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.

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.

Updated Mar 2026

Gemini 3.1 Flash Lite PreviewvsGrok 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.

Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta compared across 13 shared prompts
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
Released	Mar 2026	Apr 2025
LiveCodeBench	72.0%	80.4%

Our Verdict

Gemini 3.1 Flash Lite Preview

Grok 3 Mini BetaRunner-up

Not enough votes to call it. On the specs, Gemini 3.1 Flash Lite Preview has the edge: newer, bigger context window.

Too close to call

What do Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Gemini 3.1 Flash Lite Preview

Input

$0.25

1.6× cheaper

Output

$1.50

Grok 3 Mini Beta

Input

$0.40

Output

$0.80

1.9× cheaper

Gemini 3.1 Flash Lite Preview wins input (1.6× cheaper)·Grok 3 Mini Beta wins output (1.9× cheaper)

Research

What we learned reading every model

FAQ

Common questions

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Updated Mar 2026

Gemini 3.1 Flash Lite PreviewvsGrok 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.

Gemini 3.1 Flash Lite Preview and Grok 3 Mini Beta compared across 13 shared prompts
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
Released	Mar 2026	Apr 2025
LiveCodeBench	72.0%	80.4%