What is the difference between Claude 3.7 Sonnet and Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude 3.7 Sonnet has a 200K token context window vs Claude Sonnet 4's 200K. These results are based on blind head-to-head voting across 54 challenges.

Which is better, Claude 3.7 Sonnet or Claude Sonnet 4?

Based on 45 community votes on Rival, Claude 3.7 Sonnet and Claude Sonnet 4 are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 54 challenges to decide.

How much does Claude 3.7 Sonnet cost compared to Claude Sonnet 4?

Claude 3.7 Sonnet costs $3/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude Sonnet 4 is $0.00/M cheaper per input. Claude Sonnet 4 also wins more often in community votes, making it the better value.

How are Claude 3.7 Sonnet vs Claude Sonnet 4 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. 45 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

What is the difference between Claude 3.7 Sonnet and Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude 3.7 Sonnet has a 200K token context window vs Claude Sonnet 4's 200K. These results are based on blind head-to-head voting across 54 challenges.

Which is better, Claude 3.7 Sonnet or Claude Sonnet 4?

Based on 45 community votes on Rival, Claude 3.7 Sonnet and Claude Sonnet 4 are closely matched with similar win rates. The better choice depends on your specific use case. Compare their real outputs side-by-side across 54 challenges to decide.

How much does Claude 3.7 Sonnet cost compared to Claude Sonnet 4?

Claude 3.7 Sonnet costs $3/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude Sonnet 4 is $0.00/M cheaper per input. Claude Sonnet 4 also wins more often in community votes, making it the better value.

How are Claude 3.7 Sonnet vs Claude Sonnet 4 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. 45 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

Updated May 2025

Claude 3.7 SonnetvsClaude Sonnet 4

Claude 3.7 Sonnet and Claude Sonnet 4 are dead even across 45 blind community votes on Rival.

Claude 3.7 Sonnet and Claude Sonnet 4 compared across 54 shared prompts
Spec	Claude 3.7 Sonnet	Claude Sonnet 4
Win rate	49%	51%
Input price	$3/M tokens	$3/M tokens
Output price	$15/M tokens	$15/M tokens
Context window	200K tokens	200K tokens
Released	Feb 2025	May 2025
SWE-bench Verified	70.3%	72.7%

Our Verdict

Claude Sonnet 4Winner

Claude 3.7 SonnetRunner-up

Votes are split, but Claude Sonnet 4 wins more categories. Slight edge to Claude Sonnet 4.

Pick Claude 3.7 Sonnet for Web Design. Pick Claude Sonnet 4 for Analysis, Image Generation, Reasoning.

Too close to call

What do Claude 3.7 Sonnet and Claude Sonnet 4 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 Sonnet

Input

$3.00

Output

$15.00

Claude Sonnet 4

Input

$3.00

Output

$15.00

Writing DNA

Style Comparison

Similarity

67%

Claude Sonnet 4 uses 87.9x more emoji

Claude 3.7 Sonnet

Claude Sonnet 4

62%Vocabulary62%

35wSentence Length111w

0.99Hedging0.40

1.2Bold5.0

4.3Lists9.3

0.00Emoji0.88

1.78Headings2.16

0.23Transitions0.33

Based on 13 + 17 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3.7 Sonnet vs Ox AlphaNew provider

Claude 3.7 Sonnet vs MiniMax M3New provider

Claude 3.7 Sonnet vs GPT-5New provider

Claude 3.7 Sonnet vs MiniMax M1New provider

Claude 3.7 Sonnet vs MiMo-V2-ProNew provider

Claude 3.7 Sonnet vs MiMo-V2.5New provider

Claude 3.7 Sonnet vs MiMo-V2.5-ProNew provider

Claude 3.7 Sonnet vs MiniMax M2New provider

Updated May 2025

Claude 3.7 SonnetvsClaude Sonnet 4

Claude 3.7 Sonnet and Claude Sonnet 4 are dead even across 45 blind community votes on Rival.

Claude 3.7 Sonnet and Claude Sonnet 4 compared across 54 shared prompts
Spec	Claude 3.7 Sonnet	Claude Sonnet 4
Win rate	49%	51%
Input price	$3/M tokens	$3/M tokens
Output price	$15/M tokens	$15/M tokens
Context window	200K tokens	200K tokens
Released	Feb 2025	May 2025
SWE-bench Verified	70.3%	72.7%

Our Verdict

Claude Sonnet 4Winner

Claude 3.7 SonnetRunner-up

Votes are split, but Claude Sonnet 4 wins more categories. Slight edge to Claude Sonnet 4.

Pick Claude 3.7 Sonnet for Web Design. Pick Claude Sonnet 4 for Analysis, Image Generation, Reasoning.

Too close to call

What do Claude 3.7 Sonnet and Claude Sonnet 4 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 Sonnet

Input

$3.00

Output

$15.00

Claude Sonnet 4

Input

$3.00

Output

$15.00

Writing DNA

Style Comparison

Similarity

67%

Claude Sonnet 4 uses 87.9x more emoji

Claude 3.7 Sonnet

Claude Sonnet 4

62%Vocabulary62%

35wSentence Length111w

0.99Hedging0.40

1.2Bold5.0

4.3Lists9.3

0.00Emoji0.88

1.78Headings2.16

0.23Transitions0.33

Based on 13 + 17 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Claude 3.7 Sonnet vs Ox AlphaNew provider

Claude 3.7 Sonnet vs MiniMax M3New provider

Claude 3.7 Sonnet vs GPT-5New provider

Claude 3.7 Sonnet vs MiniMax M1New provider

Claude 3.7 Sonnet vs MiMo-V2-ProNew provider

Claude 3.7 Sonnet vs MiMo-V2.5New provider

Claude 3.7 Sonnet vs MiMo-V2.5-ProNew provider

Claude 3.7 Sonnet vs MiniMax M2New provider