Model Comparison

Claude Sonnet 4 vs DeepSeek-V3.2 (Non-thinking)Which is better in 2026?

Comparing Claude Sonnet 4 and DeepSeek-V3.2 (Non-thinking) across benchmarks, pricing, and capabilities.

Verdict: Claude Sonnet 4 vs DeepSeek-V3.2 (Non-thinking) — which is better?

Claude Sonnet 4 (by Anthropic) and DeepSeek-V3.2 (Non-thinking) (by DeepSeek) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

On price, DeepSeek-V3.2 (Non-thinking) is roughly 19.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Sonnet 4 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude Sonnet 4 if…

  • you process long inputs — it offers a 200,000 token context window

Choose DeepSeek-V3.2 (Non-thinking) if…

  • cost matters — it's about 19.0x cheaper per token
  • you want the most recent training data — it shipped Dec 2025
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Claude Sonnet 4 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 ($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 ($15.00/1M tokens) is 35.7x more expensive than DeepSeek-V3.2 (Non-thinking) ($0.42/1M tokens).

In conclusion, Claude Sonnet 4 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 Jun 09 2026 • llm-stats.com
Anthropic
Claude Sonnet 4
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 accepts 200,000 input tokens compared to DeepSeek-V3.2 (Non-thinking)'s 131,072 tokens. Claude Sonnet 4 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
Input200,000 tokens
Output64,000 tokens
DeepSeek
DeepSeek-V3.2 (Non-thinking)
Input131,072 tokens
Output8,192 tokens
Tue Jun 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 4 supports multimodal inputs, whereas DeepSeek-V3.2 (Non-thinking) 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

Text
Images
Audio
Video

DeepSeek-V3.2 (Non-thinking)

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4 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

Proprietary

Closed source

DeepSeek-V3.2 (Non-thinking)

MIT

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4 was released on 2025-05-22, while DeepSeek-V3.2 (Non-thinking) was released on 2025-12-01.

DeepSeek-V3.2 (Non-thinking) is 6 months newer than Claude Sonnet 4.

Claude Sonnet 4

May 22, 2025

1.0 years ago

DeepSeek-V3.2 (Non-thinking)

Dec 1, 2025

6 months ago

6mo newer

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 Sonnet 4 is available from Anthropic, Bedrock, Google. DeepSeek-V3.2 (Non-thinking) is available from DeepSeek.

Claude Sonnet 4

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
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
AnthropicClaude Sonnet 4
DeepSeekDeepSeek-V3.2 (Non-thinking)
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Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 4
DeepSeek
DeepSeek-V3.2 (Non-thinking)

FAQ

Common questions about Claude Sonnet 4 vs DeepSeek-V3.2 (Non-thinking).

Which is better, Claude Sonnet 4 or DeepSeek-V3.2 (Non-thinking)?

Claude Sonnet 4 (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 compare to DeepSeek-V3.2 (Non-thinking) in benchmarks?

Claude Sonnet 4 scores MMMLU: 86.5%, TAU-bench Retail: 80.5%, GPQA: 75.4%, MMMU: 74.4%, SWE-Bench Verified: 72.7%.

Is Claude Sonnet 4 cheaper than DeepSeek-V3.2 (Non-thinking)?

DeepSeek-V3.2 (Non-thinking) is 10.7x cheaper for input tokens. Claude Sonnet 4 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 and DeepSeek-V3.2 (Non-thinking)?

Claude Sonnet 4 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 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 and DeepSeek-V3.2 (Non-thinking)?

Claude Sonnet 4 is developed by Anthropic and DeepSeek-V3.2 (Non-thinking) is developed by DeepSeek.

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