Head-to-head · multimodal vs multimodal

Claude 3.7 Sonnet Vision vs DeepSeek-R1 Base: which model should you choose?

We compared Claude 3.7 Sonnet Vision and DeepSeek-R1 Base on price, context window and 12 benchmarks. Claude 3.7 Sonnet Vision has the stronger average benchmark score; DeepSeek-R1 Base is cheaper on a blended 3:1 basis.

Anthropic

Claude 3.7 Sonnet Vision

Claude 3.7 Sonnet Vision is a multimodal model from Anthropic. It offers a 400,000-token context window, costs $13.96 per million input tokens and $56.28 per million output tokens, and averages 81.0 across the index's benchmark suite.

Input
$13.96 / 1M
Output
$56.28 / 1M
Context
400,000
Avg score
81.0
Open weights
No
Full Claude 3.7 Sonnet Vision page
DeepSeek

DeepSeek-R1 Base

DeepSeek-R1 Base is a multimodal model from DeepSeek. It offers a 400,000-token context window, costs $5.05 per million input tokens and $26.24 per million output tokens, and averages 80.1 across the index's benchmark suite.

Input
$5.05 / 1M
Output
$26.24 / 1M
Context
400,000
Avg score
80.1
Open weights
Yes
Full DeepSeek-R1 Base page

Specification comparison

SpecClaude 3.7 Sonnet VisionDeepSeek-R1 BaseEdge
Input price / 1M$13.96$5.05B
Output price / 1M$56.28$26.24B
Context window400,000400,000Tie
Max output8,19265,536B
Average score81.080.1A
Arena Elo1429.61442.9B
Open weightsNoYesB

Benchmark comparison

Claude 3.7 Sonnet Vision wins 5, DeepSeek-R1 Base wins 7, and 0 benchmarks are tied. The table shows the modelled score for each model and the gap.

BenchmarkClaude 3.7 Sonnet VisionDeepSeek-R1 BaseGapWinner
MMLU-Pro82.581.01.5Claude 3.7 Sonnet Vision
GPQA Diamond77.376.21.1Claude 3.7 Sonnet Vision
SWE-bench Verified72.271.21.0Claude 3.7 Sonnet Vision
HumanEval85.483.42.0Claude 3.7 Sonnet Vision
MATH-50084.884.90.1DeepSeek-R1 Base
AIME 202580.973.87.1Claude 3.7 Sonnet Vision
LiveCodeBench75.776.00.3DeepSeek-R1 Base
IFEval87.988.20.3DeepSeek-R1 Base
TruthfulQA81.682.20.6DeepSeek-R1 Base
HellaSwag89.490.00.6DeepSeek-R1 Base
MMMU73.874.20.4DeepSeek-R1 Base
Arena Elo1429.61442.913.3DeepSeek-R1 Base

Price analysis

On a blended 3:1 input-to-output basis, Claude 3.7 Sonnet Vision costs about $24.54 per million tokens and DeepSeek-R1 Base costs about $10.35. DeepSeek-R1 Base is roughly 58% cheaper than Claude 3.7 Sonnet Vision. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.

Both models list a 400,000-token context window. That is enough for long documents, large codebases and multi-step agent traces.

Verdict

Across 12 shared benchmarks, Claude 3.7 Sonnet Vision wins 5, DeepSeek-R1 Base wins 7, and 0 are tied. On the index average, Claude 3.7 Sonnet Vision leads DeepSeek-R1 Base by 0.9 points (81.0 versus 80.1).

The price picture favours DeepSeek-R1 Base. The context picture is effectively a tie. Those two dimensions often matter more than a few benchmark points once a model is good enough for the task.

If you need a single default, start with Claude 3.7 Sonnet Vision for quality-sensitive work and DeepSeek-R1 Base for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.

Choose Claude 3.7 Sonnet Vision if

  • You want the higher average benchmark score in this index.

Choose DeepSeek-R1 Base if

  • Unit cost matters and you want the cheaper blended price.
  • You need the larger 65,536-token output limit.
  • You need open weights for self-hosting or fine-tuning.

FAQ

Is Claude 3.7 Sonnet Vision better than DeepSeek-R1 Base?

On the index average, Claude 3.7 Sonnet Vision leads DeepSeek-R1 Base by 0.9 points (81.0 versus 80.1). The better choice depends on price, context and your task. Claude 3.7 Sonnet Vision wins 5 benchmarks, DeepSeek-R1 Base wins 7.

Which is cheaper, Claude 3.7 Sonnet Vision or DeepSeek-R1 Base?

DeepSeek-R1 Base is cheaper on a blended 3:1 basis at about $10.35 per million tokens, versus $24.54 for Claude 3.7 Sonnet Vision.

Which has the larger context window?

Both models list a 400,000-token context window.

Are these models open weights?

Claude 3.7 Sonnet Vision is proprietary; DeepSeek-R1 Base is open weights.

Which should I choose for production?

If you need a single default, start with Claude 3.7 Sonnet Vision for quality-sensitive work and DeepSeek-R1 Base for high-volume, well-scoped tasks. Run both on a sample of your own traffic before locking in a choice.

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