What is the difference between Google: Gemma 4 31B and OpenAI o3?

Google: Gemma 4 31B is developed by Google AI while OpenAI o3 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 o3?

It depends on your use case. Google: Gemma 4 31B and OpenAI o3 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 o3?

Google: Gemma 4 31B costs $0.14/M input tokens and OpenAI o3 costs $10/M input tokens. Google: Gemma 4 31B is $9.86/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 Google: Gemma 4 31B and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Google: Gemma 4 31B and OpenAI o3 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 o3?

Google: Gemma 4 31B is developed by Google AI while OpenAI o3 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 o3?

It depends on your use case. Google: Gemma 4 31B and OpenAI o3 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 o3?

Google: Gemma 4 31B costs $0.14/M input tokens and OpenAI o3 costs $10/M input tokens. Google: Gemma 4 31B is $9.86/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 Google: Gemma 4 31B and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Google: Gemma 4 31B and OpenAI o3 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 o3: Which Is Better?

Updated Apr 2026

Our Verdict

Google: Gemma 4 31B

OpenAI o3

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Google: Gemma 4 31B is 100x 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

71× cheaper

Output

$0.40

100× cheaper

OpenAI o3

Input

$10.00

Output

$40.00

Google: Gemma 4 31B is cheaper on both — 71× input, 100× output

Writing DNA

Style Comparison

Similarity

44%

Google: Gemma 4 31B uses 23.8x more emoji

Google: Gemma 4 31B

OpenAI o3

57%Vocabulary68%

18wSentence Length14w

0.37Hedging0.26

7.1Bold0.7

4.0Lists3.0

0.24Emoji0.00

0.94Headings0.38

0.16Transitions0.12

Based on 23 + 16 text responses

Research

What we learned reading every model

Google: Gemma 4 31B and OpenAI o3 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 o3

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Google: Gemma 4 31B is 100x 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

71× cheaper

Output

$0.40

100× cheaper

OpenAI o3

Input

$10.00

Output

$40.00

Google: Gemma 4 31B is cheaper on both — 71× input, 100× output

Writing DNA

Style Comparison

Similarity

44%

Google: Gemma 4 31B uses 23.8x more emoji

Google: Gemma 4 31B

OpenAI o3

57%Vocabulary68%

18wSentence Length14w

0.37Hedging0.26

7.1Bold0.7

4.0Lists3.0

0.24Emoji0.00

0.94Headings0.38

0.16Transitions0.12

Based on 23 + 16 text responses

Research

What we learned reading every model

Google: Gemma 4 31B and OpenAI o3 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