What is the difference between Claude Sonnet 4 and Gemini 3.1 Flash Lite?

Claude Sonnet 4 is developed by Anthropic while Gemini 3.1 Flash Lite is developed by Google AI. Claude Sonnet 4 has a 200K token context window vs Gemini 3.1 Flash Lite's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or Gemini 3.1 Flash Lite?

It depends on your use case. Claude Sonnet 4 and Gemini 3.1 Flash Lite 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 much does Claude Sonnet 4 cost compared to Gemini 3.1 Flash Lite?

Claude Sonnet 4 costs $3/M input tokens and Gemini 3.1 Flash Lite costs $0.25/M input tokens. Gemini 3.1 Flash Lite is $2.75/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 Claude Sonnet 4 and Gemini 3.1 Flash Lite on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and Gemini 3.1 Flash Lite 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 Claude Sonnet 4 and Gemini 3.1 Flash Lite?

Claude Sonnet 4 is developed by Anthropic while Gemini 3.1 Flash Lite is developed by Google AI. Claude Sonnet 4 has a 200K token context window vs Gemini 3.1 Flash Lite's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or Gemini 3.1 Flash Lite?

It depends on your use case. Claude Sonnet 4 and Gemini 3.1 Flash Lite 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 much does Claude Sonnet 4 cost compared to Gemini 3.1 Flash Lite?

Claude Sonnet 4 costs $3/M input tokens and Gemini 3.1 Flash Lite costs $0.25/M input tokens. Gemini 3.1 Flash Lite is $2.75/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 Claude Sonnet 4 and Gemini 3.1 Flash Lite on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and Gemini 3.1 Flash Lite 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.

Claude Sonnet 4 vs Gemini 3.1 Flash Lite: Which Is Better?

Updated May 2026

Our Verdict

Claude Sonnet 4

Gemini 3.1 Flash Lite

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

Gemini 3.1 Flash Lite is 10x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Sonnet 4 and Gemini 3.1 Flash Lite say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

Gemini 3.1 Flash Lite

Input

$0.25

12× cheaper

Output

$1.50

10× cheaper

Gemini 3.1 Flash Lite is cheaper on both — 12× input, 10× output

Writing DNA

Style Comparison

Similarity

45%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4

Gemini 3.1 Flash Lite

62%Vocabulary59%

111wSentence Length17w

0.40Hedging0.29

5.0Bold5.5

9.3Lists3.3

0.88Emoji0.00

2.16Headings0.93

0.33Transitions0.11

Based on 17 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Sonnet 4 vs MiniMax M3New provider

Claude Sonnet 4 vs GPT-5New provider

Claude Sonnet 4 vs Gemini 3.1 Flash Lite PreviewCross-provider

Updated May 2026

Our Verdict

Claude Sonnet 4

Gemini 3.1 Flash Lite

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

Gemini 3.1 Flash Lite is 10x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Sonnet 4 and Gemini 3.1 Flash Lite say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

Gemini 3.1 Flash Lite

Input

$0.25

12× cheaper

Output

$1.50

10× cheaper

Gemini 3.1 Flash Lite is cheaper on both — 12× input, 10× output

Writing DNA

Style Comparison

Similarity

45%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4

Gemini 3.1 Flash Lite

62%Vocabulary59%

111wSentence Length17w

0.40Hedging0.29

5.0Bold5.5

9.3Lists3.3

0.88Emoji0.00

2.16Headings0.93

0.33Transitions0.11

Based on 17 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude Sonnet 4 vs MiniMax M3New provider

Claude Sonnet 4 vs GPT-5New provider

Claude Sonnet 4 vs Gemini 3.1 Flash Lite PreviewCross-provider