ChatGPT, Claude, Gemini, Copilot, Midjourney and Cursor do not all encounter the same network issues. Separate region checks, IP risk controls, streaming connections and API requests before deciding whether to change routes or adjust local settings.
A page loading does not mean conversations, generation tasks and developer requests will remain stable. AI services rely on region detection, session connections, static assets and API requests at the same time, so the issue can occur at any one of these stages.
Services commonly use the exit IP to determine the access region. Using one region at login and switching repeatedly to another during conversations can trigger verification, invalidate sessions or change available features. For stable use, choose a route that matches the service’s regional requirements and avoid repeated region changes for short-term speed gains.
Account login, web sessions and payment verification may all respond to sudden IP changes. A shared exit is not necessarily a problem; consistency throughout the connection matters more. If the page repeatedly asks you to sign in again, lock the route first, then clear old sessions and re-enter instead of cycling through multiple regions.
When a response appears word by word, the browser maintains an ongoing connection with the service. Brief route instability, system sleep, background power saving or an intermediary proxy closing the connection early can appear as a stalled response, interrupted generation or an endlessly waiting page. These cases depend more on stability than on how quickly a page opens once.
AI websites often access more than the main site, including authentication, scripts, fonts, images, uploads and content-delivery resources. Allowing only the main domain can leave a blank page, unresponsive buttons or failed attachments. In development environments, also check that the terminal, IDE and browser use the same network exit.
Similar tool names do not imply identical connection patterns. Assess web conversations, code completion, image tasks and API calls separately.
WEB / API
For web apps, focus on region detection, login sessions and streaming responses. If login loops occur, keep the exit region unchanged first, then check browser cookies, system time and extensions. For API calls, verify that the terminal process inherits the proxy and that the request library has not configured a separate network exit.
WEB / LONG SESSION
Long responses and file analysis maintain sessions for an extended period. Changing routes mid-task can leave the page showing you as signed in while later requests fail. Lock the exit before starting a long task; when uploads fail, also check file requests, session status and browser background power saving.
ACCOUNT / REGION
The account region, access exit and service page should remain reasonably consistent. If the homepage opens but a specific feature does not, do not simply refresh; check whether the account session expired, whether the exit region changed and whether authentication resources loaded completely.
BROWSER / IDE
Browser services and editor extensions may use different network paths. If the web app works but the IDE keeps loading, check the editor’s own proxy settings, system certificates, the extension process environment and network permissions. Additional gateways on enterprise networks can also interrupt persistent connections.
DISCORD / MEDIA
The workflow depends on Discord message channels and image resources loading. If text messages work but images remain unavailable, media resources may not be using the same usable route. Check the web or client exit, image-resource access and background connection status together.
IDE / STREAM
Code completion, chat panels and model requests all run inside the editor process. A successful browser test does not prove that the IDE uses the same route. If completion remains pending, check Cursor’s network settings, whether the process reads the system proxy and whether the project terminal and editor main process share the same exit.
This table does not compare fabricated speed-test data; it shows what to check first for different usage patterns.
| Tool | Primary connection pattern | Route priorities | Common failure symptoms | First checks |
|---|---|---|---|---|
| ChatGPT | Web conversations, streaming output, API | Stable region, consistent session, matching terminal exit | Login loops, interrupted responses, API timeouts | Lock the region; check the browser and command line separately |
| Claude | Long responses, file analysis, persistent sessions | Stable persistent connection, complete upload path | Generation stalls, attachment upload failures | Disable power-saving interference and keep the route unchanged during the task |
| Gemini | Account services, web applications | Coordinated account region and exit environment | Homepage works, specific features unavailable | Check the session, region and authentication resources |
| Copilot | Browser, IDE extensions | Editor process reachable, persistent connection stable | Web works, extension keeps loading | Check the IDE proxy, certificates and process environment |
| Midjourney | Message channels, image resources | Messages and media resources use the same exit | Messages work, images fail to load | Check the client route and resource domains |
| Cursor | Code completion, editor chat | Matching IDE main-process and terminal exits | Completion stays pending, model requests do not respond | Check editor settings and system proxy inheritance |
Many failures occur before a session is established. At this point, repeatedly changing browsers, regions and cache settings can mix the causes together.
First choose a route that meets the target service’s regional requirements and confirm that the browser is using that exit before opening the login page. Continue using the same route after signing in. If verification is requested, follow the page’s normal process and do not change regions during verification.
Old sessions saved by the browser may come from a previous exit environment. If you keep getting sent back to the login page, sign out, close the related pages and re-enter on a fixed route. Clearing site data is a later step; do not erase all browsing data at the outset.
If the same account works in another stable environment but consistently fails on the current device, focus on the local proxy, DNS, extensions and system time. If multiple devices behave the same way on one exit, pay closer attention to the route region, exit status or server-side session.
VPNIJ account creation requires no email address; a username and password are enough. This rule applies only to accounts for this service. Third-party AI tools set their own account requirements, so follow the prompts on their pages.
Browsers, terminals, IDEs and automated tasks may each read different proxy settings. Being able to chat on the web does not prove that API requests are using an international route.
The web app needs the main page, authentication, scripts, static assets and streaming requests to be reachable together. For a blank page, open the browser developer tools and check for failed resource requests. For interrupted responses, check whether an extension, enterprise gateway or sleep mechanism closed the streaming connection early.
Split-routing rules should cover the related resources required by the service, not just the homepage. If multiple network extensions are installed in the browser, prevent them from rewriting the proxy and request headers at the same time.
Command-line tools and backend programs typically do not inherit network settings from browser extensions automatically. Confirm that the running process reads the system proxy or the project’s specified proxy environment, and check whether the request library ignores environment variables. Containers, remote development environments and local terminals may also have different exits.
When an API returns an authentication error, first verify the credentials and request format. Only connection timeouts, DNS failures and interrupted handshakes should lead you to prioritize network troubleshooting. Do not attribute every API error to the route.
Developer tools often run outside the browser. The key question is not whether the interface shows a connection, but where the process making the request actually exits.
In the same terminal session, first confirm that DNS resolution and HTTPS requests work, then run the SDK or script. If the system proxy is connected but the command still times out, check the Shell environment, request-library settings and certificate chain. Reopening the terminal can change environment variables, so verify them again.
The editor’s main process, integrated terminal and extension host may not share network settings. If the extension panel will not load, check the editor logs first, then verify the proxy mode and certificate settings. A working browser connection only confirms the browser path; it does not replace checks on the IDE side.
Continuous integration usually runs in a remote execution environment and cannot directly use a local client connection. Configure a lawful, available network exit for that environment, and store access credentials in the project’s provided secret-management system. Avoid printing complete credentials, request headers or reusable links in logs.
A container may have its own DNS and network namespace, while a remote development environment sends requests from the remote machine. Test in the environment where the code actually runs instead of judging only from the local browser. If the host works but the container does not, check container networking and proxy forwarding.
First determine whether the symptom involves login, resources, persistent connections or process configuration, then choose the next step. Blindly changing routes usually only adds variables.
The main page can load without establishing the streaming request. Lock the current route and refresh the session first, then check browser extensions, system sleep and network changes. If switching to another route in the same region fixes it, the original path likely had poor persistent-connection performance.
Common causes include the exit region changing during login, old cookies conflicting with the current session, an incorrect system clock or incomplete authentication resources. Keep the region unchanged, end the old session and re-enter; do not keep changing routes while the verification page is open.
The browser may be using an extension while the command line and program still use the local default network. Check whether the running process reads the proxy, whether the request library supports the relevant environment settings and whether DNS resolves through the intended exit. Authentication or parameter errors should be handled as API configuration issues.
An editor extension runs in a separate process and may not inherit the browser or system proxy. Check the extension logs and editor network settings, and confirm that the integrated terminal and editor main process use the same exit. Certificate checks on enterprise networks can also affect the extension connection.
Interrupted generation usually involves the persistent connection; upload failures also require checking the file-resource path. Do not change routes during the task, keep the device online and make sure browser background power saving has not paused the page. If only attachments fail, inspect the upload request instead of resetting every setting.
An old session may still retain the previous environment, or the issue may involve account permissions, server status or local settings. Establish a fresh session and test again, comparing the web app, terminal and IDE on the same route. If every tool is inaccessible, use the full troubleshooting manual to check DNS, the system proxy and client status.
Prioritize routes that meet the target tool’s regional requirements, remain stable throughout the connection and do not change exits frequently. Web conversations depend mainly on streaming connections; IDEs and APIs also require confirmation that the actual process uses the same exit. Keep the route unchanged once a long task begins. When issues occur, compare routes within the same region rather than repeatedly switching across regions.
VPNIJ offers 120+ countries / 210+ routes and supports Windows / macOS / iOS / Android / Linux, with unlimited devices online at the same time. Monthly plans include ¥9.9/month with 60GB, ¥18/month with 250GB and ¥28/month with 500GB. Traffic resets monthly on the activation date; mid-cycle upgrades are prorated by the remaining days.
For irregular usage, choose data packages that remain available until used and never expire: ¥158/300GB, ¥358/1000GB and ¥658/3000GB. Payment methods include Alipay / WeChat Pay / USDT, and plans come with a 30-day money-back guarantee.