What is the difference between Gemma 3 27B and OpenAI o3?

Gemma 3 27B 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 27B or OpenAI o3?

It depends on your use case. Gemma 3 27B 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 27B cost compared to OpenAI o3?

Gemma 3 27B costs $0.09/M input tokens and OpenAI o3 costs $10/M input tokens. Gemma 3 27B is $9.91/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 27B and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Gemma 3 27B 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 27B and OpenAI o3?

Gemma 3 27B 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 27B or OpenAI o3?

It depends on your use case. Gemma 3 27B 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 27B cost compared to OpenAI o3?

Gemma 3 27B costs $0.09/M input tokens and OpenAI o3 costs $10/M input tokens. Gemma 3 27B is $9.91/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 27B and OpenAI o3 on Rival?

This page shows a side-by-side comparison of Gemma 3 27B 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 27B vs OpenAI o3: Which Is Better?

Updated Apr 2025

Our Verdict

Gemma 3 27B

OpenAI o3

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

Gemma 3 27B is 235x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Gemma 3 27B

Input

$0.09

111× cheaper

Output

$0.17

235× cheaper

OpenAI o3

Input

$10.00

Output

$40.00

Gemma 3 27B is cheaper on both — 111× input, 235× output

Writing DNA

Style Comparison

Similarity

30%

Gemma 3 27B uses 7.9x more bold

Gemma 3 27B

OpenAI o3

53%Vocabulary68%

14wSentence Length14w

0.45Hedging0.26

5.5Bold0.7

4.4Lists3.0

0.00Emoji0.00

0.20Headings0.38

0.13Transitions0.12

Based on 21 + 16 text responses

Research

What we learned reading every model

Gemma 3 27B 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

Gemma 3 27B vs MiniMax M3New provider

Gemma 3 27B vs Grok 3New provider

Gemma 3 27B vs Llama 4 MaverickNew provider

Updated Apr 2025

Our Verdict

Gemma 3 27B

OpenAI o3

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

Gemma 3 27B is 235x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Gemma 3 27B

Input

$0.09

111× cheaper

Output

$0.17

235× cheaper

OpenAI o3

Input

$10.00

Output

$40.00

Gemma 3 27B is cheaper on both — 111× input, 235× output

Writing DNA

Style Comparison

Similarity

30%

Gemma 3 27B uses 7.9x more bold

Gemma 3 27B

OpenAI o3

53%Vocabulary68%

14wSentence Length14w

0.45Hedging0.26

5.5Bold0.7

4.4Lists3.0

0.00Emoji0.00

0.20Headings0.38

0.13Transitions0.12

Based on 21 + 16 text responses

Research

What we learned reading every model

Gemma 3 27B 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

Gemma 3 27B vs MiniMax M3New provider

Gemma 3 27B vs Grok 3New provider

Gemma 3 27B vs Llama 4 MaverickNew provider