What is the difference between Claude Opus 4.5 and Google: Gemma 4 31B?

Claude Opus 4.5 is developed by Anthropic while Google: Gemma 4 31B is developed by Google AI. in 2 community votes on Rival, Google: Gemma 4 31B wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 44 challenges.

Which is better, Claude Opus 4.5 or Google: Gemma 4 31B?

Based on 2 community votes on Rival, Google: Gemma 4 31B wins 100% of head-to-head matchups against Claude Opus 4.5.

How are Claude Opus 4.5 vs Google: Gemma 4 31B votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 2 votes have been collected for this pair across 44 challenges. All vote data is part of Rival's open dataset.

What is the difference between Claude Opus 4.5 and Google: Gemma 4 31B?

Claude Opus 4.5 is developed by Anthropic while Google: Gemma 4 31B is developed by Google AI. in 2 community votes on Rival, Google: Gemma 4 31B wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 44 challenges.

Which is better, Claude Opus 4.5 or Google: Gemma 4 31B?

Based on 2 community votes on Rival, Google: Gemma 4 31B wins 100% of head-to-head matchups against Claude Opus 4.5.

How are Claude Opus 4.5 vs Google: Gemma 4 31B votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 2 votes have been collected for this pair across 44 challenges. All vote data is part of Rival's open dataset.

Claude Opus 4.5 vs Google: Gemma 4 31B: Which Is Better?

Updated Apr 2026

Our Verdict

Google: Gemma 4 31BWinner

Claude Opus 4.5Runner-up

Pick Google: Gemma 4 31B. In 2 blind votes, Google: Gemma 4 31B wins 100% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Claude Opus 4.5

Input

—

Output

—

Google: Gemma 4 31B

Input

$0.14

Output

$0.40

Writing DNA

Style Comparison

Similarity

34%

Google: Gemma 4 31B uses 3.1x more transitions

Claude Opus 4.5

Google: Gemma 4 31B

64%Vocabulary57%

55wSentence Length18w

0.86Hedging0.37

5.8Bold7.1

4.5Lists4.0

0.15Emoji0.24

1.59Headings0.94

0.05Transitions0.16

Based on 24 + 23 text responses

Research

What we learned reading every model

Claude Opus 4.5 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 4.5 vs GPT-5New provider

Claude Opus 4.5 vs Grok 3New provider

Updated Apr 2026

Our Verdict

Google: Gemma 4 31BWinner

Claude Opus 4.5Runner-up

Pick Google: Gemma 4 31B. In 2 blind votes, Google: Gemma 4 31B wins 100% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Claude Opus 4.5

Input

—

Output

—

Google: Gemma 4 31B

Input

$0.14

Output

$0.40

Writing DNA

Style Comparison

Similarity

34%

Google: Gemma 4 31B uses 3.1x more transitions

Claude Opus 4.5

Google: Gemma 4 31B

64%Vocabulary57%

55wSentence Length18w

0.86Hedging0.37

5.8Bold7.1

4.5Lists4.0

0.15Emoji0.24

1.59Headings0.94

0.05Transitions0.16

Based on 24 + 23 text responses

Research

What we learned reading every model

Claude Opus 4.5 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 4.5 vs GPT-5New provider

Claude Opus 4.5 vs Grok 3New provider