AI and LLMs · Senior · Question 43 of 75
When is a reasoning model worth its extra cost and latency?
- 1For every request, since it is always better
- 2Only for short greetings and simple lookups
- 3For multi-step tasks with a clear eval gain
Show the answer
Correct answer: For multi-step tasks with a clear eval gain
Explanation
Simple classification rarely needs extended thinking; complex planning or code often does. Measure, don't assume.