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🏔️ Sierra Summit 2026 Recap: Personal Agent Protocol, Tandem Voice, new models, and so much more.

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Ajeet Grewal

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Posts by Ajeet Grewal

"Caller ID in the age of agents" on a blurred background

Caller ID in the age of agents

Introducing fleming-1, Sierra’s own model for detecting when the caller on a phone call is another agent.

October 8, 2026