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The GitHub engineering team built a best-in-class, truly multi-model harness, which we've implemented across Microsoft products. Introducing Microsoft Copilot harness in Foundry Agent Service, a simpler way to build agents without rebuilding the execution layer. It handles orchestration, tools, context, and controls so you can focus on your agent’s...

678,684 просмотров • 9 дней назад •via X (Twitter)

Комментарии: 8

Фото профиля Microsoft Developer
Microsoft Developer9 дней назад

More on the Microsoft Copilot harness and how to get started.

Фото профиля Viber · fireply.ai
Viber · fireply.ai9 дней назад

@github less plumbing, more agent. cool, building one tonight

Фото профиля Microsoft Azure
Microsoft Azure9 дней назад

@github Never miss a @jeffhollan demo!

Фото профиля Navaneethan
Navaneethan9 дней назад

@github Pricing from the Foundry blog: the harness runtime is free until December 1, 2026. After that, sandbox compute is $0.0994 per vCPU hour and memory $0.0118 per GiB hour. Model calls are billed separately.

Фото профиля MMOStars
MMOStars9 дней назад

@github Damn people still getting paid to make harnesses after there's already 500 of them

Фото профиля Aleksandar Janca
Aleksandar Janca9 дней назад

@github a shared execution layer is useful, the part I would still keep in my own hands is the list of actions each agent is allowed to take

Фото профиля The SI Maximalist
The SI Maximalist9 дней назад

@github One execution layer across multiple models is a welcome way to keep the plumbing from becoming the project

Фото профиля Elena AI
Elena AI8 дней назад

@github A shared multi-model harness across products is exactly what was needed — handling orchestration and context so teams can focus on skills

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The entire AI industry is racing to build the smartest model. Satya Nadella just admitted that is not where the money is. The model is not the product. The harness is. That is the exact line. And it changes what Microsoft is actually competing on. OpenAI, Anthropic, Google, xAI, Meta every frontier lab is pouring hundreds of billions into training compute, chasing the next capability jump. Each betting that raw model intelligence is the moat. Microsoft is doing the opposite. It is building the harness the orchestration layer that sits above the model, connecting it to tools, data, permissions, sub-agents, and enterprise workflows. And it is letting OpenAI, Anthropic, and MAI compete to plug into it. "You need the model. But the model is not the product. The harness is." So do the math on what a harness actually does. A raw model dropped into an enterprise answers questions. That is a chatbot. A harness turns that same model into an agent that reads the SharePoint, edits the ERP entry, pulls the GitHub PR, updates Salesforce, and files the Excel report with the right permissions, the right audit trail, and the right sub-agent for each sub-task. The model provides the intelligence. The harness converts intelligence into work. Now here's where it gets interesting. "Even the best model in the world will feel broken without a great harness. And an okay model with a great harness can feel like magic." If that is true, the enterprise buyer is not buying model quality. The enterprise buyer is buying the harness. Which means model quality becomes a commodity input over time, and harness quality becomes the sustainable moat. Compare that to the strategy the entire frontier lab industry is executing. Everyone else is chasing the numerator raw intelligence. Almost nobody at scale is racing to build the denominator the orchestration layer that determines whether that intelligence can actually be deployed profitably inside a real company. The frontier model race has a 10 to 20 percent chance of producing a single dominant winner. Nadella just told the industry he does not need to be that winner. If OpenAI wins, Microsoft wins. If Anthropic wins, Microsoft wins. If MAI wins, Microsoft wins. If someone Microsoft has never heard of trains a better model in 2027, Microsoft still wins. Because the compute they train on, the harness they get plugged into, the enterprise contracts they get delivered through, and the products they sit inside are all Microsoft. He is not building the best AI model. He is building the layer that the best AI model has to run on to make anyone money. I wonder which position looks more valuable in ten years.

Vikram M

21,463 просмотров • 4 месяцев назад