Disclosure: I'm 于侃 (Yu Kan), the developer behind NovAI , an API gateway for Chinese AI models. Every number in this article was measured by running the test script below. I tested DeepSeek's official API separately to verify the gateway adds zero overhead.
Source: [Dev.to](https://dev.to/vvvvking/i-ran-8-ai-apis-through-the-same-50-prompts-heres-the-real-cost-breakdown-1b6k)