What is Google Gemini Spark? A Deep Dive Into Google's 24/7 Personal AI Agent

If you watched Google I/O 2026, one announcement quietly stole the show — not because it was the flashiest, but because it represents a fundamental shift in how we'll interact with computers. That announcement was Gemini Spark.

Spark isn't another chatbot. It isn't a smarter Search. It's Google's first serious attempt at a 24/7 autonomous personal agent — software that keeps working when your phone is in your pocket, when your laptop is closed, and when you're asleep.

Let's break down what it actually is, how it works, and why it matters for developers.

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