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Grok 4 vs Gemini 3.1 Pro

Comprehensive comparison between xAI's Grok 4 and Google's Gemini 3.1 Pro. Compare pricing, performance, features, and user reviews.

grok vs geminigrok 4 vs gemini 3.1xai vs google

Grok 4

xAI

xAI's flagship model with deep X (Twitter) integration. Strong real-time web search capabilities with a humorous and direct style. Ideal for scenarios requiring latest information and social media analysis.

$3/$15per M tokens
Details

Gemini 3.1 Pro

Google

Google's most advanced Pro-tier model with 1M context, dynamic thinking, and the highest ARC-AGI-2 score (77.1%) among all models. Excels at multimodal reasoning across text, images, audio, and video. Best price-to-performance ratio among frontier models.

$2/$12per M tokens
Details

Specs Comparison

SpecificationGrok 4Gemini 3.1 Pro
Context Window128K1000K
Max Output32K66K
Input (per 1M tokens)$3.00$2.00
Output (per 1M tokens)$15.00$12.00
Reasoning
Open Source

Scenario Score Comparison

Coding
75
vs
85
Writing
80
vs
86
Translation
75
vs
—
Data Analysis
72
vs
—
Conversation
85
vs
—
Image Gen
72
vs
—

Grok 4

Pros

  • + Real-time web search
  • + X ecosystem integration
  • + Humorous style
  • + Included in Premium+

Cons

  • − Average coding ability
  • − Smaller ecosystem
  • − X users only

Gemini 3.1 Pro

Pros

  • + Cheapest frontier model ($2/$12)
  • + Highest ARC-AGI-2 score (77.1%)
  • + Native multimodal (text/image/audio/video)
  • + 1M context window
  • + Free tier via AI Studio
  • + Best for frontend/web design

Cons

  • − Weaker at agentic tasks
  • − Context window issues reported
  • − Sometimes skips lines in code edits
  • − CLI/agent harness quality inconsistent

Recommendation

Choose Grok 4 if you:

  • • Need real-time web search
  • • Need x ecosystem integration
  • • Need humorous style

Choose Gemini 3.1 Pro if you:

  • • Need cheapest frontier model ($2/$12)
  • • Need highest arc-agi-2 score (77.1%)
  • • Need native multimodal (text/image/audio/video)

Based on scores across 6 scenarios, Grok 4 performs better overall.

Grok 4 Details Gemini 3.1 Pro Details

Get Started with Grok 4

1Subscribe to X Premium+
2Access Grok in the X app

💡 Grok is exclusive to X Premium+ subscribers.

Get Started with Gemini 3.1 Pro

1Visit gemini.google.com
2Sign in with Google account
3Upgrade to Advanced ($20/mo) for Pro

💡 Gemini Advanced is included in Google One AI Premium.

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