Anthropic Prompt Caching
Anthropic's prompt caching stores frequently reused prompt prefixes server-side, enabling cache reads at ~10% of normal input token cost. Learn the vocabulary for cache_control directives, TTL behavior, creation vs read token billing, and multi-turn conversation patterns.
cache_control: { type: 'ephemeral' } to a 900-token system prompt. On the second identical call 10 minutes later, which token counts appear in the response usage?cache_read_input_tokens for the cached portion and bills at ~10% of normal input token cost. input_tokens reflects only non-cached tokens. The first call shows cache_creation_input_tokens; subsequent cache-hit calls show cache_read_input_tokens.Frequently Asked Questions
What does the "Anthropic Prompt Caching" vocabulary exercise cover?
This exercise tests real IT vocabulary related to anthropic prompt caching through 5 multiple-choice questions, each built from realistic workplace sentences rather than abstract definitions.
Is this vocabulary exercise free to use?
Yes. Every exercise on CoderSlingo, including this one, is completely free — no account, sign-up, or payment required.
How many questions does this exercise have?
This exercise has 5 questions. Each one shows a real-world sentence or scenario with multiple-choice options and an explanation once you answer.
What happens after I answer a question?
You'll see immediate feedback showing whether your answer was correct, along with a short explanation of why — then a button to move to the next question, and a full results screen at the end.
Can I retry the exercise if I get questions wrong?
Yes. Once you reach the results screen, click "Try again" to reset your answers and go through the exercise from the start as many times as you like.
Do I need to create an account to take this exercise?
No account is needed. Your answers are scored in your browser during the session — nothing is saved to a server, so you can jump straight in.
Is my progress saved if I leave the page?
No — progress within an exercise resets if you navigate away or reload. Each exercise is short enough to complete in a few minutes in one sitting.
Are these vocabulary exercises connected to other topics?
Yes — this module shares real-world context with 17 other vocabulary modules. See "Related vocabulary" below to keep building a connected skill set.
How is this different from reading a glossary or blog article?
Exercises like this one are active recall drills — you have to choose the correct term or phrasing yourself, which builds retention faster than passively reading a definition.
Where can I find more vocabulary exercises?
Browse the full Vocabulary exercises hub for hundreds of modules covering Agile, DevOps, security, databases, architecture, and more — organised by IT role and skill.