What is the difference between Gemini 3 Pro Preview and Gemini 3.1 Pro Preview?

Both are developed by Google AI but target different use cases. in 3 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 50 challenges.

Which is better, Gemini 3 Pro Preview or Gemini 3.1 Pro Preview?

Based on 3 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups against Gemini 3 Pro Preview.

How are Gemini 3 Pro Preview vs Gemini 3.1 Pro Preview 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. 3 votes have been collected for this pair across 50 challenges. All vote data is part of Rival's open dataset.

What is the difference between Gemini 3 Pro Preview and Gemini 3.1 Pro Preview?

Both are developed by Google AI but target different use cases. in 3 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 50 challenges.

Which is better, Gemini 3 Pro Preview or Gemini 3.1 Pro Preview?

Based on 3 community votes on Rival, Gemini 3.1 Pro Preview wins 100% of head-to-head matchups against Gemini 3 Pro Preview.

How are Gemini 3 Pro Preview vs Gemini 3.1 Pro Preview 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. 3 votes have been collected for this pair across 50 challenges. All vote data is part of Rival's open dataset.

Gemini 3 Pro Preview vs Gemini 3.1 Pro Preview: Which Is Better?

Updated Feb 2026

Our Verdict

Gemini 3.1 Pro PreviewWinner

Gemini 3 Pro PreviewRunner-up

Pick Gemini 3.1 Pro Preview. In 3 blind votes, Gemini 3.1 Pro Preview wins 100% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Gemini 3 Pro Preview

Input

—

Output

—

Gemini 3.1 Pro Preview

Input

$2.00

Output

$12.00

Writing DNA

Style Comparison

Similarity

71%

Gemini 3 Pro Preview uses 1.8x more transitions

Gemini 3 Pro Preview

Gemini 3.1 Pro Preview

58%Vocabulary54%

17wSentence Length18w

0.37Hedging0.29

7.7Bold4.9

4.8Lists3.3

0.00Emoji0.00

0.90Headings0.72

0.25Transitions0.14

Based on 23 + 23 text responses

Research

What we learned reading every model

Gemini 3 Pro Preview and Gemini 3.1 Pro Preview 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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Gemini 3 Pro Preview vs GPT-5New provider

Gemini 3 Pro Preview vs Llama 4 MaverickNew provider

Updated Feb 2026

Our Verdict

Gemini 3.1 Pro PreviewWinner

Gemini 3 Pro PreviewRunner-up

Pick Gemini 3.1 Pro Preview. In 3 blind votes, Gemini 3.1 Pro Preview wins 100% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Gemini 3 Pro Preview

Input

—

Output

—

Gemini 3.1 Pro Preview

Input

$2.00

Output

$12.00

Writing DNA

Style Comparison

Similarity

71%

Gemini 3 Pro Preview uses 1.8x more transitions

Gemini 3 Pro Preview

Gemini 3.1 Pro Preview

58%Vocabulary54%

17wSentence Length18w

0.37Hedging0.29

7.7Bold4.9

4.8Lists3.3

0.00Emoji0.00

0.90Headings0.72

0.25Transitions0.14

Based on 23 + 23 text responses

Research

What we learned reading every model

Gemini 3 Pro Preview and Gemini 3.1 Pro Preview 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

Gemini 3 Pro Preview vs MiniMax M3New provider

Gemini 3 Pro Preview vs GPT-5New provider

Gemini 3 Pro Preview vs Llama 4 MaverickNew provider