What is the difference between Claude Sonnet 4 and GPT-3.5 Turbo?

Claude Sonnet 4 is developed by Anthropic while GPT-3.5 Turbo is developed by OpenAI. Claude Sonnet 4 has a 200K token context window vs GPT-3.5 Turbo's 16K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or GPT-3.5 Turbo?

It depends on your use case. Claude Sonnet 4 and GPT-3.5 Turbo 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 Sonnet 4 cost compared to GPT-3.5 Turbo?

Claude Sonnet 4 costs $3/M input tokens and GPT-3.5 Turbo costs $1.5/M input tokens. GPT-3.5 Turbo is $1.50/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 Sonnet 4 and GPT-3.5 Turbo on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and GPT-3.5 Turbo 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 Sonnet 4 and GPT-3.5 Turbo?

Claude Sonnet 4 is developed by Anthropic while GPT-3.5 Turbo is developed by OpenAI. Claude Sonnet 4 has a 200K token context window vs GPT-3.5 Turbo's 16K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or GPT-3.5 Turbo?

It depends on your use case. Claude Sonnet 4 and GPT-3.5 Turbo 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 Sonnet 4 cost compared to GPT-3.5 Turbo?

Claude Sonnet 4 costs $3/M input tokens and GPT-3.5 Turbo costs $1.5/M input tokens. GPT-3.5 Turbo is $1.50/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 Sonnet 4 and GPT-3.5 Turbo on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and GPT-3.5 Turbo 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 Sonnet 4 vs GPT-3.5 Turbo: Which Is Better?

Updated May 2025

Our Verdict

Claude Sonnet 4

GPT-3.5 TurboRunner-up

No community votes yet. On paper, Claude Sonnet 4 has the edge — bigger model tier, newer, bigger context window.

GPT-3.5 Turbo is 7.5x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

GPT-3.5 Turbo

Input

$1.50

2.0× cheaper

Output

$2.00

7.5× cheaper

GPT-3.5 Turbo is cheaper on both — 2.0× input, 7.5× output

Writing DNA

Style Comparison

Similarity

46%

Claude Sonnet 4 uses 503.7x more bold

Claude Sonnet 4

GPT-3.5 Turbo

62%Vocabulary61%

111wSentence Length16w

0.40Hedging0.23

5.0Bold0.0

9.3Lists3.7

0.88Emoji0.00

2.16Headings0.00

0.33Transitions0.38

Based on 17 + 11 text responses

Research

What we learned reading every model

Claude Sonnet 4 and GPT-3.5 Turbo 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-3.5 Turbo vs MiniMax M3New provider

GPT-3.5 Turbo vs Claude Opus 4Cross-provider

Claude Sonnet 4 vs GPT-5Cross-provider

Updated May 2025

Our Verdict

Claude Sonnet 4

GPT-3.5 TurboRunner-up

No community votes yet. On paper, Claude Sonnet 4 has the edge — bigger model tier, newer, bigger context window.

GPT-3.5 Turbo is 7.5x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

GPT-3.5 Turbo

Input

$1.50

2.0× cheaper

Output

$2.00

7.5× cheaper

GPT-3.5 Turbo is cheaper on both — 2.0× input, 7.5× output

Writing DNA

Style Comparison

Similarity

46%

Claude Sonnet 4 uses 503.7x more bold

Claude Sonnet 4

GPT-3.5 Turbo

62%Vocabulary61%

111wSentence Length16w

0.40Hedging0.23

5.0Bold0.0

9.3Lists3.7

0.88Emoji0.00

2.16Headings0.00

0.33Transitions0.38

Based on 17 + 11 text responses

Research

What we learned reading every model

Claude Sonnet 4 and GPT-3.5 Turbo 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-3.5 Turbo vs MiniMax M3New provider

GPT-3.5 Turbo vs Claude Opus 4Cross-provider

Claude Sonnet 4 vs GPT-5Cross-provider