Model Comparison

Claude Sonnet 4.5 vs DeepSeek-V3 0324

Claude Sonnet 4.5 significantly outperforms across most benchmarks. DeepSeek-V3 0324 is 12.1x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Sonnet 4.5 outperforms in 1 benchmarks (GPQA), while DeepSeek-V3 0324 is better at 0 benchmarks.

Claude Sonnet 4.5 significantly outperforms across most benchmarks.

Tue May 05 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3 0324 costs less

For input processing, Claude Sonnet 4.5 ($3.00/1M tokens) is 10.7x more expensive than DeepSeek-V3 0324 ($0.28/1M tokens).

For output processing, Claude Sonnet 4.5 ($15.00/1M tokens) is 13.2x more expensive than DeepSeek-V3 0324 ($1.14/1M tokens).

In conclusion, Claude Sonnet 4.5 is more expensive than DeepSeek-V3 0324.*

* 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 0324
Input tokens$0.28
Output tokens$1.14
Best providerNovita
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 0324's 163,840 tokens. DeepSeek-V3 0324 can generate longer responses up to 163,840 tokens, while Claude Sonnet 4.5 is limited to 64,000 tokens.

Anthropic
Claude Sonnet 4.5
Input200,000 tokens
Output64,000 tokens
DeepSeek
DeepSeek-V3 0324
Input163,840 tokens
Output163,840 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 0324 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 0324

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Sonnet 4.5 is licensed under a proprietary license, while DeepSeek-V3 0324 uses MIT + Model License (Commercial use allowed).

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 0324

MIT + Model License (Commercial use allowed)

Open weights

Release Timeline

When each model was launched

Claude Sonnet 4.5 was released on 2025-09-29, while DeepSeek-V3 0324 was released on 2025-03-25.

Claude Sonnet 4.5 is 6 months newer than DeepSeek-V3 0324.

Claude Sonnet 4.5

Sep 29, 2025

7 months ago

6mo newer
DeepSeek-V3 0324

Mar 25, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

Claude Sonnet 4.5 has a documented knowledge cutoff of 2025-01-31, while DeepSeek-V3 0324'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 0324's cutoff date.

Claude Sonnet 4.5

Jan 2025

DeepSeek-V3 0324

—

Provider Availability

Claude Sonnet 4.5 is available from Anthropic. DeepSeek-V3 0324 is available from Novita.

Claude Sonnet 4.5

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

DeepSeek-V3 0324

novita logo
Novita
Input Price:Input: $0.28/1MOutput Price:Output: $1.14/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher GPQA score (83.4% vs 68.4%)
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 0324

FAQ

Common questions about Claude Sonnet 4.5 vs DeepSeek-V3 0324.

Which is better, Claude Sonnet 4.5 or DeepSeek-V3 0324?

Claude Sonnet 4.5 significantly outperforms across most benchmarks. Claude Sonnet 4.5 is made by Anthropic and DeepSeek-V3 0324 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Sonnet 4.5 compare to DeepSeek-V3 0324 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%. DeepSeek-V3 0324 scores MATH-500: 94.0%, MMLU-Pro: 81.2%, GPQA: 68.4%, AIME 2024: 59.4%, LiveCodeBench: 49.2%.

Is Claude Sonnet 4.5 cheaper than DeepSeek-V3 0324?

DeepSeek-V3 0324 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 0324 costs $0.28/M input and $1.14/M output via novita.

What are the context window sizes for Claude Sonnet 4.5 and DeepSeek-V3 0324?

Claude Sonnet 4.5 supports 200K tokens and DeepSeek-V3 0324 supports 164K 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 0324?

Key differences include context window (200K vs 164K), input pricing ($3.00 vs $0.28/M), multimodal support (yes vs no), licensing (Proprietary vs MIT + Model License (Commercial use allowed)). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Sonnet 4.5 and DeepSeek-V3 0324?

Claude Sonnet 4.5 is developed by Anthropic and DeepSeek-V3 0324 is developed by DeepSeek.