Mathematics · Anthropic

Claude 3.7 Sonnet Nano on AIME 2025: score, rank and what it means

Claude 3.7 Sonnet Nano scores 62.0 on AIME 2025, placing it #376 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
62.0
0–100 scale
Rank
#376
of 600
Percentile
37th
within the index
Benchmark avg
63.6
all models
Leader
91.4
Claude Opus 4.5 Pro
Gap to leader
29.4
points

Score distribution

The chart shows the top 10 models on AIME 2025, with Claude 3.7 Sonnet Nano 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, Claude 3.7 Sonnet Nano sits at #376 of 600. The leader, Claude Opus 4.5 Pro, scores 91.4, so the gap to the top is 29.4 points. The median model in this index scores 67.6, which puts Claude 3.7 Sonnet Nano below the midpoint.

Anthropic models average 79.7 on this benchmark. Claude 3.7 Sonnet Nano is 17.7 points below that provider line, so it is a weaker result than the average Anthropic model.

Among mid-range models, the average is 60.1. Claude 3.7 Sonnet Nano is 1.9 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 62.0 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 $6.93 per million input tokens, Claude 3.7 Sonnet Nano 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
ERNIE 4.5 Mini Baidu 32768 $8.62 71.0
OLMo 2 Base Allen Institute for AI 65536 $2.39 67.4
Grok 3 Nano xAI 8192 $7.12 67.8
Molmo Instruct Allen Institute for AI 32768 $2.53 68.3
Claude 3.7 Sonnet Nano Anthropic 65536 $6.93 68.9
Embed 4 Max Cohere 8192 $5.68 66.1
Mixtral Turbo Base Together AI 32768 $2.53 69.7

Other benchmarks for Claude 3.7 Sonnet Nano

BenchmarkScoreRankPercentileRelative
MMLU-Pro 72.5 373 38th
GPQA Diamond 63.8 379 37th
SWE-bench Verified 58.9 344 43th
HumanEval 72.8 376 37th
MATH-500 72.4 363 40th
LiveCodeBench 59.7 372 38th
IFEval 76.2 386 36th
TruthfulQA 73.0 368 39th
HellaSwag 81.1 365 39th
MMMU 65.6 376 37th
Arena Elo 1338.9 379 37th

FAQ

What score does Claude 3.7 Sonnet Nano get on AIME 2025?

Claude 3.7 Sonnet Nano scores 62.0 on AIME 2025 in this index. The benchmark average is 63.6 and the top score is 91.4.

How does Claude 3.7 Sonnet Nano rank on AIME 2025?

It ranks #376 of 600 models, in the 37th percentile. The leader is Claude Opus 4.5 Pro at 91.4.

Is Claude 3.7 Sonnet Nano 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 Claude 3.7 Sonnet Nano cost?

Claude 3.7 Sonnet Nano costs $6.93 per million input tokens and $27.07 per million output tokens.

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