What is the difference between Claude Sonnet 4 and GPT-4.1?

Claude Sonnet 4 is developed by Anthropic while GPT-4.1 is developed by OpenAI. Claude Sonnet 4 has a 200K token context window vs GPT-4.1's 1.0M. in 5 community votes on Rival, GPT-4.1 wins 75% of head-to-head matchups. These results are based on blind head-to-head voting across 54 challenges.

Which is better, Claude Sonnet 4 or GPT-4.1?

Based on 5 community votes on Rival, GPT-4.1 wins 75% of head-to-head matchups against Claude Sonnet 4. GPT-4.1 is strongest in Web Design.

How much does Claude Sonnet 4 cost compared to GPT-4.1?

Claude Sonnet 4 costs $3/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $1.00/M cheaper per input. GPT-4.1 also wins more often in community votes, making it the better value.

How are Claude Sonnet 4 vs GPT-4.1 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. 5 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 Sonnet 4 and GPT-4.1?

Claude Sonnet 4 is developed by Anthropic while GPT-4.1 is developed by OpenAI. Claude Sonnet 4 has a 200K token context window vs GPT-4.1's 1.0M. in 5 community votes on Rival, GPT-4.1 wins 75% of head-to-head matchups. These results are based on blind head-to-head voting across 54 challenges.

Which is better, Claude Sonnet 4 or GPT-4.1?

Based on 5 community votes on Rival, GPT-4.1 wins 75% of head-to-head matchups against Claude Sonnet 4. GPT-4.1 is strongest in Web Design.

How much does Claude Sonnet 4 cost compared to GPT-4.1?

Claude Sonnet 4 costs $3/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $1.00/M cheaper per input. GPT-4.1 also wins more often in community votes, making it the better value.

How are Claude Sonnet 4 vs GPT-4.1 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. 5 votes have been collected for this pair across 54 challenges. All vote data is part of Rival's open dataset.

Claude Sonnet 4 vs GPT-4.1: Which Is Better?

Updated May 2025

Our Verdict

GPT-4.1Winner

Claude Sonnet 4Runner-up

Pick GPT-4.1. In 5 blind votes, GPT-4.1 wins 75% of the time. That's not luck.

GPT-4.1 particularly excels in Web Design.

Clear winner

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

GPT-4.1

Input

$2.00

1.5× cheaper

Output

$8.00

1.9× cheaper

GPT-4.1 is cheaper on both — 1.5× input, 1.9× output

Writing DNA

Style Comparison

Similarity

46%

Claude Sonnet 4 uses 6.0x more sentence length

Claude Sonnet 4

GPT-4.1

62%Vocabulary58%

111wSentence Length19w

0.40Hedging0.38

5.0Bold9.0

9.3Lists6.1

0.88Emoji0.24

2.16Headings1.01

0.33Transitions0.07

Based on 17 + 25 text responses

Research

What we learned reading every model

Claude Sonnet 4 and GPT-4.1 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

GPT-4.1 vs MiniMax M3New provider

GPT-4.1 vs Claude Opus 4Cross-provider

Claude Sonnet 4 vs GPT-5Cross-provider

Updated May 2025

Our Verdict

GPT-4.1Winner

Claude Sonnet 4Runner-up

Pick GPT-4.1. In 5 blind votes, GPT-4.1 wins 75% of the time. That's not luck.

GPT-4.1 particularly excels in Web Design.

Clear winner

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

GPT-4.1

Input

$2.00

1.5× cheaper

Output

$8.00

1.9× cheaper

GPT-4.1 is cheaper on both — 1.5× input, 1.9× output

Writing DNA

Style Comparison

Similarity

46%

Claude Sonnet 4 uses 6.0x more sentence length

Claude Sonnet 4

GPT-4.1

62%Vocabulary58%

111wSentence Length19w

0.40Hedging0.38

5.0Bold9.0

9.3Lists6.1

0.88Emoji0.24

2.16Headings1.01

0.33Transitions0.07

Based on 17 + 25 text responses

Research

What we learned reading every model

Claude Sonnet 4 and GPT-4.1 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

GPT-4.1 vs MiniMax M3New provider

GPT-4.1 vs Claude Opus 4Cross-provider

Claude Sonnet 4 vs GPT-5Cross-provider