Model Comparison

Gemini 3.1 Pro vs Grok Imagine Image Pro

Comparing Gemini 3.1 Pro and Grok Imagine Image Pro across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Gemini 3.1 Pro and Grok Imagine Image Pro 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.

Lowest available price from all providers
Sat Apr 11 2026 • llm-stats.com
Google
Gemini 3.1 Pro
Input tokens$2.50
Output tokens$15.00
Best providerGoogle
xAI
Grok Imagine Image Pro
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3.1 Pro accepts 1,048,576 input tokens compared to Grok Imagine Image Pro's 131,072 tokens. Only Gemini 3.1 Pro specifies output context (65,536 tokens).

Google
Gemini 3.1 Pro
Input1,048,576 tokens
Output65,536 tokens
xAI
Grok Imagine Image Pro
Input131,072 tokens
Output- tokens
Sat Apr 11 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3.1 Pro supports multimodal inputs, whereas Grok Imagine Image Pro does not.

Gemini 3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3.1 Pro

Text
Images
Audio
Video

Grok Imagine Image Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3.1 Pro

Proprietary

Closed source

Grok Imagine Image Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3.1 Pro was released on 2026-02-19, while Grok Imagine Image Pro was released on 2026-02-01.

Gemini 3.1 Pro is 1 month newer than Grok Imagine Image Pro.

Gemini 3.1 Pro

Feb 19, 2026

1 months ago

2w newer
Grok Imagine Image Pro

Feb 1, 2026

2 months ago

Knowledge Cutoff

When training data ends

Gemini 3.1 Pro has a documented knowledge cutoff of 2025-01-31, while Grok Imagine Image Pro'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 Imagine Image Pro's cutoff date.

Gemini 3.1 Pro

Jan 2025

Grok Imagine Image Pro

—

Provider Availability

Gemini 3.1 Pro is available from Google. Grok Imagine Image Pro is available from xAI.

Gemini 3.1 Pro

google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

Grok Imagine Image Pro

xai logo
xAI
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Supports multimodal inputs
xAI

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3.1 Pro
xAI
Grok Imagine Image Pro

FAQ

Common questions about Gemini 3.1 Pro vs Grok Imagine Image Pro

Gemini 3.1 Pro (Google) and Grok Imagine Image Pro (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.
Gemini 3.1 Pro scores t2-bench: 99.3%, LiveCodeBench Pro: 96.2%, GPQA: 94.3%, MMMLU: 92.6%, BrowseComp: 85.9%.
Gemini 3.1 Pro supports 1.0M tokens and Grok Imagine Image Pro supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 131K), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
Gemini 3.1 Pro is developed by Google and Grok Imagine Image Pro is developed by xAI.