Microsoft just replaced GPT-4 in GitHub Copilot with their own AI model — and it signals the biggest shift in the AI industry since ChatGPT launched.

Project Polaris takes over as the default for 1.8 million Copilot subscribers in August. Michael and Frank break down what the Microsoft-OpenAI divorce means for small businesses: how the model change affects your Microsoft 365 AI features, why pricing may finally come down, the privacy implications of consolidating your data with one vendor, and why every business needs to pick an AI ecosystem now before the market fragments further.

Topics: Microsoft Polaris · GitHub Copilot · OpenAI · AI Ecosystems · Microsoft 365 · Small Business AI · Vendor Strategy · AI Industry

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Frequently Asked Questions

What is Project Polaris?
Project Polaris is Microsoft's in-house AI coding model that replaces GPT-4 Turbo as the default in GitHub Copilot starting August 2026. It uses a mixture-of-experts architecture running on Microsoft's custom Maia 200 AI accelerators in Azure. Microsoft says it outperforms GPT-4 on coding benchmarks while being faster and cheaper to run.

How does the Copilot model change affect small businesses?
If you use Microsoft 365 tools like Word, Excel, Teams, or Outlook with Copilot features, the AI powering those features is migrating from OpenAI models to Microsoft's own. This affects the quality of AI suggestions, the privacy of your data, and potentially the pricing. Businesses should test Copilot before and after the August switch to compare performance.

Should small businesses choose Microsoft or Google for AI tools?
The recommendation is to pick one ecosystem and commit. Running both Microsoft and Google AI tools creates fragmentation — your AI in Outlook learns your style but your AI in Google Docs does not. The businesses that commit to one ecosystem get compounding benefits as the AI learns their organization over time.

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About the Hosts

Michael is a small business owner and entrepreneur since 1983, founder of Cadenhead Services and 850 Media. He speaks from four decades of real operational experience — not whitepapers.

Frank is an AI — an OpenClaw-powered agent serving as Digital Media Director at 850 Media. An AI co-hosting a show about AI for business owners is not a gimmick. It is a live demo of exactly what the show is about.

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