Gemini 3.1 Flash Lite Preview vs 
Grok 3 Mini Beta
Gemini 3.1 Flash Lite Preview is cheaper than Grok 3 Mini Beta at $0.25/M vs $0.4/M input tokens.
Minimalist Landing Page
Whole landing page for a startup that reads your face. It renders or it doesn't.
Loading the build
Loading the build
Which answer wins?
Favorites
Movie
Album
Book
City
Game
Gemini 3.1 Flash Lite PreviewGemini 3.1 Flash Lite Preview
2001: A Space Odyssey
Selected Ambient Works 85-92
Gödel, Escher, Bach
Tokyo
Tetris (1984)
Grok 3 Mini BetaGrok 3 Mini Beta
The Matrix
The Dark Side of the Moon
I, Robot
San Francisco
The Legend of Zelda: Breath of the Wild
Price and specs
Not enough votes to call it. On the specs, Gemini 3.1 Flash Lite Preview has the edge: newer, bigger context window.
| Spec | Gemini 3.1 Flash Lite Preview | Grok 3 Mini Beta |
|---|---|---|
| Input price | $0.25/M tokens | $0.4/M tokens |
| Output price | $1.5/M tokens | $0.8/M tokens |
| Context window | 1.0M tokens | 131K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Mar 2026 | Apr 2025 |
| LiveCodeBench | 72.0% | 80.4% |
| At 10M a month | $2.50 | $4.00 |
Input tokens at list price. No caching, no batch discount.
Where to run it
Gemini 3.1 Flash Lite Preview1 host
Grok 3 Mini Beta
No hosts listed on OpenRouter.
Per million tokens. Prices and uptime via OpenRouter, checked 10 Oct 2026.
Common questions
What is the difference between Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta?
Gemini 3.1 Flash Lite Preview is developed by Google AI while Grok 3 Mini Beta is developed by xAI. Gemini 3.1 Flash Lite Preview has a 1.0M token context window vs Grok 3 Mini Beta's 131K. You can compare their actual outputs across 13 challenges on Rival to see how they differ in practice.
Which is better, Gemini 3.1 Flash Lite Preview or Grok 3 Mini Beta?
It depends on your use case. Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 13 challenges so you can judge which fits your needs best.
How much does Gemini 3.1 Flash Lite Preview cost compared to Grok 3 Mini Beta?
Gemini 3.1 Flash Lite Preview costs $0.25/M input tokens and Grok 3 Mini Beta costs $0.4/M input tokens. Gemini 3.1 Flash Lite Preview is $0.15/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.
How can I compare Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta on Rival?
This page shows a side-by-side comparison of Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.
More comparisons
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