DeepSeek-R1 vs Grok-4.20 Beta Reasoning Comparison
Comparing DeepSeek-R1 and Grok-4.20 Beta Reasoning across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-R1 and Grok-4.20 Beta Reasoning 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
For input processing, DeepSeek-R1 ($0.55/1M tokens) is 3.6x cheaper than Grok-4.20 Beta Reasoning ($2.00/1M tokens).
For output processing, DeepSeek-R1 ($2.19/1M tokens) is 2.7x cheaper than Grok-4.20 Beta Reasoning ($6.00/1M tokens).
In conclusion, Grok-4.20 Beta Reasoning is more expensive than DeepSeek-R1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok-4.20 Beta Reasoning accepts 2,000,000 input tokens compared to DeepSeek-R1's 131,072 tokens. DeepSeek-R1 can generate longer responses up to 131,072 tokens, while Grok-4.20 Beta Reasoning is limited to 30,000 tokens.
Input Capabilities
Supported data types and modalities
Grok-4.20 Beta Reasoning supports multimodal inputs, whereas DeepSeek-R1 does not.
Grok-4.20 Beta Reasoning can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-R1
Grok-4.20 Beta Reasoning
License
Usage and distribution terms
DeepSeek-R1 is licensed under MIT, while Grok-4.20 Beta Reasoning uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
DeepSeek-R1 was released on 2025-01-20, while Grok-4.20 Beta Reasoning was released on 2026-03-09.
Grok-4.20 Beta Reasoning is 14 months newer than DeepSeek-R1.
Jan 20, 2025
1.1 years ago
Mar 9, 2026
5 days ago
1.1yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-R1 is available from DeepSeek, DeepInfra, Together, Fireworks. Grok-4.20 Beta Reasoning is available from xAI. The availability of providers can affect quality of the model and reliability.
DeepSeek-R1
Grok-4.20 Beta Reasoning
Outputs Comparison
Key Takeaways
DeepSeek-R1
View detailsDeepSeek
Detailed Comparison
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