What is the difference between Claude 3 Opus and GPT-4.1?

Claude 3 Opus is developed by Anthropic while GPT-4.1 is developed by OpenAI. Claude 3 Opus has a 200K token context window vs GPT-4.1's 1.0M. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or GPT-4.1?

It depends on your use case. Claude 3 Opus and GPT-4.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to GPT-4.1?

Claude 3 Opus costs $15/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $13.00/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 3 Opus and GPT-4.1 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and GPT-4.1 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 3 Opus and GPT-4.1?

Claude 3 Opus is developed by Anthropic while GPT-4.1 is developed by OpenAI. Claude 3 Opus has a 200K token context window vs GPT-4.1's 1.0M. You can compare their actual outputs across 12 challenges on Rival to see how they differ in practice.

Which is better, Claude 3 Opus or GPT-4.1?

It depends on your use case. Claude 3 Opus and GPT-4.1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

How much does Claude 3 Opus cost compared to GPT-4.1?

Claude 3 Opus costs $15/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $13.00/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 3 Opus and GPT-4.1 on Rival?

This page shows a side-by-side comparison of Claude 3 Opus and GPT-4.1 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 3 Opus vs GPT-4.1: Which Is Better?

Updated Apr 2025

Our Verdict

GPT-4.1

Claude 3 OpusRunner-up

No community votes yet. On paper, GPT-4.1 has the edge — newer, bigger context window.

GPT-4.1 is 9.4x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Opus

Input

$15.00

Output

$75.00

GPT-4.1

Input

$2.00

7.5× cheaper

Output

$8.00

9.4× cheaper

GPT-4.1 is cheaper on both — 7.5× input, 9.4× output

Writing DNA

Style Comparison

Similarity

39%

GPT-4.1 uses 902.6x more bold

Claude 3 Opus

GPT-4.1

54%Vocabulary58%

14wSentence Length19w

0.48Hedging0.38

0.0Bold9.0

3.0Lists6.1

0.00Emoji0.24

0.00Headings1.01

0.06Transitions0.07

Based on 3 + 25 text responses

Research

What we learned reading every model

Claude 3 Opus 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

Claude 3 Opus vs Llama 4 MaverickNew provider

Claude 3 Opus vs GPT-5Cross-provider

Claude 3 Opus vs MiniMax M3New provider

Updated Apr 2025

Our Verdict

GPT-4.1

Claude 3 OpusRunner-up

No community votes yet. On paper, GPT-4.1 has the edge — newer, bigger context window.

GPT-4.1 is 9.4x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude 3 Opus

Input

$15.00

Output

$75.00

GPT-4.1

Input

$2.00

7.5× cheaper

Output

$8.00

9.4× cheaper

GPT-4.1 is cheaper on both — 7.5× input, 9.4× output

Writing DNA

Style Comparison

Similarity

39%

GPT-4.1 uses 902.6x more bold

Claude 3 Opus

GPT-4.1

54%Vocabulary58%

14wSentence Length19w

0.48Hedging0.38

0.0Bold9.0

3.0Lists6.1

0.00Emoji0.24

0.00Headings1.01

0.06Transitions0.07

Based on 3 + 25 text responses

Research

What we learned reading every model

Claude 3 Opus 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

Claude 3 Opus vs Llama 4 MaverickNew provider

Claude 3 Opus vs GPT-5Cross-provider

Claude 3 Opus vs MiniMax M3New provider