Mathematics · OpenAI

o4 Mini on AIME 2025: score, rank and what it means

o4 Mini scores 75.3 on AIME 2025, placing it #150 of 600 models in the index. The benchmark average is 63.6 and the leader is Claude Opus 4.5 Pro at 91.4.

Score
75.3
0–100 scale
Rank
#150
of 600
Percentile
75th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
16.1
points

Score distribution

The chart shows the top 10 models on AIME 2025, with o4 Mini highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Pro 91.4
GPT-5.2 Pro 91.0
GPT-5.1 Pro 90.6
GPT-5.2 90.6
o4 Reasoning 90.3
o4 Pro 89.9
Claude Opus 4.5 89.8
Gemini 3 Pro Max 89.6
Claude Opus 4.5 Max 89.3
Claude Opus 4.5 Reasoning 88.9

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Pro Anthropic 200000 $20.98 89.1
2 GPT-5.2 Pro OpenAI 2000000 $21.32 89.6
3 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
4 GPT-5.2 OpenAI 2000000 $19.71 88.0
5 o4 Reasoning OpenAI 1000000 $19.69 87.5
6 o4 Pro OpenAI 1000000 $19.37 87.3
7 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
8 Gemini 3 Pro Max Google DeepMind 2000000 $20.57 87.9
9 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
10 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2

What this score means

On AIME 2025, o4 Mini sits at #150 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 16.1 points. The median model in this index scores 67.6, which puts o4 Mini above the midpoint.

OpenAI models average 80.9 on this benchmark. o4 Mini is 5.6 points below that provider line, so it is a weaker result than the average OpenAI model.

Among multimodal models, the average is 73.9. o4 Mini is 1.4 points above that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 75.3 as a relative signal, not an absolute guarantee. Benchmark scores depend on prompt format, evaluation harness and contamination controls. Use this page to narrow the shortlist, then test the model on your own data.

Price context

At $11.92 per million input tokens, o4 Mini is above the median input price of $4.00 across the 600 models scored on AIME 2025. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Doubao 1.5 Pro Turbo ByteDance 128000 $13.81 79.4
ERNIE 4.0 Pro Baidu 200000 $12.58 77.5
Nova Pro Turbo Amazon 128000 $13.18 78.4
Kimi K2 Base Moonshot AI 65536 $4.82 79.2
o4 Mini OpenAI 200000 $11.92 77.7
Doubao 1.5 Pro ByteDance 200000 $13.65 79.7
MiniMax-M2 Base MiniMax 65536 $4.20 76.4

Other benchmarks for o4 Mini

BenchmarkScoreRankPercentileRelative
MMLU-Pro 80.7 160 73th
GPQA Diamond 73.5 189 69th
SWE-bench Verified 64.9 215 64th
HumanEval 81.8 190 68th
MATH-500 83.5 136 77th
LiveCodeBench 67.7 232 61th
IFEval 84.6 200 67th
TruthfulQA 81.2 152 75th
HellaSwag 87.7 155 74th
MMMU 73.7 201 67th
Arena Elo 1417.0 163 73th

FAQ

What score does o4 Mini get on AIME 2025?

o4 Mini scores 75.3 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does o4 Mini rank on AIME 2025?

It ranks #150 of 600 models, in the 75th percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is o4 Mini good at AIME 2025?

Yes, relative to the index: it is above the median and inside the top half of scores. The result should be read alongside its price and context window.

How is the AIME 2025 score calculated?

AIME 2025 is a mathematics benchmark. Scores in this index are modelled estimates on a 0–100 scale (or Elo for Arena), derived from capability tier and benchmark difficulty. They are not official leaderboard results.

What does o4 Mini cost?

o4 Mini costs $11.92 per million input tokens and $51.03 per million output tokens.

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