Model Comparison

Claude Sonnet 4.5 vs DeepSeek-V3.2 (Non-thinking)

Comparing Claude Sonnet 4.5 and DeepSeek-V3.2 (Non-thinking) across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Sonnet 4.5 and DeepSeek-V3.2 (Non-thinking) don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3.2 (Non-thinking) costs less

For input processing, Claude Sonnet 4.5 ($3.00/1M tokens) is 10.7x more expensive than DeepSeek-V3.2 (Non-thinking) ($0.28/1M tokens).

For output processing, Claude Sonnet 4.5 ($15.00/1M tokens) is 35.7x more expensive than DeepSeek-V3.2 (Non-thinking) ($0.42/1M tokens).

In conclusion, Claude Sonnet 4.5 is more expensive than DeepSeek-V3.2 (Non-thinking).*

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

Lowest available price from all providers
Tue May 05 2026 • llm-stats.com
Anthropic
Claude Sonnet 4.5
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
DeepSeek
DeepSeek-V3.2 (Non-thinking)
Input tokens$0.28
Output tokens$0.42
Best providerDeepSeek
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Sonnet 4.5 accepts 200,000 input tokens compared to DeepSeek-V3.2 (Non-thinking)'s 131,072 tokens. Claude Sonnet 4.5 can generate longer responses up to 64,000 tokens, while DeepSeek-V3.2 (Non-thinking) is limited to 8,192 tokens.

Anthropic
Claude Sonnet 4.5
Input200,000 tokens
Output64,000 tokens
DeepSeek
DeepSeek-V3.2 (Non-thinking)
Input131,072 tokens
Output8,192 tokens
Tue May 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 4.5 supports multimodal inputs, whereas DeepSeek-V3.2 (Non-thinking) does not.

Claude Sonnet 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Sonnet 4.5

Text
Images
Audio
Video

DeepSeek-V3.2 (Non-thinking)

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.5 is licensed under a proprietary license, while DeepSeek-V3.2 (Non-thinking) uses MIT.

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

Claude Sonnet 4.5

Proprietary

Closed source

DeepSeek-V3.2 (Non-thinking)

MIT

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while DeepSeek-V3.2 (Non-thinking) was released on 2025-12-01.

DeepSeek-V3.2 (Non-thinking) is 2 months newer than Claude Sonnet 4.5.

Claude Sonnet 4.5

Sep 29, 2025

7 months ago

DeepSeek-V3.2 (Non-thinking)

Dec 1, 2025

5 months ago

2mo newer

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while DeepSeek-V3.2 (Non-thinking)'s cutoff date is not specified.

We can confirm Claude Sonnet 4.5's training data extends to 2025-01-31, but cannot make a direct comparison without DeepSeek-V3.2 (Non-thinking)'s cutoff date.

Claude Sonnet 4.5

Jan 2025

DeepSeek-V3.2 (Non-thinking)

—

Provider Availability

Claude Sonnet 4.5 is available from Anthropic. DeepSeek-V3.2 (Non-thinking) is available from DeepSeek.

Claude Sonnet 4.5

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

DeepSeek-V3.2 (Non-thinking)

deepseek logo
DeepSeek
Input Price:Input: $0.28/1MOutput Price:Output: $0.42/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
DeepSeek
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4.5
DeepSeek
DeepSeek-V3.2 (Non-thinking)

FAQ

Common questions about Claude Sonnet 4.5 vs DeepSeek-V3.2 (Non-thinking).

Which is better, Claude Sonnet 4.5 or DeepSeek-V3.2 (Non-thinking)?

Claude Sonnet 4.5 (Anthropic) and DeepSeek-V3.2 (Non-thinking) (DeepSeek) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Claude Sonnet 4.5 compare to DeepSeek-V3.2 (Non-thinking) in benchmarks?

Claude Sonnet 4.5 scores MMMLU: 89.1%, AIME 2025: 87.0%, TAU-bench Retail: 86.2%, GPQA: 83.4%, MMMUval: 77.8%.

Is Claude Sonnet 4.5 cheaper than DeepSeek-V3.2 (Non-thinking)?

DeepSeek-V3.2 (Non-thinking) is 10.7x cheaper for input tokens. Claude Sonnet 4.5 costs $3.00/M input and $15.00/M output via anthropic. DeepSeek-V3.2 (Non-thinking) costs $0.28/M input and $0.42/M output via deepseek.

What are the context window sizes for Claude Sonnet 4.5 and DeepSeek-V3.2 (Non-thinking)?

Claude Sonnet 4.5 supports 200K tokens and DeepSeek-V3.2 (Non-thinking) supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Sonnet 4.5 and DeepSeek-V3.2 (Non-thinking)?

Key differences include context window (200K vs 131K), input pricing ($3.00 vs $0.28/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.5 and DeepSeek-V3.2 (Non-thinking)?

Claude Sonnet 4.5 is developed by Anthropic and DeepSeek-V3.2 (Non-thinking) is developed by DeepSeek.