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Model Selection and Optimization Questions

Practice questions for Model Selection and Optimization topic in Claude Certified Developer – Foundations. 33 questions covering this domain.

33 questions8 easy17 medium8 hard
Q1
hard

A team evaluates Claude Opus 4.8 vs Claude Haiku 4.5 for a document processing pipeline. Haiku 4.5 scores 0.82 on their quality eval while Opus 4.8 sc...

Q2
medium

A developer plans to process 10,000 document classification requests per month. Each request uses 4,000 input tokens and generates 200 output tokens w...

Q3
medium

A developer needs a model for a multi-step pipeline that calls 30 tools in sequence, executes complex code, and runs long autonomous agent sessions la...

Q4
easy

Which current Claude model is described as "the fastest model with near-frontier intelligence"?

Q5
hard

A developer has a 30,000-token static knowledge base on Claude Opus 4.8 ($5/MTok input). Requests arrive every 10–30 minutes during business hours but...

Q6
medium

What is the maximum number of output tokens Claude Opus 4.8 can generate in a single synchronous Messages API response?

Q7
easy

What is the context window size for Claude Haiku 4.5?

Q8
medium

Among Claude Fable 5, Claude Opus 4.8, Claude Sonnet 5, and Claude Haiku 4.5, which is the only model that supports extended thinking — the feature th...

Q9
medium

A developer wants to programmatically determine which Claude models support specific capabilities before making API calls, to avoid hardcoding model l...

Q10
hard

A production system serves 10,000 requests per day with a 50,000-token shared knowledge base as the system prompt. Requests arrive every 2–15 seconds ...

Q11
medium

When using prompt caching, at what multiple of the base input token price are 1-hour cache writes charged?

Q12
medium

What is the fundamental difference between extended thinking and adaptive thinking in Claude models?

Q13
easy

When a prompt cache hit occurs, at what fraction of the base input token price are cached tokens charged?

Q14
hard

A team migrates their agent pipeline from Claude Opus 4.6 to Claude Opus 4.8. They notice that previously cached system prompts are causing cache miss...

Q15
medium

A developer is building a customer-facing chatbot where response time under 1 second is critical for user experience. Which Claude model attribute is ...

Q16
easy

What is the introductory input token price for Claude Sonnet 5 through August 31, 2026?

Q17
medium

A research team needs to process 200-page academic papers and generate comprehensive summaries. They want to minimize processing cost while maintainin...

Q18
medium

Which pricing tier for cache writes costs 25% more than base input tokens (1.25x multiplier)?

Q19
easy

What is the introductory output token price for Claude Sonnet 5 through August 31, 2026?

Q20
hard

A startup builds an AI coding assistant using Claude Opus 4.8. After launch, cost projections show monthly token usage will exceed the budget by 40%. ...

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