Claude 3.7 Sonnet vs DeepSeek-V3 Comparison

Comparing Claude 3.7 Sonnet and DeepSeek-V3 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Claude 3.7 Sonnet outperforms in 5 benchmarks (AIME 2024, GPQA, IFEval, MATH-500, SWE-Bench Verified), while DeepSeek-V3 is better at 0 benchmarks.

Claude 3.7 Sonnet significantly outperforms across most benchmarks.

Sun Mar 22 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3 costs less

For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) is 11.1x more expensive than DeepSeek-V3 ($0.27/1M tokens).

For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) is 13.6x more expensive than DeepSeek-V3 ($1.10/1M tokens).

In conclusion, Claude 3.7 Sonnet is more expensive than DeepSeek-V3.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers

Sun Mar 22 2026 • llm-stats.com

Claude 3.7 Sonnet

Input tokens$3.00

Output tokens$15.00

Best providerAnthropic

DeepSeek-V3

Input tokens$0.27

Output tokens$1.10

Best providerDeepSeek

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Context Window

Maximum input and output token capacity

Claude 3.7 Sonnet accepts 200,000 input tokens compared to DeepSeek-V3's 131,072 tokens. DeepSeek-V3 can generate longer responses up to 131,072 tokens, while Claude 3.7 Sonnet is limited to 128,000 tokens.

Claude 3.7 Sonnet

Input200,000 tokens

Output128,000 tokens

DeepSeek-V3

Input131,072 tokens

Output131,072 tokens

Sun Mar 22 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3.7 Sonnet supports multimodal inputs, whereas DeepSeek-V3 does not.

Claude 3.7 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.7 Sonnet

Text

Images

Audio

Video

DeepSeek-V3

Text

Images

Audio

Video

License

Usage and distribution terms

Claude 3.7 Sonnet is licensed under a proprietary license, while DeepSeek-V3 uses MIT + Model License (Commercial use allowed).

License differences may affect how you can use these models in commercial or open-source projects.

Claude 3.7 Sonnet

Proprietary

Closed source

DeepSeek-V3

MIT + Model License (Commercial use allowed)

Open weights

Release Timeline

When each model was launched

Claude 3.7 Sonnet was released on 2025-02-24, while DeepSeek-V3 was released on 2024-12-25.

Claude 3.7 Sonnet is 2 months newer than DeepSeek-V3.

Claude 3.7 Sonnet

Feb 24, 2025

1.1 years ago

2mo newer

DeepSeek-V3

Dec 25, 2024

1.2 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. DeepSeek-V3 is available from DeepSeek. The availability of providers can affect quality of the model and reliability.