What is the difference between Claude Opus 4.1 and GPT-3.5 Turbo?

Claude Opus 4.1 is developed by Anthropic while GPT-3.5 Turbo is developed by OpenAI. Claude Opus 4.1 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 Opus 4.1 or GPT-3.5 Turbo?

It depends on your use case. Claude Opus 4.1 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 Opus 4.1 cost compared to GPT-3.5 Turbo?

Claude Opus 4.1 costs $15/M input tokens and GPT-3.5 Turbo costs $1.5/M input tokens. GPT-3.5 Turbo is $13.50/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 Opus 4.1 and GPT-3.5 Turbo on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 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 Opus 4.1 and GPT-3.5 Turbo?

Claude Opus 4.1 is developed by Anthropic while GPT-3.5 Turbo is developed by OpenAI. Claude Opus 4.1 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 Opus 4.1 or GPT-3.5 Turbo?

It depends on your use case. Claude Opus 4.1 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 Opus 4.1 cost compared to GPT-3.5 Turbo?

Claude Opus 4.1 costs $15/M input tokens and GPT-3.5 Turbo costs $1.5/M input tokens. GPT-3.5 Turbo is $13.50/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 Opus 4.1 and GPT-3.5 Turbo on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 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 Opus 4.1 vs GPT-3.5 Turbo: Which Is Better?

Updated Aug 2025

Our Verdict

Claude Opus 4.1

GPT-3.5 TurboRunner-up

No community votes yet. On paper, Claude Opus 4.1 has the edge — bigger model tier, newer, bigger context window.

GPT-3.5 Turbo is 38x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Opus 4.1

Input

$15.00

Output

$75.00

GPT-3.5 Turbo

Input

$1.50

10× cheaper

Output

$2.00

38× cheaper

GPT-3.5 Turbo is cheaper on both — 10× input, 38× output

Writing DNA

Style Comparison

Similarity

40%

Claude Opus 4.1 uses 509.5x more bold

Claude Opus 4.1

GPT-3.5 Turbo

61%Vocabulary61%

87wSentence Length16w

0.54Hedging0.23

5.1Bold0.0

6.7Lists3.7

0.38Emoji0.00

1.68Headings0.00

0.13Transitions0.38

Based on 17 + 11 text responses

Research

What we learned reading every model

Claude Opus 4.1 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

Claude Opus 4.1 vs GPT-5Cross-provider

GPT-3.5 Turbo vs Llama 4 MaverickNew provider

Updated Aug 2025

Our Verdict

Claude Opus 4.1

GPT-3.5 TurboRunner-up

No community votes yet. On paper, Claude Opus 4.1 has the edge — bigger model tier, newer, bigger context window.

GPT-3.5 Turbo is 38x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Opus 4.1

Input

$15.00

Output

$75.00

GPT-3.5 Turbo

Input

$1.50

10× cheaper

Output

$2.00

38× cheaper

GPT-3.5 Turbo is cheaper on both — 10× input, 38× output

Writing DNA

Style Comparison

Similarity

40%

Claude Opus 4.1 uses 509.5x more bold

Claude Opus 4.1

GPT-3.5 Turbo

61%Vocabulary61%

87wSentence Length16w

0.54Hedging0.23

5.1Bold0.0

6.7Lists3.7

0.38Emoji0.00

1.68Headings0.00

0.13Transitions0.38

Based on 17 + 11 text responses

Research

What we learned reading every model

Claude Opus 4.1 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

Claude Opus 4.1 vs GPT-5Cross-provider

GPT-3.5 Turbo vs Llama 4 MaverickNew provider