n1n

n1n is an enterprise-grade unified LLM API gateway platform that provides access to 400+ top large language models worldwide — including GPT, Claude, Gemini, and DeepSeek — through a single API key. The platform uses pay-as-you-go billing with prices as low as 10% of official rates, giving developers and enterprises a highly cost-effective way to access AI models.

Main Features

• Unified API access: reach 400+ LLM models with one API key, compatible with the OpenAI API format for seamless migration of existing integrations
• Multimodal generation: beyond text, supports image, video, and audio content generation
• Globally available network: coverage across seven regions — the US, Japan, South Korea, the UK, Hong Kong, the Philippines, and Russia — for low-latency, highly stable service
• Flexible billing management: pay-as-you-go with a balance that never expires, plus fine-grained control over API key validity periods and quotas
• Enterprise-grade service: supports domestic corporate-to-corporate bank transfers and VAT invoices for formal business use

Use Cases In AI application development, developers can use n1n to connect to multiple AI models quickly for comparison testing and pick the best fit; for enterprise AI adoption scenarios such as e-commerce customer service systems and automated content generation, n1n enables low-cost AI integration; indie developers and startups can use its highly competitive pricing and new-user free credits to validate product prototypes fast.

Unique Advantages n1n offers a 1 CNY = 1 USD exchange-rate advantage, saving up to 85% compared with other platforms' 1:7.3 rate policy; direct domestic connectivity requires no VPN, avoiding complex network configuration and the risk of account bans; and one-click setup is supported for mainstream tools like Cursor, ChatBox, NextChat, and LobeChat.