What is the difference between Claude Opus 5 and Google: Gemma 4 31B?

Claude Opus 5 is developed by Anthropic while Google: Gemma 4 31B is developed by Google AI. Claude Opus 5 has a 1.0M token context window vs Google: Gemma 4 31B's 262K. You can compare their actual outputs across 45 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or Google: Gemma 4 31B?

It depends on your use case. Claude Opus 5 and Google: Gemma 4 31B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 45 challenges so you can judge which fits your needs best.

How much does Claude Opus 5 cost compared to Google: Gemma 4 31B?

Claude Opus 5 costs $5/M input tokens and Google: Gemma 4 31B costs $0.14/M input tokens. Google: Gemma 4 31B is $4.86/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 Opus 5 and Google: Gemma 4 31B on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and Google: Gemma 4 31B 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 Opus 5 and Google: Gemma 4 31B?

Claude Opus 5 is developed by Anthropic while Google: Gemma 4 31B is developed by Google AI. Claude Opus 5 has a 1.0M token context window vs Google: Gemma 4 31B's 262K. You can compare their actual outputs across 45 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 5 or Google: Gemma 4 31B?

It depends on your use case. Claude Opus 5 and Google: Gemma 4 31B each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 45 challenges so you can judge which fits your needs best.

How much does Claude Opus 5 cost compared to Google: Gemma 4 31B?

Claude Opus 5 costs $5/M input tokens and Google: Gemma 4 31B costs $0.14/M input tokens. Google: Gemma 4 31B is $4.86/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 Opus 5 and Google: Gemma 4 31B on Rival?

This page shows a side-by-side comparison of Claude Opus 5 and Google: Gemma 4 31B 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 Opus 5 vs Google: Gemma 4 31B: Which Is Better?

Updated Jul 2026

Our Verdict

Claude Opus 5

Google: Gemma 4 31BRunner-up

No community votes yet. On paper, Claude Opus 5 has the edge — newer, bigger context window.

Google: Gemma 4 31B is 63x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

Google: Gemma 4 31B

Input

$0.14

36× cheaper

Output

$0.40

63× cheaper

Google: Gemma 4 31B is cheaper on both — 36× input, 63× output

Writing DNA

Style Comparison

Similarity

43%

Google: Gemma 4 31B uses 13.9x more emoji

Claude Opus 5

Google: Gemma 4 31B

54%Vocabulary57%

21wSentence Length18w

0.40Hedging0.37

3.9Bold7.1

1.9Lists4.0

0.02Emoji0.24

0.71Headings0.94

0.05Transitions0.16

Based on 27 + 23 text responses

Research

What we learned reading every model

Claude Opus 5 and Google: Gemma 4 31B 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

Google: Gemma 4 31B vs MiniMax M3New provider

Claude Opus 5 vs GPT-5New provider

Google: Gemma 4 31B vs Claude Opus 4Cross-provider

Updated Jul 2026

Our Verdict

Claude Opus 5

Google: Gemma 4 31BRunner-up

No community votes yet. On paper, Claude Opus 5 has the edge — newer, bigger context window.

Google: Gemma 4 31B is 63x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 5

Input

$5.00

Output

$25.00

Google: Gemma 4 31B

Input

$0.14

36× cheaper

Output

$0.40

63× cheaper

Google: Gemma 4 31B is cheaper on both — 36× input, 63× output

Writing DNA

Style Comparison

Similarity

43%

Google: Gemma 4 31B uses 13.9x more emoji

Claude Opus 5

Google: Gemma 4 31B

54%Vocabulary57%

21wSentence Length18w

0.40Hedging0.37

3.9Bold7.1

1.9Lists4.0

0.02Emoji0.24

0.71Headings0.94

0.05Transitions0.16

Based on 27 + 23 text responses

Research

What we learned reading every model

Claude Opus 5 and Google: Gemma 4 31B 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

Google: Gemma 4 31B vs MiniMax M3New provider

Claude Opus 5 vs GPT-5New provider

Google: Gemma 4 31B vs Claude Opus 4Cross-provider