reasoning benchmark
CRUXEval input prediction task with Chain of Thought (CoT) prompting. Part of the CRUXEval benchmark for code reasoning, understanding, and execution evaluation. Given a Python function and its expected output, the task is to predict the appropriate input using chain-of-thought reasoning. Consists of 800 Python functions (3-13 lines) designed to evaluate code comprehension and reasoning capabilities.
Updated Aug 17, 2026
Higher score ranks better on this benchmark.
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelAC | Score56.5% | Percentile100.0% | Participants1 | EvidenceC | Evaluated |
The leading models and scores on this benchmark.
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
Ranking basisThis cruxeval-input-cot AI model leaderboard uses descending score in the benchmark's original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
Selection summary
Qwen2.5-Coder 7B Instruct currently leads CRUXEval-Input-CoT with 56.5%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.
What CRUXEval-Input-CoT measures and how its scores work.
CRUXEval input prediction task with Chain of Thought (CoT) prompting. Part of the CRUXEval benchmark for code reasoning, understanding, and execution evaluation. Given a Python function and its expected output, the task is to predict the appropriate input using chain-of-thought reasoning. Consists of 800 Python functions (3-13 lines) designed to evaluate code comprehension and reasoning capabilities.
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-Input-CoT.
Qwen2.5-Coder 7B Instruct is currently ranked first with 56.5%.
CRUXEval input prediction task with Chain of Thought (CoT) prompting. Part of the CRUXEval benchmark for code reasoning, understanding, and execution evaluation. Given a Python function and its expected output, the task is to predict the appropriate input using chain-of-thought reasoning. Consists of 800 Python functions (3-13 lines) designed to evaluate code comprehension and reasoning capabilities.
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.