Zac Zuo

Gemini 3.1 Flash Live - Making audio AI more natural and reliable

Gemini 3.1 Flash Live is Google’s new state-of-the-art native audio model. Built for low-latency, real-time dialogue, it excels at complex reasoning and function calling. It is the exact engine currently powering Gemini Live and Google Search Live.

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Zac Zuo

Hi everyone!

The most important thing here is simple: this is now the voice model behind Gemini Live and Google Search Live. It is the speech engine @Google is actually putting into its consumer products.

Google is pitching 3.1 Flash Live as its highest-quality audio and voice model yet, with lower latency, better reasoning, and more natural dialogue. The benchmark jump is also pretty meaningful on ComplexFuncBench Audio.

Google clearly sees live voice as a core interface now, and this is the model carrying that shift.

3.1 Flash Live is available across these Google products:

swati paliwal

@zaczuo As someone building content around AI interfaces, what's one underrated way devs can leverage the lower latency in 3.1 Flash Live for real-time customer convos, beyond the obvious chatbots?

Mihir Kanzariya

The low latency part is what matters most here imo. I tried building a voice agent last month and the delay between user speech and response made it feel super unnatural. Even 500ms of lag kills the whole experience.

Really curious to see how this compares to the realtime API from OpenAI in terms of actual latency numbers.

Dominic Frei
Nice, so far a like it very much, interesting reasoning when compared with Opus 4.6, but a great addition to my LLM tool set!👏🏼👏🏼👏🏼