Google I/O 2026: Gemini 3.5 Flash GA, Gemini Spark Personal Agent, $2M Hackathon

Google's developer conference (May 19–20) shipped several items developers should track: Gemini 3.5 Flash is now generally available via the Gemini API, Google AI Studio, and Android Studio. Gemini Spark is a new 24/7 personal AI agent that operates in the background on phones and laptops. Google also launched the Build with Gemini XPRIZE Hackathon with a $2 million prize pool, described as the largest ever for a hackathon.

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Sources: Google Developers Blog · Google Blog