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Claude Sonnet 4 vs DeepSeek-V3.1
Comprehensive side-by-side LLM comparison
DeepSeek-V3.1 leads with 17.1% higher average benchmark score. Claude Sonnet 4 offers 320 more tokens in context window than DeepSeek-V3.1. DeepSeek-V3.1 is $16.73 cheaper per million tokens. Claude Sonnet 4 supports multimodal inputs. Claude Sonnet 4 is available on 4 providers. Overall, DeepSeek-V3.1 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 69.4% across 8 benchmarks. It excels particularly in MMMLU (86.5%), TAU-bench Retail (80.5%), GPQA (75.4%). It supports a 328K token context window for handling large documents. The model is available through 4 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
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DeepSeek
DeepSeek-V3.1 is a language model developed by DeepSeek. The model shows competitive results across 16 benchmarks. It excels particularly in SimpleQA (93.4%), MMLU-Redux (91.8%), MMLU-Pro (83.7%). It supports a 328K token context window for handling large documents. The model is available through 2 API providers. It's licensed for commercial use, making it suitable for enterprise applications. Released in 2025, it represents DeepSeek's latest advancement in AI technology.
4 months newer
DeepSeek-V3.1
DeepSeek
2025-01-10
Claude Sonnet 4
Anthropic
2025-05-22
Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4
Input:$3.00
Output:$15.00
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DeepSeek-V3.1
Input:$0.27
Output:$1.00($16.73 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 19 common benchmarks
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Claude Sonnet 4
Average Score:29.2%
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DeepSeek-V3.1
Average Score:46.3%(+17.1%)
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4
4 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
Bedrock
Throughput: 101 tok/s
Latency: 0.5ms
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4
Avg Score:29.2%
Providers:4
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DeepSeek-V3.1
Avg Score:46.3%(+17.1%)
Providers:2