llmboard.aiAI model intelligence
Home

Model Rankings

OverallOpen ModelsAgentCodingReasoningMathKnowledgeInstruction FollowingTextVision
Image GenerationImage Editing
Video GenerationImage to VideoVideo Editing
Text to SpeechSpeech to Text
Embeddings

Efficiency

Chat Token PricingImage PricingVideo PricingAudio Pricing
Chat Speed & LatencyProvider Reliability

Benchmarks

GPQAMMLU-ProAIME 2025SWE-Bench VerifiedMMLUHumanity's Last ExamLiveCodeBenchMATHHumanEvalMMMU-Pro
All Benchmarks

Tools

Model Directory

Scoring & Data

Scoring & Data
1224 models729 benchmarks

Leaderboard Center

Overall RankingCodingCore BenchmarksPrice & ValueRuntime Performance

Modalities

All ModelsImage GenerationImage EditingVideo GenerationImage-to-VideoVideo EditingText-to-SpeechSpeech-to-TextEmbeddings

Data & Methods

Scoring MethodAll Benchmarks
llmboard.aiCopyright 2026 llmboard.ai

math benchmark

IMO-AnswerBench Leaderboard

IMO-AnswerBench evaluates mathematical reasoning on International Mathematical Olympiad (IMO) problems, focusing on answer generation and verification.

Updated Sep 5, 2026

Models20
Model coverage20
MetricScore
EvidenceB

On this page

  • Ranking
  • Highlights
  • Distribution
  • Top models
  • About
  • FAQ

IMO-AnswerBench Ranking

Higher score ranks better on this benchmark.

20 rows
Columns

Show columns

Sort by
Rank
Model
Score
Percentile
Participants
Evidence
Evaluated
Rank01ModelNVNemotron 3 Ultra (550B A55B)NVIDIAScore92.30%Percentile100.00%Participants20EvidenceCEvaluatedSep 8, 2026
Rank02ModelZAGLM-5.2Zhipu AIScore91.00%Percentile94.74%Participants20EvidenceCEvaluatedSep 8, 2026
Rank03ModelTEHy3TencentScore90.00%Percentile89.47%Participants20EvidenceCEvaluatedSep 8, 2026
Rank04ModelACQwen3.7 MaxAlibaba Cloud / Qwen TeamScore90.00%Percentile84.21%Participants20EvidenceCEvaluatedSep 8, 2026
Rank05ModelDEDeepSeek-V4-Pro-MaxDeepSeekScore89.80%Percentile78.95%Participants20EvidenceCEvaluatedSep 8, 2026
Rank06ModelDEDeepSeek-V4-Flash-MaxDeepSeekScore88.40%Percentile73.68%Participants20EvidenceCEvaluatedSep 8, 2026
Rank07ModelMAKimi K2.6Moonshot AIScore86.00%Percentile68.42%Participants20EvidenceCEvaluatedSep 8, 2026
Rank08ModelACQwen3.7-PlusAlibaba Cloud / Qwen TeamScore86.00%Percentile63.16%Participants20EvidenceCEvaluatedSep 8, 2026
Rank09ModelSTStep-3.5-FlashStepFunScore85.40%Percentile57.89%Participants20EvidenceCEvaluatedSep 8, 2026
Rank10ModelDEDeepSeek-V4-Flash-0423DeepSeekScore85.10%Percentile52.63%Participants20EvidenceCEvaluatedSep 8, 2026
Rank11ModelZAGLM-5.1Zhipu AIScore83.80%Percentile47.37%Participants20EvidenceCEvaluatedSep 8, 2026
Rank12ModelACQwen3.6 PlusAlibaba Cloud / Qwen TeamScore83.80%Percentile42.11%Participants20EvidenceCEvaluatedSep 8, 2026
Rank13ModelZAGLM-4.7Zhipu AIScore82.00%Percentile36.84%Participants20EvidenceCEvaluatedSep 8, 2026
Rank14ModelMAKimi K2.5Moonshot AIScore81.80%Percentile31.58%Participants20EvidenceCEvaluatedSep 8, 2026
Rank15ModelACQwen3.5-397B-A17BAlibaba Cloud / Qwen TeamScore80.90%Percentile26.32%Participants20EvidenceCEvaluatedSep 8, 2026
Rank16ModelACQwen3.6-27BAlibaba Cloud / Qwen TeamScore80.80%Percentile21.05%Participants20EvidenceCEvaluatedSep 8, 2026
Rank17ModelACQwen3.6-35B-A3BAlibaba Cloud / Qwen TeamScore78.90%Percentile15.79%Participants20EvidenceCEvaluatedSep 8, 2026
Rank18ModelMAKimi K2-Thinking-0905Moonshot AIScore78.60%Percentile10.53%Participants20EvidenceCEvaluatedSep 8, 2026
Rank19ModelMELongCat-Flash-Thinking-2601MeituanScore78.60%Percentile5.26%Participants20EvidenceCEvaluatedSep 8, 2026
Rank20ModelDEDeepSeek-V3.2DeepSeekScore78.30%Percentile0.00%Participants20EvidenceCEvaluatedSep 8, 2026

IMO-AnswerBench Highlights

The leading models and scores on this benchmark.

IMO-AnswerBench Score Distribution

A closer view of the leading scores on this benchmark.

IMO-AnswerBench

The Top AI Models for IMO-AnswerBench

The first five results on this benchmark, with official price and output speed added where the model identity can be matched.

What is IMO-AnswerBench?

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.

Family
IMO-AnswerBench
Modality
text
Primary category
math
Score direction
higher
LLMBoard eligible
No
Evaluation key
overall

LLM Stats. Benchmark scores retain their original unit. Overall score eligibility is shown separately.

FAQ

Common questions about IMO-AnswerBench.

Which model scores highest on IMO-AnswerBench?

Nemotron 3 Ultra (550B A55B) is currently ranked first with 92.30%.

What are the top three models on IMO-AnswerBench?

The current leaders are Nemotron 3 Ultra (550B A55B) (92.30%), GLM-5.2 (91.00%), and Hy3 (90.00%).

Which IMO-AnswerBench model has the lowest official input price?

Step-3.5-Flash has the lowest matched official input price at $0.10 input / $0.30 output per 1M tokens.

Which models are fastest among IMO-AnswerBench results?

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).

Does the highest score result prove overall model quality?

No. This benchmark measures one defined capability or task. The overall LLMBoard score uses a separate aggregation across eligible benchmark evidence.

What does IMO-AnswerBench measure?

It measures answer generation and verification on IMO problems using Score, reported as a ratio.

Is a higher score better?

Yes. Higher values rank better for this benchmark.

How many models are compared?

20 model results are currently shown.

Does this benchmark affect the overall score?

No. This benchmark is shown for reference but does not contribute to the overall score.

Rank #1Nemotron 3 Ultra (550B A55B)92.30%
Rank #2GLM-5.291.00%
Rank #3Hy390.00%
Rank #4Qwen3.7 Max90.00%

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.

  1. 01
    NV
    Nemotron 3 Ultra (550B A55B)NVIDIA
    Score
    92.30%
    Price
    $0.50 input / $2.5 output per 1M tokens

    Strengths

    • Ranks #1 of 20 compared models
    • 100th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures IMO-AnswerBench, not total model capability
  2. 02
    ZA
    GLM-5.2Zhipu AI
    Score
    91.00%
    Price
    $1.4 input / $4.4 output per 1M tokens
    Speed
    Up to 3.96 tok/s via ZAI

    Strengths

    • Ranks #2 of 20 compared models
    • 95th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures IMO-AnswerBench, not total model capability
  3. 03
    TE
    Tencent
    Score
    90.00%

    Strengths

    • Ranks #3 of 20 compared models
    • 89th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures IMO-AnswerBench, not total model capability
  4. 04
    AC
    Alibaba Cloud / Qwen Team
    Score
    90.00%
    Price
    $2.5 input / $7.5 output per 1M tokens

    Strengths

    • Ranks #4 of 20 compared models
    • 84th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures IMO-AnswerBench, not total model capability
  5. 05
    DE
    DeepSeek
    Score
    89.80%

    Strengths

    • Ranks #5 of 20 compared models
    • 79th percentile on this benchmark
    • C evidence result

    Considerations

    • This result measures IMO-AnswerBench, not total model capability

Selection summary

Best AI Models for IMO-AnswerBench

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.

Hy3
Qwen3.7 Max
DeepSeek-V4-Pro-Max
Benchmark rank #1Nemotron 3 Ultra (550B A55B)92.30% · $0.50 input / $2.5 output per 1M tokens
Benchmark rank #2GLM-5.291.00% · $1.4 input / $4.4 output per 1M tokens
Benchmark rank #3Hy390.00%