What is the difference between Gemma 4 31B and Mercury 2?

Gemma 4 31B is developed by Google AI while Mercury 2 is developed by Inception. Gemma 4 31B has a 262K token context window vs Mercury 2's 128K. You can compare their actual outputs across 44 challenges on Rival to see how they differ in practice.

Which is better, Gemma 4 31B or Mercury 2?

It depends on your use case. Gemma 4 31B and Mercury 2 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 Gemma 4 31B cost compared to Mercury 2?

Gemma 4 31B costs $0.14/M input tokens and Mercury 2 costs $0.25/M input tokens. Gemma 4 31B is $0.11/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 4 31B and Mercury 2 on Rival?

This page shows a side-by-side comparison of Gemma 4 31B and Mercury 2 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 4 31B and Mercury 2?

Gemma 4 31B is developed by Google AI while Mercury 2 is developed by Inception. Gemma 4 31B has a 262K token context window vs Mercury 2's 128K. You can compare their actual outputs across 44 challenges on Rival to see how they differ in practice.

Which is better, Gemma 4 31B or Mercury 2?

It depends on your use case. Gemma 4 31B and Mercury 2 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 Gemma 4 31B cost compared to Mercury 2?

Gemma 4 31B costs $0.14/M input tokens and Mercury 2 costs $0.25/M input tokens. Gemma 4 31B is $0.11/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 4 31B and Mercury 2 on Rival?

This page shows a side-by-side comparison of Gemma 4 31B and Mercury 2 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 4 31B vs Mercury 2: Which Is Better?

Updated Apr 2026

Our Verdict

Gemma 4 31B

Mercury 2Runner-up

No community votes yet. On paper, Gemma 4 31B has the edge — bigger model tier, bigger context window, major provider backing.

Slight edge

What do Gemma 4 31B and Mercury 2 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Gemma 4 31B

Input

$0.14

1.8× cheaper

Output

$0.40

1.9× cheaper

Mercury 2

Input

$0.25

Output

$0.75

Gemma 4 31B is cheaper on both — 1.8× input, 1.9× output

Writing DNA

Style Comparison

Similarity

46%

Gemma 4 31B uses 2.9x more emoji

Gemma 4 31B

Mercury 2

57%Vocabulary53%

18wSentence Length22w

0.37Hedging0.40

7.1Bold6.6

4.0Lists2.6

0.24Emoji0.08

0.94Headings0.87

0.16Transitions0.14

Based on 23 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mercury 2 vs Ox AlphaNew provider

Mercury 2 vs MiniMax M3New provider

Mercury 2 vs GPT-5New provider

Updated Apr 2026

Our Verdict

Gemma 4 31B

Mercury 2Runner-up

No community votes yet. On paper, Gemma 4 31B has the edge — bigger model tier, bigger context window, major provider backing.

Slight edge

What do Gemma 4 31B and Mercury 2 say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Gemma 4 31B

Input

$0.14

1.8× cheaper

Output

$0.40

1.9× cheaper

Mercury 2

Input

$0.25

Output

$0.75

Gemma 4 31B is cheaper on both — 1.8× input, 1.9× output

Writing DNA

Style Comparison

Similarity

46%

Gemma 4 31B uses 2.9x more emoji

Gemma 4 31B

Mercury 2

57%Vocabulary53%

18wSentence Length22w

0.37Hedging0.40

7.1Bold6.6

4.0Lists2.6

0.24Emoji0.08

0.94Headings0.87

0.16Transitions0.14

Based on 23 + 23 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Mercury 2 vs Ox AlphaNew provider

Mercury 2 vs MiniMax M3New provider

Mercury 2 vs GPT-5New provider