GoKawiilC. Scott Brown / Android Authority
TL;DR At Google I/O 2026, Google has introduced the Gemini 3.5 family of AI models, starting with Gemini 3.5 Flash.
Gemini 3.5 Flash is said to be four times faster than competing frontier models and outperforms Gemini 3.1 Pro on coding and agentic benchmarks.
Gemini 3.5 Flash is rolling out globally as the default model for billions of users in the Gemini app and Google Search.
Gemini is one of the best AI models around, with each release being widely applauded for pushing the envelope of what end users can achieve with AI. Google released Gemini 3 in November 2025, followed by Gemini 3.1 in February 2026. Today at Google I/O 2026, Google is releasing Gemini 3.5 to the world, starting with Gemini 3.5 Flash, which is already rolling out to billions of users globally.
Google says the latest Gemini 3.5 family of AI models combines frontier intelligence with action. This means users can expect these models to not only execute advanced reasoning and deep logical thinking, but also move towards autonomously executing long-horizon tasks.
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Gemini 3.5 Flash: Features and highlights Google claims that Gemini 3.5 Flash delivers intelligence that rivals large flagship models on multiple dimensions, at the speeds users have come to expect from the Flash series. It’s also the company’s strongest agentic and coding model yet, outperforming even Gemini 3.1 Pro on challenging coding and agentic benchmarks. When looking at output tokens per second, it is four times faster than other frontier models.
The balance of speed and performance makes Gemini 3.5 Flash ideal for tackling long-horizon agentic tasks. It can rapidly plan, build, and iterate to solve real-world problems, whether it’s developing new applications, maintaining codebases, or preparing financial documents.
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