Till deployment do us part

Microsoft is opening up the GitHub Copilot agent harness to outside developers through Microsoft Foundry, bringing the same orchestration infrastructure used across its Copilot products into a managed service for building and deploying autonomous agents.

Announced Wednesday, the Microsoft Copilot harness is now available in public preview through Foundry Agent Service. It comes with built-in sandboxing, reusable skills, MCP integrations, and support for subagents. Microsoft takes care of running the agent and managing its execution environment, leaving developers to choose a supported model and configure the instructions and tools for their applications.

Go deeper: Microsoft’s new Copilot harness makes agents easy — until you want to switch

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▹Mistral’s Large 4 open weights arrive with a 1-point coding lead over GLM-5.3: “There’s nothing you can’t do with this model that you can do with competitors.”

MFT admins can lose up to 160 hours a year chasing root causes after a failed transfer. Join us live on November 19 to see how Fortra uses AI to find the likely cause faster, using a real failure scenario. You’ll learn:

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OpenAI prices GPT-6.1 Terra at one-tenth of Astra’s standard input and output token rates. In these three tests at high reasoning effort, Terra used less time and cost less, but scored lower on two tests.

OpenAI released GPT-6.1 Terra on October 26, marketing it as a cheap, fast model for high-volume everyday work, priced at a tenth of its GPT-6 Astra flagship. As the...

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