Model Comparison

DeepSeek-R1-0528 vs Grok-4

Grok-4 significantly outperforms across most benchmarks. DeepSeek-R1-0528 is 6.6x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

DeepSeek-R1-0528 outperforms in 0 benchmarks, while Grok-4 is better at 4 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, LiveCodeBench).

Grok-4 significantly outperforms across most benchmarks.

Fri May 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-R1-0528 costs less

For input processing, DeepSeek-R1-0528 ($0.50/1M tokens) is 6.0x cheaper than Grok-4 ($3.00/1M tokens).

For output processing, DeepSeek-R1-0528 ($2.15/1M tokens) is 7.0x cheaper than Grok-4 ($15.00/1M tokens).

In conclusion, Grok-4 is more expensive than DeepSeek-R1-0528.*

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

Lowest available price from all providers
Fri May 15 2026 • llm-stats.com
DeepSeek
DeepSeek-R1-0528
Input tokens$0.50
Output tokens$2.15
Best providerDeepinfra
xAI
Grok-4
Input tokens$3.00
Output tokens$15.00
Best providerxAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok-4 accepts 256,000 input tokens compared to DeepSeek-R1-0528's 131,072 tokens. DeepSeek-R1-0528 can generate longer responses up to 131,072 tokens, while Grok-4 is limited to 8,000 tokens.

DeepSeek
DeepSeek-R1-0528
Input131,072 tokens
Output131,072 tokens
xAI
Grok-4
Input256,000 tokens
Output8,000 tokens
Fri May 15 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-4 supports multimodal inputs, whereas DeepSeek-R1-0528 does not.

Grok-4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-R1-0528

Text
Images
Audio
Video

Grok-4

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-R1-0528 is licensed under MIT, while Grok-4 uses a proprietary license.

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

DeepSeek-R1-0528

MIT

Open weights

Grok-4

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-R1-0528 was released on 2025-05-28, while Grok-4 was released on 2025-07-09.

Grok-4 is 1 month newer than DeepSeek-R1-0528.

DeepSeek-R1-0528

May 28, 2025

11 months ago

Grok-4

Jul 9, 2025

10 months ago

1mo newer

Knowledge Cutoff

When training data ends

Grok-4 has a documented knowledge cutoff of 2024-12-31, while DeepSeek-R1-0528's cutoff date is not specified.

We can confirm Grok-4's training data extends to 2024-12-31, but cannot make a direct comparison without DeepSeek-R1-0528's cutoff date.

DeepSeek-R1-0528

—

Grok-4

Dec 2024

Provider Availability

DeepSeek-R1-0528 is available from DeepInfra, DeepSeek, Novita. Grok-4 is available from xAI.

DeepSeek-R1-0528

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.15/1M
deepseek logo
DeepSeek
Input Price:Input: $0.55/1MOutput Price:Output: $2.19/1M
novita logo
Novita
Input Price:Input: $0.70/1MOutput Price:Output: $2.50/1M

Grok-4

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

DeepSeek
Less expensive input tokens
Less expensive output tokens
Has open weights
xAI
Larger context window (256,000 tokens)
Supports multimodal inputs
Higher AIME 2025 score (91.7% vs 87.5%)
Higher GPQA score (87.5% vs 81.0%)
Higher Humanity's Last Exam score (40.0% vs 17.7%)
Higher LiveCodeBench score (79.0% vs 73.3%)
DeepSeekDeepSeek-R1-0528
xAIGrok-4
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Detailed Comparison

AI Model Comparison Table
Feature
DeepSeek
DeepSeek-R1-0528
xAI
Grok-4

FAQ

Common questions about DeepSeek-R1-0528 vs Grok-4.

Which is better, DeepSeek-R1-0528 or Grok-4?

Grok-4 significantly outperforms across most benchmarks. DeepSeek-R1-0528 is made by DeepSeek and Grok-4 is made by xAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does DeepSeek-R1-0528 compare to Grok-4 in benchmarks?

DeepSeek-R1-0528 scores MMLU-Redux: 93.4%, SimpleQA: 92.3%, AIME 2024: 91.4%, AIME 2025: 87.5%, MMLU-Pro: 85.0%. Grok-4 scores AIME 2025: 91.7%, HMMT25: 90.0%, GPQA: 87.5%, LiveCodeBench: 79.0%, Humanity's Last Exam: 40.0%.

Is DeepSeek-R1-0528 cheaper than Grok-4?

DeepSeek-R1-0528 is 6.0x cheaper for input tokens. DeepSeek-R1-0528 costs $0.50/M input and $2.15/M output via deepinfra. Grok-4 costs $3.00/M input and $15.00/M output via xai.

What are the context window sizes for DeepSeek-R1-0528 and Grok-4?

DeepSeek-R1-0528 supports 131K tokens and Grok-4 supports 256K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-R1-0528 and Grok-4?

Key differences include context window (131K vs 256K), input pricing ($0.50 vs $3.00/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-R1-0528 and Grok-4?

DeepSeek-R1-0528 is developed by DeepSeek and Grok-4 is developed by xAI.