What is the difference between Gemini 3.6 Flash and xAI: Grok 4?

Gemini 3.6 Flash is developed by Google AI while xAI: Grok 4 is developed by xAI. Gemini 3.6 Flash has a 1.0M token context window vs xAI: Grok 4's 256K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.6 Flash or xAI: Grok 4?

It depends on your use case. Gemini 3.6 Flash and xAI: Grok 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Gemini 3.6 Flash cost compared to xAI: Grok 4?

Gemini 3.6 Flash costs $1.5/M input tokens and xAI: Grok 4 costs $3/M input tokens. Gemini 3.6 Flash is $1.50/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 3.6 Flash and xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Gemini 3.6 Flash and xAI: Grok 4 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 3.6 Flash and xAI: Grok 4?

Gemini 3.6 Flash is developed by Google AI while xAI: Grok 4 is developed by xAI. Gemini 3.6 Flash has a 1.0M token context window vs xAI: Grok 4's 256K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.6 Flash or xAI: Grok 4?

It depends on your use case. Gemini 3.6 Flash and xAI: Grok 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Gemini 3.6 Flash cost compared to xAI: Grok 4?

Gemini 3.6 Flash costs $1.5/M input tokens and xAI: Grok 4 costs $3/M input tokens. Gemini 3.6 Flash is $1.50/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 3.6 Flash and xAI: Grok 4 on Rival?

This page shows a side-by-side comparison of Gemini 3.6 Flash and xAI: Grok 4 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.

Gemini 3.6 Flash vs xAI: Grok 4: Which Is Better?

Updated Jul 2026

Our Verdict

Gemini 3.6 Flash

xAI: Grok 4Runner-up

No community votes yet. On paper, Gemini 3.6 Flash has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Gemini 3.6 Flash

Input

$1.50

2.0× cheaper

Output

$7.50

2.0× cheaper

xAI: Grok 4

Input

$3.00

Output

$15.00

Gemini 3.6 Flash is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

34%

xAI: Grok 4 uses 5.4x more hedging

Gemini 3.6 Flash

xAI: Grok 4

60%Vocabulary53%

19wSentence Length18w

0.13Hedging0.67

5.4Bold2.7

2.7Lists2.7

0.04Emoji0.07

0.99Headings0.86

0.07Transitions0.04

Based on 27 + 21 text responses

Research

What we learned reading every model

Gemini 3.6 Flash and xAI: Grok 4 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

xAI: Grok 4 vs MiniMax M3New provider

xAI: Grok 4 vs Meta: Muse Spark 1.1New provider

xAI: Grok 4 vs GPT-5New provider

Updated Jul 2026

Our Verdict

Gemini 3.6 Flash

xAI: Grok 4Runner-up

No community votes yet. On paper, Gemini 3.6 Flash has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Gemini 3.6 Flash

Input

$1.50

2.0× cheaper

Output

$7.50

2.0× cheaper

xAI: Grok 4

Input

$3.00

Output

$15.00

Gemini 3.6 Flash is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

34%

xAI: Grok 4 uses 5.4x more hedging

Gemini 3.6 Flash

xAI: Grok 4

60%Vocabulary53%

19wSentence Length18w

0.13Hedging0.67

5.4Bold2.7

2.7Lists2.7

0.04Emoji0.07

0.99Headings0.86

0.07Transitions0.04

Based on 27 + 21 text responses

Research

What we learned reading every model

Gemini 3.6 Flash and xAI: Grok 4 have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

xAI: Grok 4 vs MiniMax M3New provider

xAI: Grok 4 vs Meta: Muse Spark 1.1New provider

xAI: Grok 4 vs GPT-5New provider