Gemini 3.1 Ultra vs Grok 4
A detailed side-by-side comparison to help you choose the right tool for your workflow.
| Feature | Gemini 3.1 Ultra Google's 2M-token multimodal model across text, image, audio, and video | Grok 4 xAI's reasoning model with real-time X data and DeepSearch |
|---|---|---|
| Rating | 4.5(1567) | |
| Pricing | Freemium Free via Google AI Studio, Advanced $20/mo, API $2/$12 per 1M tokens | Freemium Free via X, SuperGrok $30/mo, Heavy $300/mo, API $2/$6 per 1M tokens |
| Category | AI Chat & Assistants | AI Chat & Assistants |
| Use Case | Research | Research |
| Has API | ||
| Mobile App | ||
| Open Source | ||
| SSO Support | ||
| Trains on Your Data | ||
| Team Size | — | — |
| Deployment | — | — |
| Time to Value | — | — |
| Best For | — | — |
| Verified |
Gemini 3.1 Ultra vs Grok 4: Which Should You Choose?
Based on community ratings, Gemini 3.1 Ultra (4.5/5 from 1567 reviews) has the edge over Grok 4 (4.3/5 from 1234 reviews). That said, the difference is slim and both tools are well regarded.
Pricing: Both tools are freemium options. Check the pricing tiers above to find the best value for your needs.
Bottom line: Both tools serve the Research use case. Gemini 3.1 Ultra is the safer pick based on community data, but Grok 4 may suit your workflow better.
Is Gemini 3.1 Ultra better than Grok 4?
Gemini 3.1 Ultra has a higher community rating (4.5 vs 4.3) based on 2801 total reviews on AIPowerStacks. However, "better" depends on your specific use case, budget, and team size.
Can I use Gemini 3.1 Ultra and Grok 4 together?
While both tools serve similar purposes, many users run both during a trial period before committing. If budget allows, using both gives you redundancy and lets you pick the right tool for each task.
Which is cheaper, Gemini 3.1 Ultra or Grok 4?
Both tools have similar pricing models. Use our pricing comparison above to see exact tier-by-tier costs.