ChatGPT Stuck on Loading? 9 Fixes for the Endless Spinner

Updated June 2026

ChatGPT can get trapped on a blank page, an endless logo animation, or a conversation that never finishes loading. The fastest way out is to identify whether the failure is global, limited to one browser session, or caused by the network between your device and ChatGPT. Work through the checks below in order; each one narrows the cause instead of asking you to erase everything at once.

1. Identify what is actually stuck

“Infinite loading” describes several different failures. The entire site may be blank, the sidebar may appear while one conversation keeps spinning, or ChatGPT may accept a prompt and remain on Thinking or Generating. Treating these as the same problem wastes time. First open status.openai.com. If an incident affects ChatGPT, logins, or conversations, local browser changes are unlikely to help until the service recovers.

1. Test a new chat. If a fresh conversation opens, the original thread may be unusually long or temporarily corrupted.
2. Test another device. If your phone works on the same account, focus on the original browser or computer.
3. Test another network. A mobile hotspot is a useful comparison for workplace, school, or filtered Wi-Fi.
4. Ask whether others are affected. If coworkers on the same network fail while mobile data works, the network is the likely boundary.

2. Refresh the page and repair the session

Start with reversible actions. Wait 30 to 60 seconds in case a response is still completing. If the response controls are visible, choose Stop generating and then Regenerate. Next use a hard refresh: Ctrl + Shift + R on Windows or Linux, or Cmd + Shift + R on macOS. A hard refresh asks the browser to retrieve current page assets instead of relying on cached copies.

1. Close duplicate ChatGPT tabs so several sessions are not competing for memory or stale state.
2. Sign out of ChatGPT, close the tab, reopen chatgpt.com, and sign in again.
3. If the desktop or mobile app is affected, fully quit it rather than only minimizing it.
4. Update the browser or app, then restart it before testing again.

A private or incognito window is the best isolation test because it starts with a fresh session and normally disables most extensions. If ChatGPT loads there, the service and account are probably healthy. The remaining suspects are stored site data, an extension, or a browser profile setting. Clear data for ChatGPT specifically before deleting your entire browser history. You will need to sign in again, but server-stored conversations are not removed by clearing local cookies and cache.

3. Find extensions or browser data blocking ChatGPT

Content blockers, privacy extensions, antivirus browser add-ons, script modifiers, and AI sidebars can interfere with authentication or live page updates. Disable them temporarily, refresh ChatGPT, and re-enable them one at a time. Pay special attention to extensions that block JavaScript, cookies, trackers, WebSockets, or cross-site requests. An extension can break ChatGPT even when other websites appear normal.

1. Open the browser’s extension manager and record which extensions are currently enabled.
2. Disable all nonessential extensions, especially privacy, security, ad-blocking, and userscript tools.
3. Reload ChatGPT and open a new conversation.
4. If it works, re-enable extensions individually and reload after each change until the failure returns.

Also check whether the browser is short on memory. Very long ChatGPT threads, many open tabs, and several web apps can make the page appear frozen. Close heavy tabs and use the browser task manager if available. When only a long conversation is slow, preserve it for reference but continue the work in a new thread with a concise summary. Starting fresh reduces the amount of conversation context the interface must manage.

4. Test VPN, DNS, firewall, and WebSocket access

ChatGPT depends on more than a basic page download. Some features use secure WebSocket connections for live updates. A corporate proxy, TLS inspection appliance, VPN, secure DNS service, or web filter may allow the initial HTML while interrupting the long-lived connection, leaving the interface spinning. OpenAI’s current network guidance says WebSocket traffic over TCP port 443 must be permitted and the standard upgrade handshake must not be rewritten or closed prematurely.

1. Temporarily disconnect your VPN or proxy and retry ChatGPT.
2. Pause secure DNS, web protection, or antivirus web filtering long enough to run one controlled test.
3. Switch from Wi-Fi to a mobile hotspot. If the page immediately loads, the original network needs attention.
4. On a managed network, ask IT to review blocked OpenAI and ChatGPT domains, WebSocket upgrades, TLS inspection, and idle timeouts.

Do not permanently weaken workplace security controls on your own. Share the exact time of the failed test, the affected URL, and whether another network worked. That evidence gives an administrator something actionable. OpenAI publishes a current allowlist in its network recommendations; use that official list rather than copying an old set of domains from a forum post.

5. Collect evidence before contacting support

If ChatGPT still hangs across a private window, another browser, another device, and another network while the status page shows no incident, collect evidence. Note the exact local time and time zone, browser and version, operating system, model selected, conversation URL or ID, and the steps that reproduce the problem. A screenshot is useful, but a timestamped browser console log or HAR file can show which request failed.

HAR files can contain URLs, request metadata, and account-related information. Follow OpenAI Support’s instructions, sanitize the file if requested, and send it only through the official support channel. Never publish a HAR file in a public forum. If the issue is limited to one conversation, include that detail and test whether exporting or copying essential context into a new chat provides a workable path while support investigates.

• Record the error wording exactly instead of paraphrasing it.
• Include whether private mode, a second browser, and a second network worked.
• Mention VPN, proxy, antivirus, or corporate filtering in use.
• Do not send passwords, session cookies, API keys, or other secrets.

Frequently asked questions

Will clearing ChatGPT cookies delete my conversations?

Clearing local cookies and site data signs you out and removes browser-side state. Conversations stored with your OpenAI account should remain available after you sign in again. Save any unsent text before clearing data.

Why does one ChatGPT conversation load forever while new chats work?

The thread may be very long or its current state may be failing to load. Start a new chat, provide a short summary of the needed context, and keep the old thread as a reference while you retry later.

Why does ChatGPT work on mobile data but not on Wi-Fi?

That comparison points to the Wi-Fi network, router, DNS, proxy, firewall, or filtering policy. On managed networks, give IT the test details and OpenAI’s official network recommendations.

Official sources

• OpenAI Help: Troubleshooting ChatGPT error messages
• OpenAI Help: Network recommendations for ChatGPT
• OpenAI service status

Bottom line: Check service status first, use a private window to isolate browser state, then compare networks. That sequence resolves most endless-loading cases and gives support useful evidence when it does not.