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

Claude Opus 4 is developed by Anthropic while Google: Gemma 4 31B is developed by Google AI. Claude Opus 4 has a 200K token context window vs Google: Gemma 4 31B's 262K. These results are based on blind head-to-head voting across 44 challenges.

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

Based on 2 community votes on Rival, Claude Opus 4 and Google: Gemma 4 31B are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 44 challenges to decide.

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

Claude Opus 4 costs $15/M input tokens and Google: Gemma 4 31B costs $0.14/M input tokens. Google: Gemma 4 31B is $14.86/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.

How are Claude Opus 4 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 and Google: Gemma 4 31B?

Claude Opus 4 is developed by Anthropic while Google: Gemma 4 31B is developed by Google AI. Claude Opus 4 has a 200K token context window vs Google: Gemma 4 31B's 262K. These results are based on blind head-to-head voting across 44 challenges.

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

Based on 2 community votes on Rival, Claude Opus 4 and Google: Gemma 4 31B are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 44 challenges to decide.

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

Claude Opus 4 costs $15/M input tokens and Google: Gemma 4 31B costs $0.14/M input tokens. Google: Gemma 4 31B is $14.86/M cheaper per input. The more expensive model wins 50% of duels, so the premium may be justified by quality.

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

Updated Apr 2026

Our Verdict

Google: Gemma 4 31BWinner

Claude Opus 4Runner-up

Votes are tied. Google: Gemma 4 31B is newer and likely incorporates more recent improvements.

Google: Gemma 4 31B is 188x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Google: Gemma 4 31B

Input

$0.14

107× cheaper

Output

$0.40

188× cheaper

Google: Gemma 4 31B is cheaper on both — 107× input, 188× output

Writing DNA

Style Comparison

Similarity

44%

Claude Opus 4 uses 3.4x more sentence length

Claude Opus 4

Google: Gemma 4 31B

64%Vocabulary57%

62wSentence Length18w

0.52Hedging0.37

4.4Bold7.1

9.1Lists4.0

0.11Emoji0.24

1.87Headings0.94

0.27Transitions0.16

Based on 16 + 23 text responses

Research

What we learned reading every model

Claude Opus 4 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 GPT-5New provider

Google: Gemma 4 31B vs MiniMax M1New provider

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

Updated Apr 2026

Our Verdict

Google: Gemma 4 31BWinner

Claude Opus 4Runner-up

Votes are tied. Google: Gemma 4 31B is newer and likely incorporates more recent improvements.

Google: Gemma 4 31B is 188x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

Output

$75.00

Google: Gemma 4 31B

Input

$0.14

107× cheaper

Output

$0.40

188× cheaper

Google: Gemma 4 31B is cheaper on both — 107× input, 188× output

Writing DNA

Style Comparison

Similarity

44%

Claude Opus 4 uses 3.4x more sentence length

Claude Opus 4

Google: Gemma 4 31B

64%Vocabulary57%

62wSentence Length18w

0.52Hedging0.37

4.4Bold7.1

9.1Lists4.0

0.11Emoji0.24

1.87Headings0.94

0.27Transitions0.16

Based on 16 + 23 text responses

Research

What we learned reading every model

Claude Opus 4 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 GPT-5New provider

Google: Gemma 4 31B vs MiniMax M1New provider

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