Four official lists in one table, the error you get from an unsupported country, and what our servers saw from seven countries on 18 October 2026.
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| Criterion | ChatGPT and OpenAI API | Claude (apps and API) | Gemini web app | Gemini API and AI Studio |
|---|---|---|---|---|
| Mainland China | Not listed | Not listed | Workspace only | Not listed |
| Hong Kong | Not listed | Not listed | Listed | Not listed |
| Macau | Not listed | Not listed | Listed | Not listed |
| Taiwan | Listed | Listed | Listed | Listed |
| Russia and Belarus | Not listed | Not listed | Not listed | Not listed |
| Iran, North Korea, Syria, Cuba | Not listed | Not listed | Not listed | Not listed |
| Venezuela | Not listed | Not listed | Listed | Listed |
| Myanmar | Listed | Not listed | Listed | Not listed |
| Afghanistan | Listed | Not listed | Not listed | Not listed |
| Ukraine | Listed, with exceptions | Listed except Crimea, Donetsk, Kherson, Luhansk and Zaporizhzhia | Listed | Listed |
Checked against each official page on 18 October 2026. "Not listed" means the provider does not offer that service there. The United States, the United Kingdom, all 27 EU countries, Japan, Singapore, South Korea, Brazil, Indonesia and Kazakhstan are on all four lists.
OpenAI publishes one list of 208 countries and territories for ChatGPT on web and mobile, and the same list for its API. It warns that accessing or offering access to its services from outside that list "may result in your account being blocked or suspended". The API enforces it on every request: OpenAI documents a 403 "Country, region, or territory not supported" error whose cause is "You are accessing the API from an unsupported country, region, or territory."
Anthropic uses a single list for Claude.ai, Claude Code, its API and the Claude models sold through cloud platforms. Its Supported Regions Policy, marked effective 12 November 2026, counts three things as unsupported: people using Claude while physically in an unsupported region, companies incorporated or headquartered there, and companies majority-owned or controlled from there — wherever their staff sit.
Google keeps two lists. The Gemini web app is offered in more than 230 countries and territories, including Hong Kong and Macau; mainland China appears as "Workspace only", and Google notes the mobile app may differ. The Gemini API and Google AI Studio have a shorter list, last updated on 28 April 2026, without Hong Kong, Macau or mainland China — outside it, AI Studio reports that it "is not available in your region".
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| Criterion | United States | United Kingdom | Germany | Japan | Singapore | Brazil | Indonesia |
|---|---|---|---|---|---|---|---|
| ChatGPT | 1.8 s | 1.2 s | 1.1 s | 0.7 s | 0.5 s | 1.7 s | 0.9 s |
| Claude | 1.3 s | 1.2 s | 1.1 s | 0.8 s | 0.6 s | 2.1 s | 1.0 s |
| Gemini | 0.4 s | 0.4 s | 0.3 s | 0.3 s | 0.3 s | 0.3 s | 0.7 s |
Latest successful check per country in the round generated at 00:01 UTC, through a Proxy302 dynamic residential IP in each country. ChatGPT counts as reachable when the OpenAI API answers 401 (key required) with no "unsupported_country" error; Claude when the Anthropic API answers 401; Gemini when gemini.google.com answers. Times include the trip from our probe server in Asia. We publish successes only, and Gemini is never published from Russia because Google does not offer it there.
Through the proxy, open ipinfo.io/json — the same lookup our probe uses. The "country" field must be on the list of the service you want.
Expected result A two-letter code such as US, GB, DE or JP.
Request api.openai.com/v1/models through the proxy without a key. A 401 "Missing bearer authentication in header" means OpenAI accepts that location; a 403 with the code unsupported_country_region_territory means it does not. For Claude, api.anthropic.com/v1/models answers 401 "x-api-key header is required" from a supported location.
Sign up, pay and work from the same country on the same IP. A static ISP IP stays the same for the whole term, so the service sees one consistent home connection.
An exit IP changes where your connection comes from, nothing else.
Before continuing It does not change where your company is registered or who owns it — Anthropic's policy covers both, and OpenAI says use from outside its list may get an account blocked or suspended.
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# Copy HOST, PORT, USERNAME and PASSWORD from My assets
# SOCKS5 asset: use socks5h:// instead of http://
curl -x http://USERNAME:PASSWORD@HOST:PORT https://ipinfo.io/json
curl -x http://USERNAME:PASSWORD@HOST:PORT https://api.openai.com/v1/models
curl -x http://USERNAME:PASSWORD@HOST:PORT https://api.anthropic.com/v1/modelsWhat a supported location looks like: from a network in Singapore on 18 October 2026, api.openai.com returned 401 "Missing bearer authentication in header" and api.anthropic.com returned 401 "x-api-key header is required". An unsupported location gets 403 with "code": "unsupported_country_region_territory" from OpenAI.
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| Criterion | Choose | Why |
|---|---|---|
| Product | Static ISP proxy | A dedicated home-broadband IP that stays the same for your whole term |
| Country | One on the service's list — the presets start with the United States | Sign-up, billing and daily use from one place |
| IPs | One per account | Each account keeps its own history |
| Protocol | SOCKS5 (preset) or HTTP | Switch to HTTP for tools that only take an HTTP proxy |
| Term | 30 days | Renew to keep the same IP |
The button at the top opens the ChatGPT preset. The Claude and Gemini presets use the same defaults; you can change the country, protocol and Quantity (up to 100 IPs at a time) before you pay.
Check Look up the server's public IP on ipinfo.io. Cloud and edge networks are sometimes placed in another country — one OpenAI forum report traced the error to edge functions running in Hong Kong.
Fix Pin the deployment to a supported region, or send the API calls through a fixed IP in a listed country.
Check Is the exit in Hong Kong, Macau or another place that is only on the web-app list?
Fix Use an exit in a country on the API list, such as the United States or Japan.
Check Open ipinfo.io in the same browser profile. Is the exit the country you bought? Does a WebRTC test show a second address?
Fix Fix the profile's proxy and WebRTC settings, then sign out, clear the site's cookies and reload.
No. Mainland China, Hong Kong and Macau are not on OpenAI's list for ChatGPT or for its API (checked 18 October 2026).
No. Anthropic's list leaves out Hong Kong, Macau and mainland China, and its policy also excludes companies headquartered in or controlled from unsupported regions.
The Gemini web app is. The Gemini API and Google AI Studio are not.
No. Russia and Belarus are on none of the four lists — not ChatGPT, Claude, the Gemini app or the Gemini API.
Any country on the list of the service you use. The United States, the United Kingdom, EU countries, Japan and Singapore are on all four lists; our presets start with the United States.
No. The service sees the country of your exit IP, but its terms still apply: OpenAI says use from outside its list may lead to a blocked or suspended account, and Anthropic also looks at where your company is based and who controls it.
ChatGPT proxy on a dedicated static ISP IP in the US or another supported country: one IP per person, HTTP or SOCKS5, set up in minutes.
View options and pricingClaude proxy on a dedicated static ISP IP: Claude Code over HTTP (no SOCKS), one IP per person, an address you can allowlist — and Anthropic's region rules.
View options and pricingGemini proxy on a dedicated static ISP IP in a country on both Google lists — the Gemini app and AI Studio / Gemini API. One IP per Google account, HTTP or SOCKS5.
View options and pricingStatic ISP proxies for ChatGPT, Claude, Gemini, Cursor, Copilot and 5 more AI tools: one fixed IP per person, and each vendor’s country rules.
Dedicated static ISP proxies: a residential-grade IP that is yours alone and stays the same for the whole term. For social accounts, stores and AI tools. HTTP and SOCKS5.
View options and pricingOfficial documentation · Checked:
Official documentation · Checked:
The page refused our direct request (HTTP 403); we read it through a text-reader service and compared it with the API list — the same 208 entries.
Official documentation · Checked:
Third-party source · Checked:
Community report from 2024, not official documentation.
Official documentation · Checked:
The page is marked "Effective November 12, 2026".
Official documentation · Checked:
Google notes that the Gemini mobile app may have different availability.
Official documentation · Checked:
Page last updated 2026-04-28.
Product observation · Checked:
Snapshot of the public results for ChatGPT, Claude and Gemini generated at 00:01 UTC on 18 October 2026. The probe runs every hour through Proxy302 dynamic residential IPs in eight countries and publishes successful checks only.
A missing country means no successful check in the last six hours, not that the service is blocked there.
Product observation · Checked:
Read from the console preset table on 18 October 2026: the ChatGPT, Claude and Gemini presets start with a static ISP IP in the United States, SOCKS5 and a 30-day term.
Local example · Checked:
On 18 October 2026 we requested api.openai.com/v1/models and api.anthropic.com/v1/models without an API key and recorded the HTTP status and error text.
Create an account, top up once and pick rotating residential, static ISP or datacenter. Rotating residential exits cover 195+ countries and regions.
