What is the difference between Claude Opus 4.1 and OpenAI o4 Mini High?

Claude Opus 4.1 is developed by Anthropic while OpenAI o4 Mini High is developed by OpenAI. Claude Opus 4.1 has a 200K token context window vs OpenAI o4 Mini High's 200K. 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 OpenAI o4 Mini High?

It depends on your use case. Claude Opus 4.1 and OpenAI o4 Mini High 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 OpenAI o4 Mini High?

Claude Opus 4.1 costs $15/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. OpenAI o4 Mini High is $13.90/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 OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 and OpenAI o4 Mini High 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 OpenAI o4 Mini High?

Claude Opus 4.1 is developed by Anthropic while OpenAI o4 Mini High is developed by OpenAI. Claude Opus 4.1 has a 200K token context window vs OpenAI o4 Mini High's 200K. 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 OpenAI o4 Mini High?

It depends on your use case. Claude Opus 4.1 and OpenAI o4 Mini High 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 OpenAI o4 Mini High?

Claude Opus 4.1 costs $15/M input tokens and OpenAI o4 Mini High costs $1.1/M input tokens. OpenAI o4 Mini High is $13.90/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 OpenAI o4 Mini High on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 and OpenAI o4 Mini High 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 OpenAI o4 Mini High: Which Is Better?

Updated Aug 2025

Our Verdict

Claude Opus 4.1

OpenAI o4 Mini HighRunner-up

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

OpenAI o4 Mini High is 17x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4.1

Input

$15.00

Output

$75.00

OpenAI o4 Mini High

Input

$1.10

14× cheaper

Output

$4.40

17× cheaper

OpenAI o4 Mini High is cheaper on both — 14× input, 17× output

Writing DNA

Style Comparison

Similarity

42%

Claude Opus 4.1 uses 509.5x more bold

Claude Opus 4.1

OpenAI o4 Mini High

61%Vocabulary70%

87wSentence Length18w

0.54Hedging0.33

5.1Bold0.0

6.7Lists1.3

0.38Emoji0.02

1.68Headings0.00

0.13Transitions0.04

Based on 17 + 14 text responses

Research

What we learned reading every model

Claude Opus 4.1 and OpenAI o4 Mini High 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

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Updated Aug 2025

Our Verdict

Claude Opus 4.1

OpenAI o4 Mini HighRunner-up

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

OpenAI o4 Mini High is 17x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4.1

Input

$15.00

Output

$75.00

OpenAI o4 Mini High

Input

$1.10

14× cheaper

Output

$4.40

17× cheaper

OpenAI o4 Mini High is cheaper on both — 14× input, 17× output

Writing DNA

Style Comparison

Similarity

42%

Claude Opus 4.1 uses 509.5x more bold

Claude Opus 4.1

OpenAI o4 Mini High

61%Vocabulary70%

87wSentence Length18w

0.54Hedging0.33

5.1Bold0.0

6.7Lists1.3

0.38Emoji0.02

1.68Headings0.00

0.13Transitions0.04

Based on 17 + 14 text responses

Research

What we learned reading every model

Claude Opus 4.1 and OpenAI o4 Mini High 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

OpenAI o4 Mini High vs MiniMax M3New provider

OpenAI o4 Mini High vs Llama 4 MaverickNew provider

OpenAI o4 Mini High vs Gemini 2.5 Pro Preview 06-05New provider