What is the difference between Google: Gemma 4 31B and GPT OSS 120B?

Google: Gemma 4 31B is developed by Google AI while GPT OSS 120B is developed by OpenAI. Google: Gemma 4 31B has a 262K token context window vs GPT OSS 120B's 131K. in 12 community votes on Rival, Google: Gemma 4 31B wins 70% of head-to-head matchups. These results are based on blind head-to-head voting across 44 challenges.

Which is better, Google: Gemma 4 31B or GPT OSS 120B?

Based on 12 community votes on Rival, Google: Gemma 4 31B wins 70% of head-to-head matchups against GPT OSS 120B. Google: Gemma 4 31B is strongest in Web Design, Image Generation.

How much does Google: Gemma 4 31B cost compared to GPT OSS 120B?

Google: Gemma 4 31B costs $0.14/M input tokens and GPT OSS 120B costs $0.18/M input tokens. Google: Gemma 4 31B is $0.04/M cheaper per input. Google: Gemma 4 31B also wins more often in community votes, making it the better value.

How are Google: Gemma 4 31B vs GPT OSS 120B votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 12 votes have been collected for this pair across 44 challenges. All vote data is part of Rival's open dataset.

What is the difference between Google: Gemma 4 31B and GPT OSS 120B?

Google: Gemma 4 31B is developed by Google AI while GPT OSS 120B is developed by OpenAI. Google: Gemma 4 31B has a 262K token context window vs GPT OSS 120B's 131K. in 12 community votes on Rival, Google: Gemma 4 31B wins 70% of head-to-head matchups. These results are based on blind head-to-head voting across 44 challenges.

Which is better, Google: Gemma 4 31B or GPT OSS 120B?

Based on 12 community votes on Rival, Google: Gemma 4 31B wins 70% of head-to-head matchups against GPT OSS 120B. Google: Gemma 4 31B is strongest in Web Design, Image Generation.

How much does Google: Gemma 4 31B cost compared to GPT OSS 120B?

Google: Gemma 4 31B costs $0.14/M input tokens and GPT OSS 120B costs $0.18/M input tokens. Google: Gemma 4 31B is $0.04/M cheaper per input. Google: Gemma 4 31B also wins more often in community votes, making it the better value.

How are Google: Gemma 4 31B vs GPT OSS 120B votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 12 votes have been collected for this pair across 44 challenges. All vote data is part of Rival's open dataset.

Google: Gemma 4 31B vs GPT OSS 120B: Which Is Better?

Updated Apr 2026

Our Verdict

Google: Gemma 4 31BWinner

GPT OSS 120BRunner-up

Pick Google: Gemma 4 31B. In 12 blind votes, Google: Gemma 4 31B wins 70% of the time. That's not luck.

Google: Gemma 4 31B particularly excels in Image Generation, Web Design.

Clear winner

API pricing

Cost per 1M tokens

Google: Gemma 4 31B

Input

$0.14

1.3× cheaper

Output

$0.40

2.0× cheaper

GPT OSS 120B

Input

$0.18

Output

$0.80

Google: Gemma 4 31B is cheaper on both — 1.3× input, 2.0× output

Writing DNA

Style Comparison

Similarity

50%

Google: Gemma 4 31B uses 2.2x more lists

Google: Gemma 4 31B

GPT OSS 120B

57%Vocabulary52%

18wSentence Length19w

0.37Hedging0.28

7.1Bold7.4

4.0Lists1.8

0.24Emoji0.15

0.94Headings0.73

0.16Transitions0.17

Based on 23 + 21 text responses

Research

What we learned reading every model

Google: Gemma 4 31B and GPT OSS 120B 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

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Updated Apr 2026

Our Verdict

Google: Gemma 4 31BWinner

GPT OSS 120BRunner-up

Pick Google: Gemma 4 31B. In 12 blind votes, Google: Gemma 4 31B wins 70% of the time. That's not luck.

Google: Gemma 4 31B particularly excels in Image Generation, Web Design.

Clear winner

API pricing

Cost per 1M tokens

Google: Gemma 4 31B

Input

$0.14

1.3× cheaper

Output

$0.40

2.0× cheaper

GPT OSS 120B

Input

$0.18

Output

$0.80

Google: Gemma 4 31B is cheaper on both — 1.3× input, 2.0× output

Writing DNA

Style Comparison

Similarity

50%

Google: Gemma 4 31B uses 2.2x more lists

Google: Gemma 4 31B

GPT OSS 120B

57%Vocabulary52%

18wSentence Length19w

0.37Hedging0.28

7.1Bold7.4

4.0Lists1.8

0.24Emoji0.15

0.94Headings0.73

0.16Transitions0.17

Based on 23 + 21 text responses

Research

What we learned reading every model

Google: Gemma 4 31B and GPT OSS 120B 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

GPT OSS 120B vs MiniMax M3New provider

GPT OSS 120B vs Grok 3New provider

GPT OSS 120B vs Llama 4 MaverickNew provider