GPTZZZ - Multi-model AI API access for developers

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GPTZZZ is an independent AI API relay for developers integrating models such as GPT, Claude and Gemini. It offers prepaid, usage-based billing, OpenAI-compatible and Claude Messages endpoints, and Chinese-language integration guides. Each API key belongs to one billing group; keys share an account balance. Top-ups are in CNY via Alipay. The website is primarily Chinese, with an English overview. GPTZZZ is not an official service of any model provider.

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GPTZZZ provides a shared prepaid balance for developers using several model families. API keys are created per billing group, so a GPT-group key cannot call Claude models. OpenAI-compatible clients and Claude Messages clients use their respective endpoints. The documentation and support pages are in Chinese; an English overview is available at . Payment is through Alipay in CNY, with no sign-up credits. Model availability and rates vary by group. The pricing page distinguishes GPT subscription-pool groups from official-key groups. GPTZZZ is an independent third-party service and is not affiliated with model providers.