What is the difference between Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6?

Both are developed by Anthropic but target different use cases. Claude 3.7 Thinking Sonnet has a 200K token context window vs Claude Sonnet 4.6'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 Claude Sonnet 4.6?

It depends on your use case. Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6 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 Claude Sonnet 4.6?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and Claude Sonnet 4.6 costs $3/M input tokens. Claude Sonnet 4.6 is $3.00/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 Claude Sonnet 4.6 on Rival?

This page shows a side-by-side comparison of Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6 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 Claude Sonnet 4.6?

Both are developed by Anthropic but target different use cases. Claude 3.7 Thinking Sonnet has a 200K token context window vs Claude Sonnet 4.6'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 Claude Sonnet 4.6?

It depends on your use case. Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6 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 Claude Sonnet 4.6?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and Claude Sonnet 4.6 costs $3/M input tokens. Claude Sonnet 4.6 is $3.00/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 Claude Sonnet 4.6 on Rival?

This page shows a side-by-side comparison of Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6 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 3.7 Thinking Sonnet vs Claude Sonnet 4.6: Which Is Better?

Updated Feb 2026

Our Verdict

Claude Sonnet 4.6

Claude 3.7 Thinking SonnetRunner-up

No community votes yet. On paper, Claude Sonnet 4.6 has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Claude 3.7 Thinking Sonnet

Input

$6.00

Output

$30.00

Claude Sonnet 4.6

Input

$3.00

2.0× cheaper

Output

$15.00

2.0× cheaper

Claude Sonnet 4.6 is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

65%

Claude Sonnet 4.6 uses 19.1x more emoji

Claude 3.7 Thinking Sonnet

Claude Sonnet 4.6

61%Vocabulary56%

49wSentence Length36w

0.64Hedging0.53

2.2Bold5.1

4.5Lists3.4

0.00Emoji0.19

1.81Headings2.10

0.21Transitions0.02

Based on 21 + 23 text responses

Research

What we learned reading every model

Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6 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

Claude 3.7 Thinking Sonnet vs MiniMax M3New provider

Claude 3.7 Thinking Sonnet vs GPT-5New provider

Claude 3.7 Thinking Sonnet vs Llama 4 MaverickNew provider

Updated Feb 2026

Our Verdict

Claude Sonnet 4.6

Claude 3.7 Thinking SonnetRunner-up

No community votes yet. On paper, Claude Sonnet 4.6 has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Claude 3.7 Thinking Sonnet

Input

$6.00

Output

$30.00

Claude Sonnet 4.6

Input

$3.00

2.0× cheaper

Output

$15.00

2.0× cheaper

Claude Sonnet 4.6 is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

65%

Claude Sonnet 4.6 uses 19.1x more emoji

Claude 3.7 Thinking Sonnet

Claude Sonnet 4.6

61%Vocabulary56%

49wSentence Length36w

0.64Hedging0.53

2.2Bold5.1

4.5Lists3.4

0.00Emoji0.19

1.81Headings2.10

0.21Transitions0.02

Based on 21 + 23 text responses

Research

What we learned reading every model

Claude 3.7 Thinking Sonnet and Claude Sonnet 4.6 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

Claude 3.7 Thinking Sonnet vs MiniMax M3New provider

Claude 3.7 Thinking Sonnet vs GPT-5New provider

Claude 3.7 Thinking Sonnet vs Llama 4 MaverickNew provider