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Summary
In this episode of the AI Executive Brief from BuildClub, Stephen Forte walks through Microsoft's multi-model Copilot architecture — what it is, what it costs, and what the enterprise adoption data actually says. The episode is structured around four sections: the multi-model reasoning layer, the agentic Cowork platform, the adoption reality, and Copilot Studio's model marketplace.
Key topics covered:
- Multi-model Copilot: Critique and Council modes — Critique has GPT draft and Claude review for accuracy and citation quality, yielding a 13.8% gain on the DRACO benchmark; Council runs multiple models in parallel with a judge model synthesizing agreements and divergences
- Copilot Cowork and Agent 365 — background agentic work that runs extended research and document production tasks autonomously; currently in Frontier program (requires 300+ active Copilot users on E3/E5/Business Premium); Agent 365 GA May 1 at $15/user/month
- The adoption gap — 400 million installed Microsoft users, 15 million paid Copilot seats (3.3% penetration), 35.8% activation among paid seats versus 83.1% for ChatGPT Enterprise; the episode frames this as a change management problem with a depth-first solution
- Copilot Studio model marketplace — GA in April; supports Claude Opus, Claude Sonnet, Grok, GPT-5 Thinking and Instant models orchestrated via the Agent-to-Agent protocol with Microsoft Fabric data integration
Pricing referenced:
- Agent 365: $15/user/month (GA May 1)
- Microsoft 365 E7 bundle (E5 + Copilot + Agent 365): $99/user/month (GA May 1)
- Copilot enterprise: $30/user/month; SMB: $21/user/month
Hosted by Stephen Forte from BuildClub.
Key Takeaways
- Multi-model Copilot: Critique and Council modes — Critique has GPT draft and Claude review for accuracy and citation quality, yielding a 13.8% gain on the DRACO benchmark; Council runs multiple models in parallel with a judge model synthesizing agreements and divergences
- Copilot Cowork and Agent 365 — background agentic work that runs extended research and document production tasks autonomously; currently in Frontier program (requires 300+ active Copilot users on E3/E5/Business Premium); Agent 365 GA May 1 at $15/user/month
- The adoption gap — 400 million installed Microsoft users, 15 million paid Copilot seats (3.3% penetration), 35.8% activation among paid seats versus 83.1% for ChatGPT Enterprise; the episode frames this as a change management problem with a depth-first solution
- Copilot Studio model marketplace — GA in April; supports Claude Opus, Claude Sonnet, Grok, GPT-5 Thinking and Instant models orchestrated via the Agent-to-Agent protocol with Microsoft Fabric data integration
- Agent 365: $15/user/month (GA May 1)
- Microsoft 365 E7 bundle (E5 + Copilot + Agent 365): $99/user/month (GA May 1)
- Copilot enterprise: $30/user/month; SMB: $21/user/month
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