What is the difference between Gemini 3.1 Pro Preview and Google: Gemma 4 31B?

Both are developed by Google AI but target different use cases. Gemini 3.1 Pro Preview has a 1.0M token context window vs Google: Gemma 4 31B's 262K. in 10 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 44 challenges.

Which is better, Gemini 3.1 Pro Preview or Google: Gemma 4 31B?

Based on 10 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups against Google: Gemma 4 31B. Gemini 3.1 Pro Preview is strongest in Web Design, Image Generation.

How much does Gemini 3.1 Pro Preview cost compared to Google: Gemma 4 31B?

Gemini 3.1 Pro Preview costs $2/M input tokens and Google: Gemma 4 31B costs $0.14/M input tokens. Google: Gemma 4 31B is $1.86/M cheaper per input. The more expensive model wins 100% of duels, so the premium may be justified by quality.

How are Gemini 3.1 Pro Preview 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. 10 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 Gemini 3.1 Pro Preview and Google: Gemma 4 31B?

Both are developed by Google AI but target different use cases. Gemini 3.1 Pro Preview has a 1.0M token context window vs Google: Gemma 4 31B's 262K. in 10 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 44 challenges.

Which is better, Gemini 3.1 Pro Preview or Google: Gemma 4 31B?

Based on 10 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups against Google: Gemma 4 31B. Gemini 3.1 Pro Preview is strongest in Web Design, Image Generation.

How much does Gemini 3.1 Pro Preview cost compared to Google: Gemma 4 31B?

Gemini 3.1 Pro Preview costs $2/M input tokens and Google: Gemma 4 31B costs $0.14/M input tokens. Google: Gemma 4 31B is $1.86/M cheaper per input. The more expensive model wins 100% of duels, so the premium may be justified by quality.

How are Gemini 3.1 Pro Preview 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. 10 votes have been collected for this pair across 44 challenges. All vote data is part of Rival's open dataset.

Gemini 3.1 Pro Preview vs Google: Gemma 4 31B: Which Is Better?

Updated Apr 2026

Our Verdict

Gemini 3.1 Pro PreviewWinner

Google: Gemma 4 31BRunner-up

Pick Gemini 3.1 Pro Preview. In 10 blind votes, Gemini 3.1 Pro Preview wins 100% of the time. That's not luck.

Gemini 3.1 Pro Preview particularly excels in Web Design, Image Generation. Google: Gemma 4 31B is 30x cheaper per token — worth considering if cost matters.

Clear winner

API pricing

Cost per 1M tokens

Gemini 3.1 Pro Preview

Input

$2.00

Output

$12.00

Google: Gemma 4 31B

Input

$0.14

14× cheaper

Output

$0.40

30× cheaper

Google: Gemma 4 31B is cheaper on both — 14× input, 30× output

Writing DNA

Style Comparison

Similarity

71%

Google: Gemma 4 31B uses 23.8x more emoji

Gemini 3.1 Pro Preview

Google: Gemma 4 31B

54%Vocabulary57%

18wSentence Length18w

0.29Hedging0.37

4.9Bold7.1

3.3Lists4.0

0.00Emoji0.24

0.72Headings0.94

0.14Transitions0.16

Based on 23 + 23 text responses

Research

What we learned reading every model

Gemini 3.1 Pro Preview 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 M3New provider

Google: Gemma 4 31B vs Gemini 3.6 FlashSame lab

Updated Apr 2026

Our Verdict

Gemini 3.1 Pro PreviewWinner

Google: Gemma 4 31BRunner-up

Pick Gemini 3.1 Pro Preview. In 10 blind votes, Gemini 3.1 Pro Preview wins 100% of the time. That's not luck.

Gemini 3.1 Pro Preview particularly excels in Web Design, Image Generation. Google: Gemma 4 31B is 30x cheaper per token — worth considering if cost matters.

Clear winner

API pricing

Cost per 1M tokens

Gemini 3.1 Pro Preview

Input

$2.00

Output

$12.00

Google: Gemma 4 31B

Input

$0.14

14× cheaper

Output

$0.40

30× cheaper

Google: Gemma 4 31B is cheaper on both — 14× input, 30× output

Writing DNA

Style Comparison

Similarity

71%

Google: Gemma 4 31B uses 23.8x more emoji

Gemini 3.1 Pro Preview

Google: Gemma 4 31B

54%Vocabulary57%

18wSentence Length18w

0.29Hedging0.37

4.9Bold7.1

3.3Lists4.0

0.00Emoji0.24

0.72Headings0.94

0.14Transitions0.16

Based on 23 + 23 text responses

Research

What we learned reading every model

Gemini 3.1 Pro Preview 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 M3New provider

Google: Gemma 4 31B vs Gemini 3.6 FlashSame lab