What is the difference between Gemini 2.5 Pro Preview 06-05 and xAI: Grok 4.5?

Gemini 2.5 Pro Preview 06-05 is developed by Google AI while xAI: Grok 4.5 is developed by xAI. Gemini 2.5 Pro Preview 06-05 has a 1.0M token context window vs xAI: Grok 4.5's 500K. You can compare their actual outputs across 44 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Pro Preview 06-05 or xAI: Grok 4.5?

It depends on your use case. Gemini 2.5 Pro Preview 06-05 and xAI: Grok 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 44 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Pro Preview 06-05 cost compared to xAI: Grok 4.5?

Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens and xAI: Grok 4.5 costs $2/M input tokens. Gemini 2.5 Pro Preview 06-05 is $0.75/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 Pro Preview 06-05 and xAI: Grok 4.5 on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Pro Preview 06-05 and xAI: 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 2.5 Pro Preview 06-05 and xAI: Grok 4.5?

Gemini 2.5 Pro Preview 06-05 is developed by Google AI while xAI: Grok 4.5 is developed by xAI. Gemini 2.5 Pro Preview 06-05 has a 1.0M token context window vs xAI: Grok 4.5's 500K. You can compare their actual outputs across 44 challenges on Rival to see how they differ in practice.

Which is better, Gemini 2.5 Pro Preview 06-05 or xAI: Grok 4.5?

It depends on your use case. Gemini 2.5 Pro Preview 06-05 and xAI: Grok 4.5 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 44 challenges so you can judge which fits your needs best.

How much does Gemini 2.5 Pro Preview 06-05 cost compared to xAI: Grok 4.5?

Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens and xAI: Grok 4.5 costs $2/M input tokens. Gemini 2.5 Pro Preview 06-05 is $0.75/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 Pro Preview 06-05 and xAI: Grok 4.5 on Rival?

This page shows a side-by-side comparison of Gemini 2.5 Pro Preview 06-05 and xAI: 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 2.5 Pro Preview 06-05 vs xAI: Grok 4.5: Which Is Better?

Updated Jul 2026

Our Verdict

Gemini 2.5 Pro Preview 06-05

xAI: Grok 4.5Runner-up

No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Gemini 2.5 Pro Preview 06-05

Input

$1.25

1.6× cheaper

Output

$10.00

xAI: Grok 4.5

Input

$2.00

Output

$6.00

1.7× cheaper

Gemini 2.5 Pro Preview 06-05 wins input (1.6× cheaper)·xAI: Grok 4.5 wins output (1.7× cheaper)

Writing DNA

Style Comparison

Similarity

39%

xAI: Grok 4.5 uses 9.0x more emoji

Gemini 2.5 Pro Preview 06-05

xAI: Grok 4.5

51%Vocabulary61%

15wSentence Length16w

0.31Hedging0.23

4.8Bold2.5

4.1Lists2.4

0.00Emoji0.09

0.98Headings0.48

0.05Transitions0.06

Based on 20 + 27 text responses

Research

What we learned reading every model

Gemini 2.5 Pro Preview 06-05 and xAI: Grok 4.5 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 4.5 vs MiniMax M3New provider

xAI: Grok 4.5 vs OpenAI o3New provider

xAI: Grok 4.5 vs Claude Opus 4New provider

Updated Jul 2026

Our Verdict

Gemini 2.5 Pro Preview 06-05

xAI: Grok 4.5Runner-up

No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Gemini 2.5 Pro Preview 06-05

Input

$1.25

1.6× cheaper

Output

$10.00

xAI: Grok 4.5

Input

$2.00

Output

$6.00

1.7× cheaper

Gemini 2.5 Pro Preview 06-05 wins input (1.6× cheaper)·xAI: Grok 4.5 wins output (1.7× cheaper)

Writing DNA

Style Comparison

Similarity

39%

xAI: Grok 4.5 uses 9.0x more emoji

Gemini 2.5 Pro Preview 06-05

xAI: Grok 4.5

51%Vocabulary61%

15wSentence Length16w

0.31Hedging0.23

4.8Bold2.5

4.1Lists2.4

0.00Emoji0.09

0.98Headings0.48

0.05Transitions0.06

Based on 20 + 27 text responses

Research

What we learned reading every model

Gemini 2.5 Pro Preview 06-05 and xAI: Grok 4.5 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 4.5 vs MiniMax M3New provider

xAI: Grok 4.5 vs OpenAI o3New provider

xAI: Grok 4.5 vs Claude Opus 4New provider