Gemini 3 Pro vs Grok-1.5 Comparison
Comparing Gemini 3 Pro and Grok-1.5 across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 3 Pro outperforms in 1 benchmarks (GPQA), while Grok-1.5 is better at 0 benchmarks.
Gemini 3 Pro significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
Cost data unavailable.
Context Window
Maximum input and output token capacity
Only Gemini 3 Pro specifies input context (1,048,576 tokens). Only Gemini 3 Pro specifies output context (65,536 tokens).
Input Capabilities
Supported data types and modalities
Gemini 3 Pro supports multimodal inputs, whereas Grok-1.5 does not.
Gemini 3 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 3 Pro
Grok-1.5
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 Pro was released on 2025-11-18, while Grok-1.5 was released on 2024-03-28.
Gemini 3 Pro is 20 months newer than Grok-1.5.
Nov 18, 2025
3 months ago
1.6yr newerMar 28, 2024
2.0 years ago
Knowledge Cutoff
When training data ends
Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while Grok-1.5's cutoff date is not specified.
We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without Grok-1.5's cutoff date.
Jan 2025
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Outputs Comparison
Key Takeaways
Gemini 3 Pro
View detailsDetailed Comparison
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