What is the difference between Claude Opus 4 and GPT-5.2 Pro?

Claude Opus 4 is developed by Anthropic while GPT-5.2 Pro is developed by OpenAI. Claude Opus 4 has a 200K token context window vs GPT-5.2 Pro's 400K. You can compare their actual outputs across 31 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or GPT-5.2 Pro?

It depends on your use case. Claude Opus 4 and GPT-5.2 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 31 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to GPT-5.2 Pro?

Claude Opus 4 costs $15/M input tokens and GPT-5.2 Pro costs $21/M input tokens. Claude Opus 4 is $6.00/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 Opus 4 and GPT-5.2 Pro on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and GPT-5.2 Pro 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 and GPT-5.2 Pro?

Claude Opus 4 is developed by Anthropic while GPT-5.2 Pro is developed by OpenAI. Claude Opus 4 has a 200K token context window vs GPT-5.2 Pro's 400K. You can compare their actual outputs across 31 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4 or GPT-5.2 Pro?

It depends on your use case. Claude Opus 4 and GPT-5.2 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 31 challenges so you can judge which fits your needs best.

How much does Claude Opus 4 cost compared to GPT-5.2 Pro?

Claude Opus 4 costs $15/M input tokens and GPT-5.2 Pro costs $21/M input tokens. Claude Opus 4 is $6.00/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 Opus 4 and GPT-5.2 Pro on Rival?

This page shows a side-by-side comparison of Claude Opus 4 and GPT-5.2 Pro 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 vs GPT-5.2 Pro: Which Is Better?

Updated Dec 2025

Our Verdict

GPT-5.2 Pro

Claude Opus 4Runner-up

No community votes yet. On paper, GPT-5.2 Pro has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

1.4× cheaper

Output

$75.00

2.2× cheaper

GPT-5.2 Pro

Input

$21.00

Output

$168.00

Claude Opus 4 is cheaper on both — 1.4× input, 2.2× output

Writing DNA

Style Comparison

Similarity

50%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

GPT-5.2 Pro

64%Vocabulary62%

62wSentence Length19w

0.52Hedging0.39

4.4Bold8.6

9.1Lists3.8

0.11Emoji0.00

1.87Headings1.17

0.27Transitions0.02

Based on 16 + 10 text responses

Research

What we learned reading every model

Claude Opus 4 and GPT-5.2 Pro 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-5.2 Pro vs MiniMax M1New provider

GPT-5.2 Pro vs Gemini 2.5 Pro Preview 06-05New provider

GPT-5.2 Pro vs Claude Sonnet 4Cross-provider

Updated Dec 2025

Our Verdict

GPT-5.2 Pro

Claude Opus 4Runner-up

No community votes yet. On paper, GPT-5.2 Pro has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

Claude Opus 4

Input

$15.00

1.4× cheaper

Output

$75.00

2.2× cheaper

GPT-5.2 Pro

Input

$21.00

Output

$168.00

Claude Opus 4 is cheaper on both — 1.4× input, 2.2× output

Writing DNA

Style Comparison

Similarity

50%

Claude Opus 4 uses 11.2x more emoji

Claude Opus 4

GPT-5.2 Pro

64%Vocabulary62%

62wSentence Length19w

0.52Hedging0.39

4.4Bold8.6

9.1Lists3.8

0.11Emoji0.00

1.87Headings1.17

0.27Transitions0.02

Based on 16 + 10 text responses

Research

What we learned reading every model

Claude Opus 4 and GPT-5.2 Pro 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-5.2 Pro vs MiniMax M1New provider

GPT-5.2 Pro vs Gemini 2.5 Pro Preview 06-05New provider

GPT-5.2 Pro vs Claude Sonnet 4Cross-provider