What is the difference between Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta?

Gemini 2.5 Flash Preview 05-20 (thinking) is developed by Google AI while Grok 3 Beta is developed by xAI. Gemini 2.5 Flash Preview 05-20 (thinking) has a 1.0M token context window vs Grok 3 Beta's 131K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Flash Preview 05-20 (thinking) or Grok 3 Beta?

It depends on your use case. Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Flash Preview 05-20 (thinking) cost compared to Grok 3 Beta?

Gemini 2.5 Flash Preview 05-20 (thinking) costs $0.15/M input tokens and Grok 3 Beta costs $2/M input tokens. Gemini 2.5 Flash Preview 05-20 (thinking) is $1.85/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 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 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 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta?

Gemini 2.5 Flash Preview 05-20 (thinking) is developed by Google AI while Grok 3 Beta is developed by xAI. Gemini 2.5 Flash Preview 05-20 (thinking) has a 1.0M token context window vs Grok 3 Beta's 131K. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Flash Preview 05-20 (thinking) or Grok 3 Beta?

It depends on your use case. Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Flash Preview 05-20 (thinking) cost compared to Grok 3 Beta?

Gemini 2.5 Flash Preview 05-20 (thinking) costs $0.15/M input tokens and Grok 3 Beta costs $2/M input tokens. Gemini 2.5 Flash Preview 05-20 (thinking) is $1.85/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 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 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.

Gemini 2.5 Flash Preview 05-20 (thinking) vs Grok 3 Beta: Which Is Better?

Updated May 2025

Our Verdict

Gemini 2.5 Flash Preview 05-20 (thinking)

Grok 3 Beta

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

API pricing

Cost per 1M tokens

Gemini 2.5 Flash Preview 05-20 (thinking)

Input

$0.15

13× cheaper

Output

$3.50

1.1× cheaper

Grok 3 Beta

Input

$2.00

Output

$4.00

Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper on both — 13× input, 1.1× output

Writing DNA

Style Comparison

Similarity

39%

Grok 3 Beta uses 66.5x more hedging

Gemini 2.5 Flash Preview 05-20 (thinking)

Grok 3 Beta

70%Vocabulary48%

11wSentence Length19w

0.00Hedging0.67

4.2Bold3.1

7.3Lists5.5

0.00Emoji0.00

0.00Headings0.52

0.00Transitions0.28

Based on 3 + 23 text responses

Research

What we learned reading every model

Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta 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

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Updated May 2025

Our Verdict

Gemini 2.5 Flash Preview 05-20 (thinking)

Grok 3 Beta

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call

API pricing

Cost per 1M tokens

Gemini 2.5 Flash Preview 05-20 (thinking)

Input

$0.15

13× cheaper

Output

$3.50

1.1× cheaper

Grok 3 Beta

Input

$2.00

Output

$4.00

Gemini 2.5 Flash Preview 05-20 (thinking) is cheaper on both — 13× input, 1.1× output

Writing DNA

Style Comparison

Similarity

39%

Grok 3 Beta uses 66.5x more hedging

Gemini 2.5 Flash Preview 05-20 (thinking)

Grok 3 Beta

70%Vocabulary48%

11wSentence Length19w

0.00Hedging0.67

4.2Bold3.1

7.3Lists5.5

0.00Emoji0.00

0.00Headings0.52

0.00Transitions0.28

Based on 3 + 23 text responses

Research

What we learned reading every model

Gemini 2.5 Flash Preview 05-20 (thinking) and Grok 3 Beta 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

Grok 3 Beta vs MiniMax M3New provider

Grok 3 Beta vs OpenAI o3New provider

Grok 3 Beta vs Llama 4 MaverickNew provider