Official MCP RegistryListed
AISub
ChatGPT, Claude, Gemini, Perplexity and Grok subscription prices by country, with price history.
First seen 30 Oct 2026. Evidence as of 10 Nov 2026.
7
Tools
From an anonymous probe
1
Source listings
Each with its own history
15
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| compare_credits | Compare credit pack prices (extra usage credits sold on top of a subscription, such as ChatGPT credits) across regions, normalised to the price per 100 credits in one currency. Answers questions like "where are ChatGPT credits cheapest?". | Read-only |
| compare_prices | Rank the price of one subscription plan (e.g. ChatGPT Plus, Claude Pro, Google AI Pro) across countries and regions, converted to one currency. Answers questions like "where is ChatGPT Plus cheapest?" or "how much is Claude Pro in Turkey?". Prices are monthly equivalents; for yearly billing the full-year total is also given. Each response includes when the prices and exchange rates were last updated. | Read-only |
| get_price_history | List the recorded price changes of one plan in one region, newest first, with the previous and new local price. Use it for questions like "has ChatGPT Plus gotten more expensive in Brazil?". | Read-only |
| get_recent_price_changes | List monthly subscription price changes AISub recorded across all regions in the last N days, newest first. Use it for questions like "which countries changed ChatGPT prices this month?". | Read-only |
| get_reference_prices | Read reviewed Claude website reference prices in their original currency. These have no country, ranking, exchange conversion or purchase eligibility guarantee. Unverified currencies are never returned. | Read-only |
| get_region_prices | Show every plan price of one product in one country or region, for each sales channel and billing interval, with its rank among all regions and its difference from the United States. Answers questions like "how much does ChatGPT cost in Japan?" or "is Claude cheaper in India than in the US?". | Read-only |
| list_catalog | List the AI subscription products, sales channels, plan keys, billing intervals and regions that AISub tracks. Call without arguments for an overview; pass a product (and optionally a channel) to also get its region codes and the currencies available for conversion. Use the returned plan keys and region codes with the other tools. | Read-only |
Change history
- list_catalog: input schema changed
- get_reference_prices: tool added
- get_price_history: input schema changed
- compare_prices: input schema changed
- compare_credits: input schema changed
- server instructions changed (+"published" +"region, including" +"Store sources. Available products")
- get_recent_price_changes: input schema changed
- get_price_history: input schema changed
- list_catalog: input schema changed
- get_region_prices: input schema changed
- get_recent_price_changes: input schema changed
- get_price_history: input schema changed
- compare_prices: input schema changed
- compare_credits: input schema changed
- Listed (registry)
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | ai.yuanwu/aisub | 30 Oct 2026 | 10 Nov 2026 | 1 |