Short answer
ChatGPT may seem to know your location because you mentioned it in a message or other available context, because a service estimates your general area from your IP address, or because a feature uses location information to provide local results. Those are different routes: the model itself does not need GPS access for ChatGPT to use location-related information. OpenAI says ChatGPT Search can use location information for local results, and that approximate location derived from an IP address may be shared with search providers. OpenAI says it does not share the IP address itself or ChatGPT account information with those providers to run a search. (Searching the web with ChatGPT)
That still does not tell you which route explains a particular answer. A city name in a response is not proof that ChatGPT accessed your phone’s precise location. The policy for U.S. users is OpenAI’s U.S. Privacy Policy; the separate ROW policy directs U.S. readers to that version.
How ChatGPT might identify a city
- You supplied the clue. A city, address, workplace, or nearby landmark in your current message or other context available to ChatGPT could point to a location. If a response shows a Sources control for personalization, you can review sources it identifies, such as a past chat or saved memory. Sources may not show every factor that shaped the response. (Memory in ChatGPT)
- A service estimated your general area. OpenAI’s Search Help Center describes approximate location derived from an IP address being used to help provide local results. An approximate estimate is not the same as an exact address or GPS coordinates. (Searching the web with ChatGPT)
- A search feature used location information. OpenAI says ChatGPT Search can use location information for local results such as restaurants, news, and weather. The Help Center says approximate IP-derived location may be shared with search providers, but the IP address itself and account information are not shared with them to run the search. (Searching the web with ChatGPT)
- A precise-location feature or device permission was involved. A PCWorld report described opt-in precise-location sharing and iOS permission choices. That is secondary, time-sensitive reporting—not proof of current availability or settings on every platform. (PCWorld)
- A connected app or tool contributed information. If you use connected apps, review which accounts are connected and what permissions you granted. The available evidence does not establish that any one app or tool caused a particular answer. (Managing app permissions in ChatGPT)
These possibilities can overlap. The information available here does not identify the exact source of a particular answer after the fact.
Does ChatGPT have my precise location?
An approximate location based on an IP address is different from precise device location. OpenAI’s current Search documentation confirms that location information can support local results, but it does not establish a universal precise-location permission flow across ChatGPT platforms.
PCWorld previously reported that shared precise-location data was discarded after a prompt while location details written in the conversation could remain in chat history. Treat that as secondary reporting, not a current, complete retention guarantee: the article does not establish behavior on every platform, retention periods, or what deleting a chat removes from other systems. (PCWorld)
What to check if ChatGPT names your city
- Review the conversation and available personalization sources. Check whether you mentioned the place, asked for something “near me,” or shared a file containing location details. If a response has a Sources control for personalization, review what it identifies; it may not show every factor that shaped the response.
- On iPhone, inspect app location access. Open Settings → Privacy & Security → Location Services and check whether ChatGPT appears in the app list. If it does, you can change or revoke its Location Services access there. The exact choices depend on what the app requests and what iOS displays. This checks device permission; it does not prevent an approximate IP-based estimate. (Apple: Manage Location Services settings)
- Review Memory separately. In ChatGPT, open Settings → Personalization → Memory to review the controls available to your account. Options vary by plan, region, platform, and workspace. Turning Memory off does not delete past chats. (Memory in ChatGPT)
- Remove the relevant chat and saved memory separately, if both contain the information. Delete a chat to remove it from your chat history. Deleting that chat does not automatically delete a separately saved memory. To remove a saved memory, ask ChatGPT to forget it or delete it in Memory settings; the available controls can vary by account. (Deleting and archiving chats in ChatGPT; Memory in ChatGPT)
What this means for a production API
Do not assume an API model automatically receives a user’s GPS location because a consumer ChatGPT feature may use location. The consumer privacy policy is not the API data policy; OpenAI says content processed on behalf of API customers is governed by the applicable customer agreements. (U.S. Privacy Policy; API data controls)
There is a documented location-aware option for the Responses API web-search tool: an application can provide an approximate user location to refine search results, using country, city, region, and/or timezone. The documentation describes these as approximate search-location hints—not automatic access to the caller’s device location. Your application must determine what location to provide and supply it to the tool. Check the current documentation for the endpoint and model you plan to use; the available evidence here does not establish every model/tool compatibility restriction or a general API capability for precise GPS coordinates. (Web search | OpenAI API)
Before production, determine what location precision your feature actually needs, obtain appropriate user permission in your application, send only the necessary location information, and verify the applicable API terms and data-handling requirements. Do not infer API behavior from a consumer ChatGPT setting.
Bottom line: A city-level answer could reflect information you shared, an approximate location used by a service, or a location-enabled feature or tool. The answer alone does not reveal which. Check device permissions, conversation history, and Memory separately; for an API feature, provide only the documented location input your application needs.
Sources
Searching the web with ChatGPT — OpenAI Help Center
Sharing your location with ChatGPT? Do it the right way — PCWorld
Manage Location Services settings — Apple Support
Memory in ChatGPT — OpenAI Help Center
Deleting and archiving chats in ChatGPT — OpenAI Help Center