API · no tools. This is the prompt and response recorded for this attempt; a full solution may not have been returned.
Problem Statement
This is a Korean CSAT mathematics multiple-choice problem. Solve it and put only the correct choice symbol, one of ①, ②, ③, ④, ⑤, inside \boxed{}.
Problem 3 Let{a n}be a sequence satisfying 4X k=1 (2ak −k) = 0. Compute 4X k=1 ak. [3 points] ①1 ②2 ③3 ④4 ⑤5 1
Ground Truth
⑤
Recorded model response / solution
Reasoning Process
\boxed{⑤}
Final Model Output
⑤
Comparative Analysis (P2) (Average across runs)
Averages use reported measurements only. Missing usage is not treated as zero.
Avg Time Taken
Motif 3
12.0
Kimi K3
5.2
Solar Pro 4
4.2
K-EXAONE-2
0.7
Avg Token Usage
Solar Pro 4
512.0
Kimi K3
395.0
K-EXAONE-2
352.7