reasoning benchmark
CRUXEval-O (output prediction) with Chain-of-Thought prompting. Part of the CRUXEval benchmark consisting of 800 Python functions (3-13 lines) designed to evaluate code reasoning, understanding, and execution capabilities. The output prediction task requires models to predict the output of a given Python function with specific inputs, evaluated using chain-of-thought reasoning methodology.
Updated Aug 11, 2026
Higher score ranks better on this benchmark.
| 01 | AC | 56.0% | 100.0% | 1 | C |
The leading models and scores on this benchmark.
What CRUXEval-Output-CoT measures and how its scores work.
CRUXEval-O (output prediction) with Chain-of-Thought prompting. Part of the CRUXEval benchmark consisting of 800 Python functions (3-13 lines) designed to evaluate code reasoning, understanding, and execution capabilities. The output prediction task requires models to predict the output of a given Python function with specific inputs, evaluated using chain-of-thought reasoning methodology.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about CRUXEval-Output-CoT.
Qwen2.5-Coder 7B Instruct is currently ranked first with 56.0%.
CRUXEval-O (output prediction) with Chain-of-Thought prompting. Part of the CRUXEval benchmark consisting of 800 Python functions (3-13 lines) designed to evaluate code reasoning, understanding, and execution capabilities. The output prediction task requires models to predict the output of a given Python function with specific inputs, evaluated using chain-of-thought reasoning methodology.
Yes. Higher values rank better for this benchmark.
1 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.