What is the difference between Claude Sonnet 4.6 and GPT-5?

Claude Sonnet 4.6 is developed by Anthropic while GPT-5 is developed by OpenAI. Claude Sonnet 4.6 has a 1.0M token context window vs GPT-5's 400K. in 4 community votes on Rival, Claude Sonnet 4.6 wins 67% of head-to-head matchups. These results are based on blind head-to-head voting across 51 challenges.

Which is better, Claude Sonnet 4.6 or GPT-5?

Based on 4 community votes on Rival, Claude Sonnet 4.6 wins 67% of head-to-head matchups against GPT-5.

How much does Claude Sonnet 4.6 cost compared to GPT-5?

Claude Sonnet 4.6 costs $3/M input tokens and GPT-5 costs $1.25/M input tokens. GPT-5 is $1.75/M cheaper per input. The more expensive model wins 67% of duels, so the premium may be justified by quality.

How are Claude Sonnet 4.6 vs GPT-5 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. 4 votes have been collected for this pair across 51 challenges. All vote data is part of Rival's open dataset.

What is the difference between Claude Sonnet 4.6 and GPT-5?

Claude Sonnet 4.6 is developed by Anthropic while GPT-5 is developed by OpenAI. Claude Sonnet 4.6 has a 1.0M token context window vs GPT-5's 400K. in 4 community votes on Rival, Claude Sonnet 4.6 wins 67% of head-to-head matchups. These results are based on blind head-to-head voting across 51 challenges.

Which is better, Claude Sonnet 4.6 or GPT-5?

Based on 4 community votes on Rival, Claude Sonnet 4.6 wins 67% of head-to-head matchups against GPT-5.

How much does Claude Sonnet 4.6 cost compared to GPT-5?

Claude Sonnet 4.6 costs $3/M input tokens and GPT-5 costs $1.25/M input tokens. GPT-5 is $1.75/M cheaper per input. The more expensive model wins 67% of duels, so the premium may be justified by quality.

How are Claude Sonnet 4.6 vs GPT-5 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. 4 votes have been collected for this pair across 51 challenges. All vote data is part of Rival's open dataset.

Claude Sonnet 4.6 vs GPT-5: Which Is Better?

Updated Feb 2026

Our Verdict

Claude Sonnet 4.6Winner

GPT-5Runner-up

Pick Claude Sonnet 4.6. In 4 blind votes, Claude Sonnet 4.6 wins 67% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Claude Sonnet 4.6

Input

$3.00

Output

$15.00

GPT-5

Input

$1.25

2.4× cheaper

Output

$10.00

1.5× cheaper

GPT-5 is cheaper on both — 2.4× input, 1.5× output

Writing DNA

Style Comparison

Similarity

36%

Claude Sonnet 4.6 uses 19.1x more emoji

Claude Sonnet 4.6

GPT-5

56%Vocabulary65%

36wSentence Length13w

0.53Hedging0.20

5.1Bold0.2

3.4Lists4.6

0.19Emoji0.00

2.10Headings0.16

0.02Transitions0.03

Based on 23 + 16 text responses

Research

What we learned reading every model

Claude Sonnet 4.6 and GPT-5 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 Sonnet 4.6 vs MiniMax M3New provider

Claude Sonnet 4.6 vs Llama 4 MaverickNew provider

GPT-5 vs Claude Opus 4Cross-provider

Updated Feb 2026

Our Verdict

Claude Sonnet 4.6Winner

GPT-5Runner-up

Pick Claude Sonnet 4.6. In 4 blind votes, Claude Sonnet 4.6 wins 67% of the time. That's not luck.

Clear winner

API pricing

Cost per 1M tokens

Claude Sonnet 4.6

Input

$3.00

Output

$15.00

GPT-5

Input

$1.25

2.4× cheaper

Output

$10.00

1.5× cheaper

GPT-5 is cheaper on both — 2.4× input, 1.5× output

Writing DNA

Style Comparison

Similarity

36%

Claude Sonnet 4.6 uses 19.1x more emoji

Claude Sonnet 4.6

GPT-5

56%Vocabulary65%

36wSentence Length13w

0.53Hedging0.20

5.1Bold0.2

3.4Lists4.6

0.19Emoji0.00

2.10Headings0.16

0.02Transitions0.03

Based on 23 + 16 text responses

Research

What we learned reading every model

Claude Sonnet 4.6 and GPT-5 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 Sonnet 4.6 vs MiniMax M3New provider

Claude Sonnet 4.6 vs Llama 4 MaverickNew provider

GPT-5 vs Claude Opus 4Cross-provider