Sal Khan, CEO of Khan Academy, is up onstage at Microsoft Build to talk about the nonprofit’s use of AI in education. Microsoft is partnering with the Khan Academy for AI-powered tutoring tools that will be free for all US educators as of today.
Tom Warren

Senior Correspondent
Senior Correspondent
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“It’s 12x cheaper to make a call to GPT-4o than the original model,” says Microsoft CTO and EVP of AI Kevin Scott. “It’s also 6x faster in time to open response.” These speed increases and cost decreases are super important for OpenAI’s latest model, but things aren’t going to slow down. Things will get cheaper and more robust over time, says Scott.
“We’re riding an extraordinary platform wave,” says Microsoft CTO and EVP of AI Kevin Scott onstage at Build. He likens it to the PC evolution and Moore’s Law or even broadband internet. Microsoft has been contributing to this with the company’s Copilot stack, which has helped the company build AI products quickly. “We are nowhere near... how powerful we can make AI models,” says Scott.
That’s what Microsoft CTO and EVP of AI Kevin Scott said last year at Build, just as the company was unveiling its AI tools. “I want to thank you all for the great shit that you’ve made over the past year,” says Scott, as he steps onstage at Build 2024.
Microsoft’s Windows chief, Pavan Davuluri, is discussing the company’s new push to get developers to build AI apps on Windows. He argues Windows is the most open platform for AI, just hours after announcing a new Windows Copilot Runtime that sets the stage for the next decade of Windows app development.
Pavan Davuluri had a busy day announcing new Arm-based Surface devices yesterday and a big push to bring more AI-powered experiences and apps to Windows. The Windows and Surface chief is now onstage at Microsoft Build to discuss Microsoft’s Copilot Plus PCs and Windows AI.
Microsoft is making some improvements to Teams aimed at developers. You can now paste source code inside Teams with syntax formatting. There’s even co-editing with Loop, better keyboard shortcuts, and custom emoji.
Microsoft’s Jeff Teper, head of collab apps and platforms, is walking the Build audience through the company’s new Copilot connectors and extensions. They’re designed for businesses to extend the AI assistant to their line of business apps and add data from public websites, SharePoint, OneDrive, and more.