Prompt Caching
Learn how prompt caching works, how to structure prompts to hit the cache, and what it saves. Free, one sitting.
25Sessions
beginnerLevel
Core competency stack
Start Learning for Free↓ 5 modules, 25 sessions below
Learning Path
25 sessions. Open a chapter to see every session, its brief, and the tools you'll use.
The repeated preamble problem
Paying full price for the same text.
How prefix caching works
Why the front of the prompt matters.
What it saves
Cost and latency together.
Cache lifetime
How long a cached prefix survives.
Provider differences
What varies between APIs.