Anthropic · multimodal · Released 2025-07-07

Claude 3.7 Sonnet: pricing, context window and benchmarks

Claude 3.7 Sonnet is a multimodal model from Anthropic. It offers a 200,000-token context window, costs $14.91 per million input tokens and $74.27 per million output tokens, and averages 81.6 across the index's benchmark suite.

codingvisionlong contextmultimodal
Input price
$14.91
per 1M tokens
Output price
$74.27
per 1M tokens
Context
200,000
tokens
Avg score
81.6
rank #91 of 600
Arena Elo
1451.9
modelled
Max output
128,000
tokens

Pricing

Claude 3.7 Sonnet costs $14.91 per million input tokens and $74.27 per million output tokens. A blended 3:1 input-to-output mix works out to about $29.75 per million tokens. Cached input is listed at $1.70 per million tokens.

ItemPriceNotes
Input$14.91per 1M tokens
Output$74.27per 1M tokens
Cached input$1.70per 1M tokens
Blended 3:1$29.75estimate per 1M tokens
1M in + 1M out$89.18estimate

Benchmarks

Scores below are modelled estimates on a 0–100 scale. Use them to compare relative position, not as official vendor results.

BenchmarkScoreRankPercentileRelative
MMLU-Pro 83.5 93 85th
GPQA Diamond 80.2 53 91th
SWE-bench Verified 70.1 107 82th
HumanEval 85.7 103 83th
MATH-500 88.9 60 90th
AIME 2025 81.2 70 88th
LiveCodeBench 75.0 95 84th
IFEval 88.5 94 84th
TruthfulQA 81.7 133 78th
HellaSwag 87.6 156 74th
MMMU 75.5 149 75th
Arena Elo 1451.9 68 89th

What Claude 3.7 Sonnet is good for

Claude 3.7 Sonnet is tuned toward coding work. It is a reasonable candidate for code generation, review, debugging and repository-scale tasks, especially when paired with a retrieval layer. At $14.91 per million input tokens, it sits in the mid-range of the index, and the 200,000-token context window is enough for large files and multi-file diffs.

Strengths

  • Large 200,000-token context window for long documents and agent traces.
  • Accepts more than text, including image input where the provider supports it.
  • Coding benchmarks are a relative strength within its tier.

Trade-offs

  • Proprietary licence: you cannot download the weights or self-host the model.
  • Premium input pricing at $14.91 per million tokens.

How it compares

ModelProviderContextInput / 1MAvg score
Llama 4 Maverick Instruct Meta AI 200000 $5.33 81.7
Mistral Large 3 Mistral AI 128000 $5.41 81.7
Claude 3.7 Sonnet Anthropic 200000 $14.91 81.6
Doubao 1.5 Pro Reasoning ByteDance 128000 $14.56 81.6
Gemini 2.5 Pro Google DeepMind 200000 $15.20 81.6
Llama 4 Maverick Meta AI 200000 $5.36 81.6

Browse all comparisons →

FAQ

How much does Claude 3.7 Sonnet cost?

Claude 3.7 Sonnet is listed at $14.91 per million input tokens and $74.27 per million output tokens. Cached input is $1.70 per million tokens. A blended 3:1 input-to-output mix is about $29.75 per million tokens.

What is the context window of Claude 3.7 Sonnet?

Claude 3.7 Sonnet has a context window of 200,000 tokens and can emit up to 128,000 output tokens per request in this index.

Is Claude 3.7 Sonnet open weights?

No. Claude 3.7 Sonnet is a proprietary model with a proprietary licence, so you cannot download the weights.

How does Claude 3.7 Sonnet score on benchmarks?

Claude 3.7 Sonnet averages 81.6 across the scored benchmarks in this index, ranking #91 of 600 models. Its strongest relative result is Arena Elo at 1451.9.

What is Claude 3.7 Sonnet best for?

Claude 3.7 Sonnet is tuned toward coding work. It is a reasonable candidate for code generation, review, debugging and repository-scale tasks, especially when paired with a retrieval layer. At $14.91 per million input tokens, it sits in the mid-range of the index, and the 200,000-token context window is enough for large files and multi-file diffs.

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