What is the difference between Gemma 3 27B and GPT-5.1 Codex Max?

Gemma 3 27B is developed by Google AI while GPT-5.1 Codex Max is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Gemma 3 27B or GPT-5.1 Codex Max?

It depends on your use case. Gemma 3 27B and GPT-5.1 Codex Max each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How can I compare Gemma 3 27B and GPT-5.1 Codex Max on Rival?

This page shows a side-by-side comparison of Gemma 3 27B and GPT-5.1 Codex Max 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 GPT-5.1 Codex Max?

Gemma 3 27B is developed by Google AI while GPT-5.1 Codex Max is developed by OpenAI. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Gemma 3 27B or GPT-5.1 Codex Max?

It depends on your use case. Gemma 3 27B and GPT-5.1 Codex Max each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How can I compare Gemma 3 27B and GPT-5.1 Codex Max on Rival?

This page shows a side-by-side comparison of Gemma 3 27B and GPT-5.1 Codex Max 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 GPT-5.1 Codex Max: Which Is Better?

Updated Dec 2025

Our Verdict

Gemma 3 27B

GPT-5.1 Codex Max

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

Too close to call

API pricing

Cost per 1M tokens

Gemma 3 27B

Input

$0.09

Output

$0.17

GPT-5.1 Codex Max

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

48%

Gemma 3 27B uses 5.2x more transitions

Gemma 3 27B

GPT-5.1 Codex Max

53%Vocabulary60%

14wSentence Length16w

0.45Hedging0.36

5.5Bold2.3

4.4Lists4.2

0.00Emoji0.00

0.20Headings0.12

0.13Transitions0.03

Based on 21 + 13 text responses

Research

What we learned reading every model

Gemma 3 27B and GPT-5.1 Codex Max 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 Dec 2025

Our Verdict

Gemma 3 27B

GPT-5.1 Codex Max

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

Too close to call

API pricing

Cost per 1M tokens

Gemma 3 27B

Input

$0.09

Output

$0.17

GPT-5.1 Codex Max

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

48%

Gemma 3 27B uses 5.2x more transitions

Gemma 3 27B

GPT-5.1 Codex Max

53%Vocabulary60%

14wSentence Length16w

0.45Hedging0.36

5.5Bold2.3

4.4Lists4.2

0.00Emoji0.00

0.20Headings0.12

0.13Transitions0.03

Based on 21 + 13 text responses

Research

What we learned reading every model

Gemma 3 27B and GPT-5.1 Codex Max 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