Romain Masseboeuf - Michelin IT Engineering Blog

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Romain Masseboeuf

SRE @ Michelin on the Software Engineering Experience domain. IT Expert on reliability, automation and platform engineering. Passionate about AI and how far it could reshape the way we work, not just the way we code.

Why we turned Copilot's Auto mode off by default

Why we turned Copilot's Auto mode off by default

In September 2026 Michelin turned off Copilot's Auto model selection by default. Three days of measurements explain why: six things I believed about Auto, and what the routing traces showed instead.