DeepSeek-R1 vs GPT-4.1 Comparison

Comparing DeepSeek-R1 and GPT-4.1 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

DeepSeek-R1 and GPT-4.1 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-R1 costs less

For input processing, DeepSeek-R1 ($0.55/1M tokens) is 3.6x cheaper than GPT-4.1 ($2.00/1M tokens).

For output processing, DeepSeek-R1 ($2.19/1M tokens) is 3.7x cheaper than GPT-4.1 ($8.00/1M tokens).

In conclusion, GPT-4.1 is more expensive than DeepSeek-R1.*

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

Lowest available price from all providers

Sun Mar 22 2026 • llm-stats.com

DeepSeek-R1

Input tokens$0.55

Output tokens$2.19

Best providerDeepSeek

GPT-4.1

Input tokens$2.00

Output tokens$8.00

Best providerOpenAI

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Context Window

Maximum input and output token capacity

GPT-4.1 accepts 1,047,576 input tokens compared to DeepSeek-R1's 131,072 tokens. DeepSeek-R1 can generate longer responses up to 131,072 tokens, while GPT-4.1 is limited to 32,768 tokens.

DeepSeek-R1

Input131,072 tokens

Output131,072 tokens

GPT-4.1

Input1,047,576 tokens

Output32,768 tokens

Sun Mar 22 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4.1 supports multimodal inputs, whereas DeepSeek-R1 does not.

GPT-4.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-R1

Text

Images

Audio

Video

GPT-4.1

Text

Images

Audio

Video

License

Usage and distribution terms

DeepSeek-R1 is licensed under MIT, while GPT-4.1 uses a proprietary license.

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

DeepSeek-R1

MIT

Open weights

GPT-4.1

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-R1 was released on 2025-01-20, while GPT-4.1 was released on 2025-04-14.

GPT-4.1 is 3 months newer than DeepSeek-R1.

DeepSeek-R1

Jan 20, 2025

1.2 years ago

GPT-4.1

Apr 14, 2025

11 months ago

2mo newer

Knowledge Cutoff

When training data ends

GPT-4.1 has a documented knowledge cutoff of 2024-06-01, while DeepSeek-R1's cutoff date is not specified.

We can confirm GPT-4.1's training data extends to 2024-06-01, but cannot make a direct comparison without DeepSeek-R1's cutoff date.

DeepSeek-R1

—

GPT-4.1

Jun 2024

Provider Availability

DeepSeek-R1 is available from DeepSeek, DeepInfra, Together, Fireworks. GPT-4.1 is available from OpenAI. The availability of providers can affect quality of the model and reliability.