully supported, generally available service. The GA release brings support for the latest preview versions of Python 3.14 and .NET 10, along with word of a governed pilot that will integrate Microsoft Teams, scheduled to kick off in July 2026. The move signals Microsoft’s ambition to make AI development more accessible while building in guardrails for enterprise governance.

For the uninitiated, Foundry Hosted Agents are pre-configured, cloud-based containers that come loaded with the tools, libraries, and GPU acceleration needed to build, train, and test AI models. Think of them as on-demand, ready-to-code machines that eliminate the setup tax for data scientists and machine learning engineers. With general availability, these agents now come with service-level agreements, technical support, and a stable billing model—freeing teams from maintaining their own infrastructure.

What changed in this release

The headline updates are the addition of Python 3.14 (preview) and .NET 10 (preview) to the agent runtime catalog. Developers can now spin up an environment targeting these upcoming language milestones within seconds, testing compatibility and performance without touching their local setup. Early adopters get a head start on leveraging language features that won’t ship in a stable release for months.

Beyond language support, the GA milestone introduces:

  • Production-ready SLAs – Agents are backed by Microsoft’s standard Azure uptime guarantees, making them suitable for mission-critical workloads.
  • Expanded VS Code and Jupyter integration – The browser-based IDE experience now supports more extensions and GPU-accelerated notebook kernels.
  • Azure Policy hooks – Administrators can enforce compliance rules, restricting agent images to approved registries or blocking outbound internet access.
  • Cost management updates – The Azure portal shows per-agent cost breakdowns, and budgets can be set at the subscription level to prevent runaway bills.

Perhaps the most consequential long-term announcement, however, is the governed pilot for Microsoft Teams. Slated for a phased rollout starting July 2026, the pilot will let teams collaborate directly within Teams channels—sharing agent sessions, reviewing code, and managing approvals—while an AI-driven policy engine enforces data residency, access controls, and audit logging. Microsoft says this integration will first appear in GCC High and commercial tenants with strict compliance needs.

What it means for you

The impact varies by role, but the throughline is a dramatic reduction in friction for both individual contributors and the organizations that support them.

For developers and data scientists

No more waiting for an IT ticket to provision a GPU VM. You can launch a Python 3.14 environment with pre-installed PyTorch or a .NET 10 machine with ML.NET in under a minute. Switch between projects just as fast. The GA release also means you’re no longer a “beta tester”—Microsoft will answer support tickets if something breaks.

For team leads and project managers

The governed Teams pilot, while a year away, offers a glimpse of how AI development will weave into the everyday collaboration fabric. Imagine reviewing a Jupyter notebook right inside a Teams channel, with annotations and version history. More immediately, the cost management tools let you assign per-project budgets and monitor spending in real time.

For IT administrators

GA brings the governance features you’ve been waiting for. You can now enforce that agents run only in specific regions, use approved base images, and report on usage through Azure Monitor. The forthcoming Teams pilot will layer in even finer controls—think conditional access policies that require multi-factor authentication before an agent session can be shared.

For organizations with compliance requirements

If you work in finance, healthcare, or government, the governed pilot is being built with you in mind. Data lineage, user entity and behavior analytics (UEBA), and integration with Microsoft Purview are all on the roadmap. For now, the GA release enables you to start building a governed AI development practice using Azure Policy and network isolation.

How we got here

Foundry Hosted Agents first appeared in a limited preview in mid‑2024, part of Microsoft’s broader “AI for everyone” push. At the time, the service supported only Python 3.12 and a handful of older .NET versions. Feedback from early users centered on two pain points: the need for bleeding-edge language versions and better enterprise controls. Microsoft responded by accelerating Python 3.13 preview integration later that year and now, with the GA release, has leapt to 3.14 and .NET 10.

The governed pilot announcement reflects a parallel trend: the explosion of AI projects has made IT departments nervous. Shadow AI—where employees use unapproved tools to circumvent red tape—is a top concern. By embedding governance into the Teams environment where workers already live, Microsoft aims to channel AI innovation into a safe, auditable space. The July 2026 date suggests that this is not a short-term fix but a carefully architected platform play.

What to do now

If you’re on the preview: Existing preview agents won’t automatically upgrade. You’ll need to create new GA agents from the Azure portal or CLI. Microsoft has published migration scripts that preserve your data disks and container registries. The preview tier will remain available until September 2025, after which it will be deprecated.

If you’re new to Foundry Hosted Agents: Start with a small dev/test agent. Navigate to the Azure Marketplace, search for “Foundry Hosted Agents,” and choose a configuration that matches your stack. Pay-as-you-go pricing applies; a basic Linux agent with a single NVIDIA T4 GPU runs about $0.75 per hour. Use the new cost management dashboard to set a monthly cap.

To prepare for the governed pilot: Organizations interested in the Teams integration should begin mapping their compliance requirements now. Inventory the data types your AI projects will touch, identify the relevant regulations (GDPR, HIPAA, etc.), and audit your current Teams governance settings. Microsoft plans to release a checklist and early-access signup form at Build 2026.

For Python 3.14 and .NET 10 testing: Both language versions are in preview, meaning they are not yet supported for production workloads. Microsoft recommends using the GA agents to validate compatibility and report any issues through the regular Azure support channel. Production deployments should continue to use Python 3.12 or .NET 8 until the final language releases are available.

Outlook

The GA of Foundry Hosted Agents marks the starting line, not the finish. Over the next 18 months, expect a steady cadence of language runtime updates, tighter integration with Azure AI services, and—if the governed pilot goes well—a full general availability of the Teams experience sometime in 2027. Microsoft is betting that by pairing frictionless development with ironclad governance, it can capture the enterprise AI market before the next wave of regulation hits. For Windows-centric shops already invested in the Microsoft ecosystem, that bet could pay off handsomely.