CCDV-F Model Selection and Cost Management Practice Question
A developer is using the Claude API to generate marketing copy for 50 different product lines. Each request includes a unique set of product details and a unique creative brief. The developer wants to minimize cost while ensuring high-quality output. Which model should they choose?
⚠ Common exam trap
The trap here is assuming that the most expensive model always yields the best results, or that the cheapest model is always sufficient.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
claude-3-sonnet-20240229
Marketing copy generation requires creativity and coherence but not the deep reasoning of Opus. Sonnet provides a balanced combination of quality and cost, making it the most suitable for this task. Haiku might sacrifice quality, while Opus would be overkill and more expensive. Claude 2.1 is outdated. Therefore, Sonnet is the optimal choice to minimize cost while ensuring high-quality output.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
claude-3-opus-20240229
Why it's wrong here
Opus is the most powerful model but also the most expensive. For generating marketing copy, which is a creative but not highly complex task, Opus's advanced reasoning may not be necessary. Using it would increase costs unnecessarily. While quality might be high, the goal is to minimize cost, so a more cost-effective model is preferable unless quality requirements demand Opus.
- ✓
claude-3-sonnet-20240229
Why this is correct
Sonnet offers a strong balance of quality and cost, making it well-suited for creative writing tasks like marketing copy. It is less expensive than Opus but still capable of producing high-quality output. For 50 unique requests, Sonnet provides the best cost-performance trade-off. This choice aligns with the objective to minimize cost while maintaining quality.
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claude-2.1
Why it's wrong here
Claude 2.1 is an older model with lower capabilities compared to the Claude 3 family. It may be less effective for creative tasks and could be more expensive than newer, more efficient models like Haiku or Sonnet. Using an outdated model is not a cost-effective or quality-driven choice for modern marketing copy generation.
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claude-3-haiku-20240307
Why it's wrong here
Haiku is the cheapest and fastest model, but it may not consistently deliver the high-quality creative output required for marketing copy. While it could reduce costs, the risk of lower-quality results might lead to rework or poor customer perception. The scenario emphasizes high-quality output, so Haiku is likely too limited unless quality requirements are flexible.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Anthropic exam blueprint
This CCDV-F practice question is part of Courseiva's free Anthropic certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCDV-F exam.