Mathematics · Allen Institute for AI

Molmo on AIME 2025: score, rank and what it means

Molmo scores 59.3 on AIME 2025, placing it #392 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
59.3
0–100 scale
Rank
#392
of 600
Percentile
35th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
32.1
points

Score distribution

The chart shows the top 10 models on AIME 2025, with Molmo 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, Molmo sits at #392 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 32.1 points. The median model in this index scores 67.6, which puts Molmo below the midpoint.

Allen Institute for AI models average 50.2 on this benchmark. Molmo is 9.0 points above that provider line, so it is a stronger result than the average Allen Institute for AI model.

Among open-weight models, the average is 61.8. Molmo is 2.5 points below that group. This is the more useful comparison if you are shortlisting within the same tier rather than across the whole index.

Read a 59.3 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 $2.49 per million input tokens, Molmo is below 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
Nemotron Nano Base NVIDIA 8192 $1.85 65.0
Phi-3.5 Base Microsoft 65536 $2.24 66.6
GPT-4.1 Nano OpenAI 32768 $7.42 70.5
Reka Flash Mini Reka AI 16384 $5.77 65.5
Molmo Allen Institute for AI 32768 $2.49 68.5
Firesearch Fireworks AI 32768 $7.03 68.5
Nova Lite Mini Amazon 16384 $5.43 65.0

Other benchmarks for Molmo

BenchmarkScoreRankPercentileRelative
MMLU-Pro 74.0 353 41th
GPQA Diamond 65.3 355 41th
SWE-bench Verified 57.9 357 41th
HumanEval 74.4 353 41th
MATH-500 72.0 366 39th
LiveCodeBench 57.1 394 34th
IFEval 77.5 372 38th
TruthfulQA 74.0 352 41th
HellaSwag 79.2 392 35th
MMMU 63.3 397 34th
Arena Elo 1328.8 389 35th

FAQ

What score does Molmo get on AIME 2025?

Molmo scores 59.3 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does Molmo rank on AIME 2025?

It ranks #392 of 600 models, in the 35th percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is Molmo good at AIME 2025?

It is below the median for this benchmark, so test it carefully before relying on it for this capability. 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 Molmo cost?

Molmo costs $2.49 per million input tokens and $9.45 per million output tokens.

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