Model Comparison
Claude Sonnet 4 vs DeepSeek-V3.2-Exp
DeepSeek-V3.2-Exp shows notably better performance in the majority of benchmarks. DeepSeek-V3.2-Exp is 19.7x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
Claude Sonnet 4 outperforms in 1 benchmarks (SWE-Bench Verified), while DeepSeek-V3.2-Exp is better at 3 benchmarks (AIME 2025, GPQA, Terminal-Bench).
DeepSeek-V3.2-Exp shows notably better performance in the majority of benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Sonnet 4 ($3.00/1M tokens) is 11.1x more expensive than DeepSeek-V3.2-Exp ($0.27/1M tokens).
For output processing, Claude Sonnet 4 ($15.00/1M tokens) is 36.6x more expensive than DeepSeek-V3.2-Exp ($0.41/1M tokens).
In conclusion, Claude Sonnet 4 is more expensive than DeepSeek-V3.2-Exp.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Sonnet 4 accepts 200,000 input tokens compared to DeepSeek-V3.2-Exp's 163,840 tokens. DeepSeek-V3.2-Exp can generate longer responses up to 65,536 tokens, while Claude Sonnet 4 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Sonnet 4 supports multimodal inputs, whereas DeepSeek-V3.2-Exp does not.
Claude Sonnet 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Sonnet 4
DeepSeek-V3.2-Exp
License
Usage and distribution terms
Claude Sonnet 4 is licensed under a proprietary license, while DeepSeek-V3.2-Exp uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Claude Sonnet 4 was released on 2025-05-22, while DeepSeek-V3.2-Exp was released on 2025-09-29.
DeepSeek-V3.2-Exp is 4 months newer than Claude Sonnet 4.
May 22, 2025
11 months ago
Sep 29, 2025
7 months ago
4mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Sonnet 4 is available from Anthropic, Bedrock, Google. DeepSeek-V3.2-Exp is available from Novita.
Claude Sonnet 4
DeepSeek-V3.2-Exp
Outputs Comparison
Key Takeaways
Claude Sonnet 4
View detailsAnthropic
DeepSeek-V3.2-Exp
View detailsDeepSeek
Detailed Comparison
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FAQ
Common questions about Claude Sonnet 4 vs DeepSeek-V3.2-Exp.