How to change Gemini's voice and use it as an assistant on Android

Last update: 17/12/2025
Author Isaac
  • Gemini replaces the Assistant Google with a more conversational approach and features of IA advanced.
  • It is possible to configure it as the primary assistant from the Google services settings in Android.
  • The number of voices and customization options in Gemini depends on the language and version of the app.
  • Google is progressively expanding Gemini's voice and voice capabilities across its entire ecosystem.

Gemini voice settings

The arrival of Gemini as the brain of Google's AI It has completely changed the way we talk to our phones. What used to be a fairly limited voice assistant is now starting to feel more like a real conversation, almost as if you were chatting with someone on the other end of the line.

Among all the new options, one of the most intriguing is the ability to Change Gemini's voice and customize how it soundsIt's not the same to hear a serious, neutral voice as one that's more approachable and warm, and this difference is very noticeable during extended conversations. Furthermore, Gemini can replace the classic Google Assistant, making the choice of voice even more crucial.

What exactly is Gemini and how does it differ from Google Assistant?

Before we delve into the topic of voices, it's worth understanding what it offers Gemini versus the old Google AssistantGemini is not just an assistant that responds to commands, is a family of models of Artificial Intelligence designed to have more natural conversations and perform complex tasks.

With the Gemini app on Android you have access to a much more complete chatbot than the classic assistant: it can review texts, help you write messages, emails or posts, search for updated information on the web, interact with your Gmail or Google Drive and even generate images in some cases.

One of the great advantages is that Interaction with Gemini is more flexibleYou can write to him, talk to him, combine voice and text in the same conversation and even ask for more open-ended things, such as ideas, suggestions or detailed explanations, something that the traditional Google Assistant handled much worse.

However, even though Gemini has more AI capabilities, for now It has not inherited all the domestic functions of the AssistantGoogle is gradually migrating things like... domóticaReminders, interpreter mode, and advanced podcast support are all features Gemini can already handle, but the process isn't entirely complete.

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In short, we are facing a change of approach: Gemini is designed as a conversational companionMore than just a simple button you can send quick commands to. And that's where voice plays a key role.

Why is it so important to be able to choose Gemini's voice?

With the old Google Assistant, choosing a voice was almost an anecdotal detail: you asked him Therea timer or a song And that's about it. But with Gemini, many interactions resemble a long conversation, like in the movie "Her" where the protagonist, Theodore, has long conversations with an AI.

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When you're going to spend more time talking to an AI, The voice shapes the entire experienceIt's not just a matter of gender or accent; tone, warmth, speaking speed, and how pleasant it is to the ear for several minutes at a time also matter.

Google had already offered up to 12 different voices for the Google Assistant In some languages, it seemed logical that Gemini would inherit that flexibility. However, the company is moving more slowly than many users expected, and this has generated some impatience within the community.

What we do know from leaks and beta versions is that Google is working on a voice selection system specifically for GeminiThe idea is that you can clearly choose how you want your AI to sound, with distinct voice names and, likely, profiles designed for different types of users.

If you're going to use Gemini for studying, working, practicing languages, or just chatting, have several voices to choose from It can draw the line between using it a couple of times or integrating it into your daily routine without it becoming tiresome.

How to switch from Google Assistant to Gemini on your Android phone

To enjoy Gemini's voice in your daily life, the first thing is Configure Gemini as the primary assistant trust your smartphone Android. This change means that every time you invoke the assistant (by voice, with a button, or through a gesture), Gemini will appear instead of the old Google Assistant.

The advantage is that this change can be made in many cases without needing to install anything additionalOn some phones, the Gemini option is already integrated into Google's settings, although sometimes it's useful to have it manually enabled. Gemini app installed so that everything works as it should.

The general process for replacing Google Assistant with Gemini is quite simple and is done from the device settings, within the Google services sectionThe exact name of each option may vary slightly depending on your phone's customization layer, but the main path is usually very similar across all devices.

Once you complete the change, Each summoning of the assistant will open GeminiIt doesn't matter if you use the "Hey Google" voice command, hold down the home button (on phones that have it), or use the usual assistance gesture, because the system will automatically redirect everything to Gemini.

Furthermore, if at any point you are not convinced by the experience or you miss any classic features, You can return to Google Assistant whenever you want repeating the same settings process and selecting the traditional assistant again.

Detailed steps to activate Gemini as your main assistant

Let's look at how you can, in an organized way. enable Gemini as default assistant on Androidassuming the option is available in your region and on your device.

  1. Enter the settings on your Android phone Then scroll down to the Google section. On most phones, you'll see a section literally called "Google" or "Google Services."
  2. Within that menu, switch to the tab or section called "All services" or similar, which shows all the advanced options that Google integrates into the system.
  3. Search and click on the section "Search, Assistant, and Voice" (Sometimes it may appear as "Search, Assistant, and Voice"). That's where the assistant-related settings are concentrated.
  4. Then choose the option "Google Assistant"On this screen you will see various assistant settings, including those related to language, routines and, what interests us now, digital assistants.
  5. Scroll down until you find the section "Google Digital Assistants"Upon logging in, you should see a list of available options to act as the primary assistant on your device.
  6. In that list, select "Gemini" instead of Google AssistantThe system will display a confirmation message for you to accept the change, usually with a "Change" or "Confirm" button.
  7. Once you confirm, Gemini will be configured as the default assistant.From that moment on, every time you activate the assistant, the Gemini interface will open, ready for you to speak or type.
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If you don't see the Gemini option anywhere during the process, it's possible that it's not yet fully rolled out in your region. In that case, Install the official Gemini app from Google Play This is usually the first step for the system to start displaying the corresponding option in settings.

When you want to revert the change, the procedure is identical, but in the selection step, Choose Google Assistant again as your digital assistant and confirm the change. You'll revert to the classic behavior without losing any important settings.

Current status of Gemini voices and leaks about new options

One of the most frequently asked questions right now is How many voices does Gemini actually have and how to choose themHere we need to distinguish between what is already available in a stable form and what has been seen in beta versions or leaks.

In certain builds of the Google app, especially in the beta version, some users have detected a new option called something like "Choose how your Gemini will sound"This option appears within the settings related to the assistant, and pressing it should display a list of voices to choose from.

However, according to information shared by leakers such as AssembleDebug, When that screen was finally activated, it appeared completely empty.The fact that this interface already exists, even if it's blank, is a pretty clear sign that Google is finalizing the voice selection system for Gemini.

The funny thing is that Not all beta users see this featureeven with the same version of the Google app. Everything suggests that Google is rolling it out gradually on the server side or conducting A/B tests before releasing it to the general public.

Meanwhile, references to new voices with specific namesNames like "Ruby" and "River," which weren't part of the standard Google Assistant catalog, suggest that Google might be working on voices with more personality, specifically designed for continuous conversational use, more in line with what we saw with models like the GPT-4 and its conversation mode.

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Meanwhile, it is likely that The number of available voices varies considerably depending on the language.Google already indicated for the old assistant that not all languages ​​had the same voices, and everything indicates that with Gemini the situation will be similar: in English they usually arrive first and with more variety, and other languages ​​receive options gradually.

Current limitations when changing Gemini's voice depending on the language

There is one key point that should be kept in mind: The number of voices available in Gemini depends on the language you have set.Google has made this clear both in the Gemini documentation and in the internal settings; some languages ​​have several voices, others only one or two alternatives.

In practice, this means that if you use Gemini in Spanish from Spain, You may not yet have the same variety as English-speaking usersAs Google expands its catalog of voices, more options will arrive, but the rollout is staggered and not all markets are progressing at the same pace.

Furthermore, the voice selection menu itself It may or may not appear depending on the version of the Google app and whether or not you participate in the beta program.Some users, even with the updated app, still don't see the option to change Gemini's voice because Google hasn't activated it in their profile yet.

Another practical limitation is that, even if you change Gemini's language to test voices, You won't always have all the search features or integration with local services If you use a language different from the one spoken in your region. In other words, you might gain in voice variety, but lose some accuracy or localized content.

You also have to keep in mind that Not all home automation, reminder, or podcast functions are fully integrated into Gemini.Although the assistant may speak to you with a new voice, some actions will still depend on the traditional Google Assistant ecosystem until the migration is complete.

In any case, it's a good idea to occasionally review your Google and Gemini app settings, because Google is quietly adding new features Without major announcements, and it's quite likely that the advanced voice selection will gradually appear over the coming months.