Mastering 3 Key Points of Claude Caching Billing: Why You Must Use Anthropic Native Format for Invocation
Many developers run into a confusing issue when using the Claude API: "I've enabled prompt caching, so why don't I see any cache discounts on my bill?" The answer is usually quite simple—you're using the OpenAI-compatible mode for your model invocation, but Claude's cache billing only supports the Anthropic native Messages API format. This isn't…
