Why Your LLM API Is Slow in China Even With a Proxy: Cherry Studio, Claude Code, and NVIDIA API Fix

Why Your LLM API Is Slow in China Even With a Proxy (Cherry Studio, Claude Code, NVIDIA API Explained) Many developers working with large language model (LLM) tools such as Cherry Studio, Claude Code, or OpenAI-compatible APIs (for example NVIDIA NIM endpoints) encounter a frustrating situation: The API is reachable, but responses are slow—even after configuring a proxy. This issue is often misunderstood as a simple “network problem” or “bad VPN configuration.” In reality, it is a multi-layer architectural issue involving routing, SDK behavior, and model inference latency. This article breaks down the problem in a structured and practical way, …