Is Gemini for Home private? What your Nest speakers and cameras tell Google

The Morse teamPublished November 6, 20269 min read

As of November 2026, Gemini for Home is private from Google's ad systems but not from Google's AI training. Everything you say after "Hey Google" goes to Google's servers and stays in your account for up to 24 hours even with Home History off. While Home History is on, Google keeps your requests for 18 months by default and uses them to train its generative AI models. Your voice recordings and camera video stay out of training unless you opt in, and requests from unidentified guests never go into it.

We read Google's Nest privacy FAQ (its Gemini for Home sections and the disclosure every household acknowledges), the Gemini for Home help pages on activity, the voice assistant, Gemini Live, Ask Home, and camera features, the Google Home Premium plan page, the video history page, Google's Nest privacy commitments, and the Gemini Apps Privacy Hub (last updated October 26, 2026) on November 6, 2026. Google deserves credit for one thing. Its FAQ says plainly what changes for a guest, a teenager, and a child.

Gemini for Home privacy at a glance

Does Gemini for Home record everything you say?

No. Google says the voice assistant waits in standby, and "When in standby mode, your Gemini for Home voice assistant won't send what you are saying to Google or anyone else" (Google). Once it hears "Hey Google," it "sends your request to Google servers." The same happens after "a noise that sounds like 'Hey Google' or an unintended manual activation." Google uses transcripts of those accidental recordings "to help reduce unintended activations for everyone."

Two features keep the microphone open after an answer. With Gemini Live, a Google Home Premium feature, the speaker listens "for up to 15 seconds" after each answer, and you can pick a chat back up "up to one hour later" by saying "Hey Google, let's chat again" (Google). Google's disclosure says that during Gemini Live "the mic will remain active for conversations with anyone in the home, including kids and guests" (Google). Continued Conversation, the shorter follow-up window, works for everyone in the home once an Admin turns it on, where on Google Assistant it was set person by person for Voice Matched members (Google). Saying "Stop," "Thank you," or "I'm done" ends either one.

What a Gemini Live chat on your phone keeps is a different story, covered in is Gemini Live private.

Does Google train AI on what you say to Gemini for Home?

Yes, while Home History is on. Google's help page says "When Home History is on, Google uses your activity to develop and improve its services, including training generative artificial intelligence (AI) models" (Google). Google's disclosure says that by default, your activity "will be saved for 18 months" (Google).

Google draws two lines around that training. Its Gemini for Home overview says "We don't train any generative AI models outside of Google Home with your personal data" (Google). The disclosure says "video footage, audio recordings, or personally identifiable information aren't shared with human reviewers or used to improve models unless you separately consent to share them for this purpose" (Google). That consent is the box labeled Improve Google services with your voice, audio, and Gemini Live recordings, which is off by default (Google).

People may read the words of your requests. Google says "human reviewers may read, annotate, and process your interactions," and that those reviewers include "trained reviewers from our service providers" (Google). Google's FAQ asks you not to "enter confidential information that you wouldn't want a reviewer to see." How long reviewed transcripts are kept isn't on any Google Home page we read; who reviews AI chats has the periods Google gives for the Gemini app.

What does Gemini see on your Nest cameras?

Every recorded event, for Advanced subscribers who turn the camera features on. Google's camera page says AI descriptions replace labels like "activity or animal detected" with captions such as "dog barking and digging in garden" (Google). With the camera's microphone and audio recording on, descriptions can include sounds from a fixed list that runs from "Doorbell ringing" to "Screaming or crying" and "Gunshot." Google says only non-verbal audio from that list is described, so what people say isn't.

Three features build on those descriptions, per the same page:

• Home Brief arrives every evening in the Activity tab as "an overview of what happened at home each day."
• Ask Home searches video history in plain language, such as "When did the dog walker come by?"
• Familiar faces search, if you use that library, returns every event where a saved person's face was detected, "even if other people were there."

Only "adult Admins" can use the camera features, after acknowledging Google's disclosures. Ask Home can also be told to remember facts, such as your work hours, so it can answer "Did I receive any package deliveries while I was at work this week?" (Google). Saying "Forget everything you remember" and confirming deletes all of it.

As of November 6, 2026, none of the Google pages we read says how long the text of an AI description or a Home Brief is kept, or whether that text counts as "video footage" under the rule that keeps footage out of training.

Who in your home is covered by which rule?

It depends on who's talking. One adult turns Gemini for Home on for the whole house, and Google says their acknowledgment of the disclosures "applies to all current and future devices and users in the home" (Google). The voice assistant is then "immediately available to everyone in your home" (Google). We put each person beside the rules Google's own pages set for them, read November 6, 2026.

Sources: Google's Nest privacy FAQ, camera features page, and Ask Home page.

Google's FAQ says Voice Matched children under 18 "always receive filtered responses, regardless of your selection" (Google). Its disclosure tells the Admin to "discuss these disclosures with other household members, including kids and guests," and adds that "others in the home may be able to hear responses in shared spaces."

Who has to delete what in a Gemini for Home house?

Each Voice Matched person clears their own history, and camera video is cleared one camera at a time. Google stores Gemini for Home activity in the Google Account of whoever is Voice Matched with Home History on (Google). Its disclosure asks the Admin to make sure other users "also review their Gemini for Home activity settings" (Google), so clearing your own Home History leaves your partner's requests where they are. The click path for each history is in how to delete Google Assistant recordings.

Camera video is deleted per camera, in that camera's settings, under Delete video history. Google's video history page says "Once your video history and snapshots are deleted, they can't be recovered. We don't keep backups" (Google).

Your phone's Gemini settings don't reach your speakers. The Gemini Apps Privacy Hub says turning off its recordings setting "doesn't turn off the Gemini for Home setting," which you manage in Google Home History (Google). The phone side is covered in is Gemini private.

How Morse keeps your questions out of your home's Google account

Every rule above comes back to one setup. A speaker in a shared room sends what anyone says to Google, under an account one adult agreed to for the whole house, and the settings only decide how long Google keeps it and whether it trains on it. Morse is a web app you type into, and your chat history is stored in your browser, encrypted, not on our servers.

That changes each problem the speaker raised:

• Training on Home History. Morse doesn't train AI on your content, sell your data, or show ads, so there's no Home History to turn off.
• The 24-hour copy and the 18-month default. Morse's servers don't keep your messages or log what you write.
• A copy for anyone to open. No archive of your chats sits on our servers for anyone to open, and because we don't store chats, we usually have very little to give authorities.
• Everyone in the room. History locks when you sign out, and opening it takes two keys, one that never leaves your device and one our server gives you at sign-in.

Then pick a mode for the question you wouldn't ask the kitchen speaker:

• Private, for the everyday questions you'd otherwise say out loud. Every new chat starts here. Open-weight models like DeepSeek, Kimi, and GLM, plus xAI's Grok, answer under the zero data retention agreements Morse has with its inference, search, and other providers, so they keep nothing. Where a provider confirms zero retention on each reply, Morse checks it and refuses a reply that doesn't.
• E2EE, for what you'd never want a household or a reviewer to hear. Your browser checks the secure enclave's hardware attestation, then encrypts the message so only that enclave can read it, and our servers relay ciphertext they can't read. The enclaves are run by third-party providers, not by Morse, and the protection rests on the enclave hardware and attestation working as designed. Here's how end-to-end encrypted AI chat works.
• Anonymous, for Gemini's answer without your Google Account. Pick Gemini from the model list, and our proxy removes your account, email, and IP address and sends the message under Morse's own account. Google sees the words without knowing it's you, and may keep them for a limited time to check for abuse, under its own policy, so leave out names and addresses.

Our privacy policy lists what a Morse account holds: sign-in details, plan, balance, and a usage ledger with no chat content. Clearing your browser deletes your chats for good, and we can't recover them, so copy anything you'll want later.

So is Gemini for Home private enough for your house?

• Training on what you ask: turn Home History off, knowing each request still stays in your account for up to 24 hours. Morse doesn't train AI on your chats.
• Your recordings: leave the recordings box unticked, and check that no one else in the home ticked it on their own Home History.
• Guests and kids: tell them the speaker is on Gemini, set filters for guests, and say "Stop" to end Gemini Live when someone walks in.
• Camera descriptions: turn the camera features off for any indoor camera you'd rather Gemini didn't caption, which also drops it from the Home Brief.
• Questions you'd rather not say out loud: type them on Morse, in E2EE for anything no one should read.

You can send a first message from the Morse home page without an account, or start free with no card needed. End-to-end encrypted chats come with Pro, at $19 a month.