What is the difference between Claude 3.7 Thinking Sonnet and Gemini 3.1 Flash Lite?

Claude 3.7 Thinking Sonnet is developed by Anthropic while Gemini 3.1 Flash Lite is developed by Google AI. Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet or Gemini 3.1 Flash Lite?

It depends on your use case. Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet cost compared to Gemini 3.1 Flash Lite?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and Gemini 3.1 Flash Lite costs $0.25/M input tokens. Gemini 3.1 Flash Lite is $5.75/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 3.7 Thinking Sonnet and Gemini 3.1 Flash Lite on Rival?

This page shows a side-by-side comparison of Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet and Gemini 3.1 Flash Lite?

Claude 3.7 Thinking Sonnet is developed by Anthropic while Gemini 3.1 Flash Lite is developed by Google AI. Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet or Gemini 3.1 Flash Lite?

It depends on your use case. Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet cost compared to Gemini 3.1 Flash Lite?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and Gemini 3.1 Flash Lite costs $0.25/M input tokens. Gemini 3.1 Flash Lite is $5.75/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 3.7 Thinking Sonnet and Gemini 3.1 Flash Lite on Rival?

This page shows a side-by-side comparison of Claude 3.7 Thinking Sonnet 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.

Updated May 2026

Claude 3.7 Thinking SonnetvsGemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is cheaper than Claude 3.7 Thinking Sonnet at $0.25/M vs $6/M input tokens.

Claude 3.7 Thinking Sonnet and Gemini 3.1 Flash Lite compared across 53 shared prompts
Spec	Claude 3.7 Thinking Sonnet	Gemini 3.1 Flash Lite
Input price	$6/M tokens	$0.25/M tokens
Output price	$30/M tokens	$1.5/M tokens
Context window	200K tokens	1.0M tokens
Released	Feb 2025	May 2026
GPQA Diamond	84.8%	86.9%

Our Verdict

Claude 3.7 Thinking Sonnet

Gemini 3.1 Flash Lite

Not enough votes to call it. On the specs, nothing separates them.

Gemini 3.1 Flash Lite costs 20x less per token.

Too close to call

What do Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet

Input

$6.00

Output

$30.00

Gemini 3.1 Flash Lite

Input

$0.25

24× cheaper

Output

$1.50

20× cheaper

Gemini 3.1 Flash Lite is cheaper on both — 24× input, 20× output

Writing DNA

Style Comparison

Similarity

53%

Claude 3.7 Thinking Sonnet uses 2.8x more sentence length

Claude 3.7 Thinking Sonnet

Gemini 3.1 Flash Lite

61%Vocabulary59%

49wSentence Length17w

0.64Hedging0.29

2.2Bold5.5

4.5Lists3.3

0.00Emoji0.00

1.81Headings0.93

0.21Transitions0.11

Based on 21 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3.7 Thinking Sonnet vs Ox AlphaNew provider

Claude 3.7 Thinking Sonnet vs MiniMax M3New provider

Claude 3.7 Thinking Sonnet vs Gemini 3.1 Flash Lite PreviewCross-provider

Claude 3.7 Thinking Sonnet vs Gemini 3.6 FlashCross-provider

Claude 3.7 Thinking Sonnet vs GPT-4.1 MiniNew provider

Claude 3.7 Thinking Sonnet vs GPT-4.1 NanoNew provider

Claude 3.7 Thinking Sonnet vs GPT-4.5New provider

Claude 3.7 Thinking Sonnet vs GPT-4o (Omni)New provider

Updated May 2026

Claude 3.7 Thinking SonnetvsGemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is cheaper than Claude 3.7 Thinking Sonnet at $0.25/M vs $6/M input tokens.

Claude 3.7 Thinking Sonnet and Gemini 3.1 Flash Lite compared across 53 shared prompts
Spec	Claude 3.7 Thinking Sonnet	Gemini 3.1 Flash Lite
Input price	$6/M tokens	$0.25/M tokens
Output price	$30/M tokens	$1.5/M tokens
Context window	200K tokens	1.0M tokens
Released	Feb 2025	May 2026
GPQA Diamond	84.8%	86.9%

Our Verdict

Claude 3.7 Thinking Sonnet

Gemini 3.1 Flash Lite

Not enough votes to call it. On the specs, nothing separates them.

Gemini 3.1 Flash Lite costs 20x less per token.

Too close to call

What do Claude 3.7 Thinking Sonnet 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 3.7 Thinking Sonnet

Input

$6.00

Output

$30.00

Gemini 3.1 Flash Lite

Input

$0.25

24× cheaper

Output

$1.50

20× cheaper

Gemini 3.1 Flash Lite is cheaper on both — 24× input, 20× output

Writing DNA

Style Comparison

Similarity

53%

Claude 3.7 Thinking Sonnet uses 2.8x more sentence length

Claude 3.7 Thinking Sonnet

Gemini 3.1 Flash Lite

61%Vocabulary59%

49wSentence Length17w

0.64Hedging0.29

2.2Bold5.5

4.5Lists3.3

0.00Emoji0.00

1.81Headings0.93

0.21Transitions0.11

Based on 21 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3.7 Thinking Sonnet vs Ox AlphaNew provider

Claude 3.7 Thinking Sonnet vs MiniMax M3New provider

Claude 3.7 Thinking Sonnet vs Gemini 3.1 Flash Lite PreviewCross-provider

Claude 3.7 Thinking Sonnet vs Gemini 3.6 FlashCross-provider

Claude 3.7 Thinking Sonnet vs GPT-4.1 MiniNew provider

Claude 3.7 Thinking Sonnet vs GPT-4.1 NanoNew provider

Claude 3.7 Thinking Sonnet vs GPT-4.5New provider

Claude 3.7 Thinking Sonnet vs GPT-4o (Omni)New provider