What is the difference between Claude 3 Opus and Gemini 2.5 Pro Preview 06-05?

Claude 3 Opus is developed by Anthropic while Gemini 2.5 Pro Preview 06-05 is developed by Google AI. Claude 3 Opus has a 200K token context window vs Gemini 2.5 Pro Preview 06-05's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or Gemini 2.5 Pro Preview 06-05?

It depends on your use case. Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to Gemini 2.5 Pro Preview 06-05?

Claude 3 Opus costs $15/M input tokens and Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens. Gemini 2.5 Pro Preview 06-05 is $13.75/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 Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 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 Claude 3 Opus and Gemini 2.5 Pro Preview 06-05?

Claude 3 Opus is developed by Anthropic while Gemini 2.5 Pro Preview 06-05 is developed by Google AI. Claude 3 Opus has a 200K token context window vs Gemini 2.5 Pro Preview 06-05's 1.0M. You can compare their actual outputs across 10 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or Gemini 2.5 Pro Preview 06-05?

It depends on your use case. Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 10 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to Gemini 2.5 Pro Preview 06-05?

Claude 3 Opus costs $15/M input tokens and Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens. Gemini 2.5 Pro Preview 06-05 is $13.75/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 Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 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.

Claude 3 Opus vs Gemini 2.5 Pro Preview 06-05: Which Is Better?

Updated Jun 2025

Our Verdict

Gemini 2.5 Pro Preview 06-05

Claude 3 OpusRunner-up

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

Gemini 2.5 Pro Preview 06-05 is 7.5x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Opus

Input

$15.00

Output

$75.00

Gemini 2.5 Pro Preview 06-05

Input

$1.25

12× cheaper

Output

$10.00

7.5× cheaper

Gemini 2.5 Pro Preview 06-05 is cheaper on both — 12× input, 7.5× output

Writing DNA

Style Comparison

Similarity

51%

Gemini 2.5 Pro Preview 06-05 uses 482.5x more bold

Claude 3 Opus

Gemini 2.5 Pro Preview 06-05

54%Vocabulary51%

14wSentence Length15w

0.48Hedging0.31

0.0Bold4.8

3.0Lists4.1

0.00Emoji0.00

0.00Headings0.98

0.06Transitions0.05

Based on 3 + 20 text responses

Research

What we learned reading every model

Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 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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Claude 3 Opus vs MiniMax M3New provider

Claude 3 Opus vs Llama 4 MaverickNew provider

Updated Jun 2025

Our Verdict

Gemini 2.5 Pro Preview 06-05

Claude 3 OpusRunner-up

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

Gemini 2.5 Pro Preview 06-05 is 7.5x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Opus

Input

$15.00

Output

$75.00

Gemini 2.5 Pro Preview 06-05

Input

$1.25

12× cheaper

Output

$10.00

7.5× cheaper

Gemini 2.5 Pro Preview 06-05 is cheaper on both — 12× input, 7.5× output

Writing DNA

Style Comparison

Similarity

51%

Gemini 2.5 Pro Preview 06-05 uses 482.5x more bold

Claude 3 Opus

Gemini 2.5 Pro Preview 06-05

54%Vocabulary51%

14wSentence Length15w

0.48Hedging0.31

0.0Bold4.8

3.0Lists4.1

0.00Emoji0.00

0.00Headings0.98

0.06Transitions0.05

Based on 3 + 20 text responses

Research

What we learned reading every model

Claude 3 Opus and Gemini 2.5 Pro Preview 06-05 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

Claude 3 Opus vs GPT-5New provider

Claude 3 Opus vs MiniMax M3New provider

Claude 3 Opus vs Llama 4 MaverickNew provider