reasoning benchmark
OJBench (C++)
OJBench (C++) is the C++ subset of OJBench, a competition-level code benchmark that evaluates large language models on programming competition problems from NOI and ICPC using C++ as the implementation language.
Updated Aug 7, 2026
Published models1
Registry coverage1
MetricScore
EvidenceB
OJBench (C++) leaderboard
Sorted by the source-provided rank. Higher score is better according to the registry.
| 1 | MA | 57.4% | 100.0% | 1 | C |
OJBench (C++) highlights
The top published results on this benchmark's own scale.
What is OJBench (C++)?
Definition and scoring fields from the benchmark registry.
OJBench (C++) is the C++ subset of OJBench, a competition-level code benchmark that evaluates large language models on programming competition problems from NOI and ICPC using C++ as the implementation language.
Scores are shown in ratio. The current registry marks this benchmark as not independently verified with evidence level B.
- Family
- OJBench (C++)
- Modality
- text
- Primary category
- reasoning
- Score direction
- higher
- LLMBoard eligible
- No
- Evaluation key
- ojbench-cpp|llm-stats-current
Source-native results are preserved. Eligibility for the overall LLMBoard score is a separate policy decision.
FAQ
Common questions about OJBench (C++).
Which model scores highest on OJBench (C++)?
Kimi K2.5 is currently ranked first with 57.4%.
What does OJBench (C++) measure?
OJBench (C++) is the C++ subset of OJBench, a competition-level code benchmark that evaluates large language models on programming competition problems from NOI and ICPC using C++ as the implementation language.
Is a higher score better?
Yes. Higher values rank better for this benchmark.
How many models are compared?
1 unique published model results are currently shown.
Does this benchmark affect the overall score?
This benchmark is preserved as source-native evidence but is not eligible for the current overall score.