math benchmark
IMO-AnswerBench evaluates mathematical reasoning on International Mathematical Olympiad (IMO) problems, focusing on answer generation and verification.
Updated Sep 5, 2026
Higher score ranks better on this benchmark.
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelNV | Score92.30% | Percentile100.00% | Participants20 | EvidenceC | Evaluated |
| Rank02 | ModelZA | Score91.00% | Percentile94.74% | Participants20 | EvidenceC | Evaluated |
| Rank03 | ModelTE | Score90.00% | Percentile89.47% | Participants20 | EvidenceC | Evaluated |
| Rank04 | ModelAC | Score90.00% | Percentile84.21% | Participants20 | EvidenceC | Evaluated |
| Rank05 | ModelDE | Score89.80% | Percentile78.95% | Participants20 | EvidenceC | Evaluated |
| Rank06 | ModelDE | Score88.40% | Percentile73.68% | Participants20 | EvidenceC | Evaluated |
| Rank07 | ModelMA | Score86.00% | Percentile68.42% | Participants20 | EvidenceC | Evaluated |
| Rank08 | ModelAC | Score86.00% | Percentile63.16% | Participants20 | EvidenceC | Evaluated |
| Rank09 | ModelST | Score85.40% | Percentile57.89% | Participants20 | EvidenceC | Evaluated |
| Rank10 | ModelDE | Score85.10% | Percentile52.63% | Participants20 | EvidenceC | Evaluated |
| Rank11 | ModelZA | Score83.80% | Percentile47.37% | Participants20 | EvidenceC | Evaluated |
| Rank12 | ModelAC | Score83.80% | Percentile42.11% | Participants20 | EvidenceC | Evaluated |
| Rank13 | ModelZA | Score82.00% | Percentile36.84% | Participants20 | EvidenceC | Evaluated |
| Rank14 | ModelMA | Score81.80% | Percentile31.58% | Participants20 | EvidenceC | Evaluated |
| Rank15 | ModelAC | Score80.90% | Percentile26.32% | Participants20 | EvidenceC | Evaluated |
| Rank16 | ModelAC | Score80.80% | Percentile21.05% | Participants20 | EvidenceC | Evaluated |
| Rank17 | ModelAC | Score78.90% | Percentile15.79% | Participants20 | EvidenceC | Evaluated |
| Rank18 | ModelMA | Score78.60% | Percentile10.53% | Participants20 | EvidenceC | Evaluated |
| Rank19 | ModelME | Score78.60% | Percentile5.26% | Participants20 | EvidenceC | Evaluated |
| Rank20 | ModelDE | Score78.30% | Percentile0.00% | Participants20 | EvidenceC | Evaluated |
The leading models and scores on this benchmark.
A closer view of the leading 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.
What IMO-AnswerBench measures and how its scores work.
IMO-AnswerBench is a benchmark for evaluating mathematical reasoning capabilities on International Mathematical Olympiad (IMO) problems.
It measures answer generation and verification on IMO problems using Score, reported as a ratio.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.
Common questions about IMO-AnswerBench.
Nemotron 3 Ultra (550B A55B) is currently ranked first with 92.30%.
The current leaders are Nemotron 3 Ultra (550B A55B) (92.30%), GLM-5.2 (91.00%), and Hy3 (90.00%).
Step-3.5-Flash has the lowest matched official input price at $0.10 input / $0.30 output per 1M tokens.
The fastest matched records are DeepSeek-V3.2 (97.00 tok/s via DeepInfra), Step-3.5-Flash (21.16 tok/s via StepFun), and GLM-5.2 (3.96 tok/s via ZAI).
No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.
It measures answer generation and verification on IMO problems using Score, reported as a ratio.
Yes. Higher values rank better for this benchmark.
20 model results are currently shown.
No. This benchmark is shown for reference but does not contribute to the overall score.
Ranking basisThis imo-answerbench AI model leaderboard uses descending score in the benchmark original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
Selection summary
Nemotron 3 Ultra (550B A55B) currently leads IMO-AnswerBench with 92.30%. 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.