Gemini 3.1 Pro vs Grok-4.20 Beta Reasoning Comparison
Comparing Gemini 3.1 Pro and Grok-4.20 Beta Reasoning across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3.1 Pro 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
Cost data unavailable.
Context Window
Maximum input and output token capacity
Only Grok-4.20 Beta Reasoning specifies input context (2,000,000 tokens). Only Grok-4.20 Beta Reasoning specifies output context (30,000 tokens).
Input Capabilities
Supported data types and modalities
Both Gemini 3.1 Pro and Grok-4.20 Beta Reasoning support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3.1 Pro
Grok-4.20 Beta Reasoning
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 3.1 Pro was released on 2026-02-19, while Grok-4.20 Beta Reasoning was released on 2026-03-09.
Grok-4.20 Beta Reasoning is 1 month newer than Gemini 3.1 Pro.
Feb 19, 2026
3 weeks ago
Mar 9, 2026
1 weeks ago
2w newerKnowledge Cutoff
When training data ends
Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while Grok-4.20 Beta Reasoning's cutoff date is not specified.
We can confirm Gemini 3.1 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Grok-4.20 Beta Reasoning's cutoff date.
Jan 2025
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Outputs Comparison
Key Takeaways
Detailed Comparison
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