What is the difference between Gemini 3.7 Flash and Grok 4.5?

Gemini 3.7 Flash is developed by Google AI while Grok 4.5 is developed by xAI. Gemini 3.7 Flash has a 1.0M token context window vs Grok 4.5's 500K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.7 Flash or Grok 4.5?

It depends on your use case. Gemini 3.7 Flash and Grok 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Gemini 3.7 Flash cost compared to Grok 4.5?

Gemini 3.7 Flash costs $0.375/M input tokens and Grok 4.5 costs $2/M input tokens. Gemini 3.7 Flash is $1.63/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 3.7 Flash and Grok 4.5 on Rival?

This page shows a side-by-side comparison of Gemini 3.7 Flash and Grok 4.5 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 3.7 Flash and Grok 4.5?

Gemini 3.7 Flash is developed by Google AI while Grok 4.5 is developed by xAI. Gemini 3.7 Flash has a 1.0M token context window vs Grok 4.5's 500K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Gemini 3.7 Flash or Grok 4.5?

It depends on your use case. Gemini 3.7 Flash and Grok 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Gemini 3.7 Flash cost compared to Grok 4.5?

Gemini 3.7 Flash costs $0.375/M input tokens and Grok 4.5 costs $2/M input tokens. Gemini 3.7 Flash is $1.63/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 3.7 Flash and Grok 4.5 on Rival?

This page shows a side-by-side comparison of Gemini 3.7 Flash and Grok 4.5 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 3.7 Flash vs Grok 4.5: Which Is Better?

Updated Aug 2026

Our Verdict

Gemini 3.7 Flash

Grok 4.5Runner-up

No community votes yet. On paper, Gemini 3.7 Flash has the edge — newer, bigger context window.

Gemini 3.7 Flash is 3.2x cheaper per token — worth considering if cost matters.

Too close to call

What do Gemini 3.7 Flash and Grok 4.5 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 3.7 Flash

Input

$0.38

5.3× cheaper

Output

$1.88

3.2× cheaper

Grok 4.5

Input

$2.00

Output

$6.00

Gemini 3.7 Flash is cheaper on both — 5.3× input, 3.2× output

Writing DNA

Style Comparison

Similarity

54%

Grok 4.5 uses 9.0x more emoji

Gemini 3.7 Flash

Grok 4.5

66%Vocabulary61%

21wSentence Length16w

0.29Hedging0.23

4.7Bold2.5

2.8Lists2.4

0.00Emoji0.09

1.03Headings0.48

0.12Transitions0.06

Based on 27 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 4.5 vs MiniMax M3New provider

Grok 4.5 vs Gemini 3.6 FlashCross-provider

Grok 4.5 vs Muse Spark 1.1New provider

Updated Aug 2026

Our Verdict

Gemini 3.7 Flash

Grok 4.5Runner-up

No community votes yet. On paper, Gemini 3.7 Flash has the edge — newer, bigger context window.

Gemini 3.7 Flash is 3.2x cheaper per token — worth considering if cost matters.

Too close to call

What do Gemini 3.7 Flash and Grok 4.5 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 3.7 Flash

Input

$0.38

5.3× cheaper

Output

$1.88

3.2× cheaper

Grok 4.5

Input

$2.00

Output

$6.00

Gemini 3.7 Flash is cheaper on both — 5.3× input, 3.2× output

Writing DNA

Style Comparison

Similarity

54%

Grok 4.5 uses 9.0x more emoji

Gemini 3.7 Flash

Grok 4.5

66%Vocabulary61%

21wSentence Length16w

0.29Hedging0.23

4.7Bold2.5

2.8Lists2.4

0.00Emoji0.09

1.03Headings0.48

0.12Transitions0.06

Based on 27 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 4.5 vs MiniMax M3New provider

Grok 4.5 vs Gemini 3.6 FlashCross-provider

Grok 4.5 vs Muse Spark 1.1New provider