Preference · Anthropic

Claude 3.7 Sonnet Nano on Arena Elo: score, rank and what it means

Claude 3.7 Sonnet Nano scores 1338.9 on Arena Elo, placing it #379 of 600 models in the index. The benchmark average is 1349.9 and the leader is Claude Opus 4.5 Max at 1501.9.

Score
1338.9
0–100 scale
Rank
#379
of 600
Percentile
37th
within the index
Benchmark avg
1349.9
all models
Leader
1501.9
Claude Opus 4.5 Max
Gap to leader
163.0
points

Score distribution

The chart shows the top 10 models on Arena Elo, with Claude 3.7 Sonnet Nano highlighted. Longer bars mean higher scores.

Claude Opus 4.5 Max 1501.9
GPT-5.2 Reasoning 1500.4
GPT-5.2 Turbo 1500.3
Claude Opus 4.5 Reasoning 1497.5
GPT-5.2 Max 1495.3
Gemini 3 Pro Turbo 1494.9
Grok 4 Max 1491.4
Claude Opus 4.5 1491.2
GPT-5.1 Pro 1490.0
Grok 4 Reasoning 1487.6

Top 10 leaderboard

#ModelProviderContextInput / 1MAvg score
1 Claude Opus 4.5 Max Anthropic 1000000 $20.90 87.8
2 GPT-5.2 Reasoning OpenAI 1000000 $20.98 87.5
3 GPT-5.2 Turbo OpenAI 1000000 $20.73 87.4
4 Claude Opus 4.5 Reasoning Anthropic 2000000 $20.91 88.2
5 GPT-5.2 Max OpenAI 1000000 $21.39 89.2
6 Gemini 3 Pro Turbo Google DeepMind 400000 $19.62 86.4
7 Grok 4 Max xAI 2000000 $19.70 86.6
8 Claude Opus 4.5 Anthropic 400000 $19.42 87.7
9 GPT-5.1 Pro OpenAI 200000 $19.77 87.8
10 Grok 4 Reasoning xAI 2000000 $19.67 87.8

What this score means

On Arena Elo, Claude 3.7 Sonnet Nano sits at #379 of 600. The leader, Claude Opus 4.5 Max, scores 1501.9, so the gap to the top is 163.0 points. The median model in this index scores 1373.8, which puts Claude 3.7 Sonnet Nano below the midpoint.

Anthropic models average 1437.5 on this benchmark. Claude 3.7 Sonnet Nano is 98.6 points below that provider line, so it is a weaker result than the average Anthropic model.

Among mid-range models, the average is 1332.0. Claude 3.7 Sonnet Nano is 6.9 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 1338.9 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 Arena Elo. The models immediately around it in the ranking are shown below so you can compare score and price together.

ModelProviderContextInput / 1MAvg score
Arctic Instruct Snowflake 65536 $2.83 70.6
Nova Pro Mini Amazon 16384 $7.74 70.6
Arctic Chat Snowflake 16384 $2.70 69.8
Auto OpenRouter 32768 $7.53 70.2
Claude 3.7 Sonnet Nano Anthropic 65536 $6.93 68.9
Phi-3.5 Chat Microsoft 16384 $2.64 69.0
Mixtral Groq Base Groq 32768 $2.66 68.4

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
AIME 2025 62.0 376 37th
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

FAQ

What score does Claude 3.7 Sonnet Nano get on Arena Elo?

Claude 3.7 Sonnet Nano scores 1338.9 on Arena Elo in this index. The benchmark average is 1349.9 and the top score is 1501.9.

How does Claude 3.7 Sonnet Nano rank on Arena Elo?

It ranks #379 of 600 models, in the 37th percentile. The leader is Claude Opus 4.5 Max at 1501.9.

Is Claude 3.7 Sonnet Nano good at Arena Elo?

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 Arena Elo score calculated?

Arena Elo is a preference 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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