What is the difference between Gemma 3 12B and OpenAI o3?

Gemma 3 12B is developed by Google AI while OpenAI o3 is developed by OpenAI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Gemma 3 12B or OpenAI o3?

It depends on your use case. Gemma 3 12B and OpenAI o3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Gemma 3 12B cost compared to OpenAI o3?

Gemma 3 12B costs $0.03/M input tokens and OpenAI o3 costs $10/M input tokens. Gemma 3 12B is $9.97/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 Gemma 3 12B and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Gemma 3 12B 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 Gemma 3 12B and OpenAI o3?

Gemma 3 12B is developed by Google AI while OpenAI o3 is developed by OpenAI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Gemma 3 12B or OpenAI o3?

It depends on your use case. Gemma 3 12B and OpenAI o3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Gemma 3 12B cost compared to OpenAI o3?

Gemma 3 12B costs $0.03/M input tokens and OpenAI o3 costs $10/M input tokens. Gemma 3 12B is $9.97/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 Gemma 3 12B and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Gemma 3 12B 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.

Gemma 3 12B vs OpenAI o3: Which Is Better?

Updated Apr 2025

Our Verdict

OpenAI o3

Gemma 3 12BRunner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.

Gemma 3 12B is 1333x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Gemma 3 12B

Input

$0.03

333× cheaper

Output

$0.03

1333× cheaper

OpenAI o3

Input

$10.00

Output

$40.00

Gemma 3 12B is cheaper on both — 333× input, 1333× output

Writing DNA

Style Comparison

Similarity

28%

Gemma 3 12B uses 8.9x more bold

Gemma 3 12B

OpenAI o3

52%Vocabulary68%

17wSentence Length14w

0.66Hedging0.26

6.2Bold0.7

5.4Lists3.0

0.00Emoji0.00

0.06Headings0.38

0.23Transitions0.12

Based on 23 + 16 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Gemma 3 12B vs MiniMax M3New provider

Gemma 3 12B vs Grok 3New provider

Gemma 3 12B vs Llama 4 MaverickNew provider

Updated Apr 2025

Our Verdict

OpenAI o3

Gemma 3 12BRunner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.

Gemma 3 12B is 1333x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Gemma 3 12B

Input

$0.03

333× cheaper

Output

$0.03

1333× cheaper

OpenAI o3

Input

$10.00

Output

$40.00

Gemma 3 12B is cheaper on both — 333× input, 1333× output

Writing DNA

Style Comparison

Similarity

28%

Gemma 3 12B uses 8.9x more bold

Gemma 3 12B

OpenAI o3

52%Vocabulary68%

17wSentence Length14w

0.66Hedging0.26

6.2Bold0.7

5.4Lists3.0

0.00Emoji0.00

0.06Headings0.38

0.23Transitions0.12

Based on 23 + 16 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Gemma 3 12B vs MiniMax M3New provider

Gemma 3 12B vs Grok 3New provider

Gemma 3 12B vs Llama 4 MaverickNew provider