If you are in mainland China and you open Claude, Claude Code, ChatGPT, or Cursor through a VPN, the country you pick matters more than people think. A lot of students default to the United States because that is where the product companies sit. That choice looks tidy on a map. On a real path out of China it is often the wrong one.
Why America feels “connected” and still fails you
A VPN exit in the United States is a long haul from mainland China. Latency commonly sits in the 200-450 ms range depending on your city and the hour. Claude Code does not send one short chat turn. It streams, retries, uploads context, and waits on tool calls. When every round trip is slow, you get timeouts, half-finished answers, and the urge to disconnect and try another country.
That hopping is what gets accounts in trouble. The model vendors see Tokyo, then Los Angeles, then Singapore, all before lunch, while the payment card still says one home country. We already covered the ban patterns in how to avoid Claude suspension in China. The short version: a flaky, rotating exit looks like several people sharing one login.
A slow American exit also makes the product feel broken when the tunnel is fine. Pages spin. Claude Code sits on “Thinking.” You blame the AI. The path was the problem.
Why Singapore is the better default for AI work
For ChatGPT, Claude, Claude Code, and similar tools from China, pick Singapore and stay there for the session.
From many mainland and nearby networks, Singapore is often around 98 ms: far closer than America. Ordinary HTTPS and model traffic run without the long Pacific hop on every keystroke.
Fast matters for more than comfort. Fewer timeouts mean fewer retries. Fewer retries mean you are less likely to smash Connect and jump cities. One stable Singapore exit is quieter than a “logical” American exit that drops half your sessions.
Hong Kong can also be short, but the evening peak out of China often crowds that path. For all-day Claude and ChatGPT work, Singapore is the safer habit.
Tokyo is usable for some people. It is still not the first pick when Singapore is already around 98 ms.
What not to type into Claude (this is the ban bait)
Do not open a chat with lines like:
- “I am a Chinese student in China studying …”
- “I am a foreigner living in China studying …”
- “I am currently in mainland China and need you to …”
People write those sentences hoping to “be honest” or to set context. On Claude they often work as a location flag. The account is already arriving through an overseas IP. Then the user text says the person is in China. That mismatch is exactly the kind of signal that shows up in suspension stories.
You do not need to narrate your passport, campus, or city for coding help, essay edits, or research. Ask the question. Paste the error. Attach the file. If the model needs a locale for a homework policy or a currency example, give the locale for the *task*, not a biography of where you are sitting.
Chinese students: writing in Chinese is fine. Language is not what triggers these bans. The problem is noisy exits and self-reported “I am in China” framing while the IP says Singapore or America. Use Chinese, English, or both. Stay on Singapore. Do not announce mainland residence in the prompt.
International students in China: same rule. Do not lead with “I am an exchange student in Shanghai.” Lead with the assignment or the bug.
A simple setup that holds
- Connect the VPN before you open Claude Code or the browser tab.
- Choose Singapore. Do not rotate through America “just to test.”
- Leave WeChat and Alipay on the local path. You need them for daily life; they do not belong on the AI exit.
- Keep Claude Code on the same whole-device tunnel as the browser. A browser-only extension leaves the terminal on the real network.
- If Singapore feels off one evening, wait or reconnect to Singapore. Do not bounce America → Japan → Singapore in ten minutes.
Try the path on a real Claude Code or ChatGPT session before you depend on it for a deadline. Unlimited traffic helps: a long coding day should not force you onto a second app mid-week.
Related reading: how to avoid Claude suspension in China, unlimited VPN for China, best VPN for foreigners in China.