What is the difference between Google: Gemma 4 31B and OpenAI o4-mini?

Google: Gemma 4 31B is developed by Google AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 44 challenges on Rival to see how they differ in practice.

Which is better, Google: Gemma 4 31B or OpenAI o4-mini?

It depends on your use case. Google: Gemma 4 31B and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 44 challenges so you can judge which fits your needs best.

How much does Google: Gemma 4 31B cost compared to OpenAI o4-mini?

Google: Gemma 4 31B costs $0.14/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. Google: Gemma 4 31B is $0.96/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 Google: Gemma 4 31B and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Google: Gemma 4 31B and OpenAI o4-mini 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 Google: Gemma 4 31B and OpenAI o4-mini?

Google: Gemma 4 31B is developed by Google AI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 44 challenges on Rival to see how they differ in practice.

Which is better, Google: Gemma 4 31B or OpenAI o4-mini?

It depends on your use case. Google: Gemma 4 31B and OpenAI o4-mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 44 challenges so you can judge which fits your needs best.

How much does Google: Gemma 4 31B cost compared to OpenAI o4-mini?

Google: Gemma 4 31B costs $0.14/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. Google: Gemma 4 31B is $0.96/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 Google: Gemma 4 31B and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Google: Gemma 4 31B and OpenAI o4-mini 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.

Google: Gemma 4 31B vs OpenAI o4-mini: Which Is Better?

Updated Apr 2026

Our Verdict

Google: Gemma 4 31B

OpenAI o4-miniRunner-up

No community votes yet. On paper, Google: Gemma 4 31B has the edge — bigger model tier, newer, bigger context window.

Google: Gemma 4 31B is 11x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Google: Gemma 4 31B

Input

$0.14

7.9× cheaper

Output

$0.40

11× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

Google: Gemma 4 31B is cheaper on both — 7.9× input, 11× output

Writing DNA

Style Comparison

Similarity

41%

Google: Gemma 4 31B uses 707.4x more bold

Google: Gemma 4 31B

OpenAI o4-mini

57%Vocabulary73%

18wSentence Length15w

0.37Hedging0.18

7.1Bold0.0

4.0Lists2.1

0.24Emoji0.00

0.94Headings0.00

0.16Transitions0.02

Based on 23 + 10 text responses

Research

What we learned reading every model

Google: Gemma 4 31B and OpenAI o4-mini 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

Google: Gemma 4 31B vs Grok 3New provider

Google: Gemma 4 31B vs Llama 4 MaverickNew provider

Updated Apr 2026

Our Verdict

Google: Gemma 4 31B

OpenAI o4-miniRunner-up

No community votes yet. On paper, Google: Gemma 4 31B has the edge — bigger model tier, newer, bigger context window.

Google: Gemma 4 31B is 11x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Google: Gemma 4 31B

Input

$0.14

7.9× cheaper

Output

$0.40

11× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

Google: Gemma 4 31B is cheaper on both — 7.9× input, 11× output

Writing DNA

Style Comparison

Similarity

41%

Google: Gemma 4 31B uses 707.4x more bold

Google: Gemma 4 31B

OpenAI o4-mini

57%Vocabulary73%

18wSentence Length15w

0.37Hedging0.18

7.1Bold0.0

4.0Lists2.1

0.24Emoji0.00

0.94Headings0.00

0.16Transitions0.02

Based on 23 + 10 text responses

Research

What we learned reading every model

Google: Gemma 4 31B and OpenAI o4-mini 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

Google: Gemma 4 31B vs Grok 3New provider

Google: Gemma 4 31B vs Llama 4 MaverickNew provider