What is the difference between ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22)?

ChatGPT-4o (March 2025) is developed by OpenAI while Claude Sonnet 3.6 (2022-10-22) is developed by Anthropic. ChatGPT-4o (March 2025) has a 128K token context window vs Claude Sonnet 3.6 (2022-10-22)'s 200K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or Claude Sonnet 3.6 (2022-10-22)?

It depends on your use case. ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to Claude Sonnet 3.6 (2022-10-22)?

ChatGPT-4o (March 2025) costs $5/M input tokens and Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens. Claude Sonnet 3.6 (2022-10-22) is $2.00/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 ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) 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 ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22)?

ChatGPT-4o (March 2025) is developed by OpenAI while Claude Sonnet 3.6 (2022-10-22) is developed by Anthropic. ChatGPT-4o (March 2025) has a 128K token context window vs Claude Sonnet 3.6 (2022-10-22)'s 200K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or Claude Sonnet 3.6 (2022-10-22)?

It depends on your use case. ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to Claude Sonnet 3.6 (2022-10-22)?

ChatGPT-4o (March 2025) costs $5/M input tokens and Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens. Claude Sonnet 3.6 (2022-10-22) is $2.00/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 ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) 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.

ChatGPT-4o (March 2025) vs Claude Sonnet 3.6 (2022-10-22): Which Is Better?

Updated Mar 2025

Our Verdict

ChatGPT-4o (March 2025)

Claude Sonnet 3.6 (2022-10-22)Runner-up

No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, newer.

Too close to call

API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

Claude Sonnet 3.6 (2022-10-22)

Input

$3.00

1.7× cheaper

Output

$15.00

Writing DNA

Style Comparison

Similarity

58%

ChatGPT-4o (March 2025) uses 94.5x more emoji

ChatGPT-4o (March 2025)

Claude Sonnet 3.6 (2022-10-22)

55%Vocabulary66%

24wSentence Length74w

0.52Hedging0.72

3.3Bold0.3

6.0Lists8.9

0.94Emoji0.00

0.63Headings0.06

0.05Transitions0.09

Based on 15 + 21 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) 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 Sonnet 3.6 (2022-10-22) vs MiniMax M3New provider

Claude Sonnet 3.6 (2022-10-22) vs Llama 4 MaverickNew provider

Claude Sonnet 3.6 (2022-10-22) vs Grok 3New provider

Updated Mar 2025

Our Verdict

ChatGPT-4o (March 2025)

Claude Sonnet 3.6 (2022-10-22)Runner-up

No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, newer.

Too close to call

API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

Claude Sonnet 3.6 (2022-10-22)

Input

$3.00

1.7× cheaper

Output

$15.00

Writing DNA

Style Comparison

Similarity

58%

ChatGPT-4o (March 2025) uses 94.5x more emoji

ChatGPT-4o (March 2025)

Claude Sonnet 3.6 (2022-10-22)

55%Vocabulary66%

24wSentence Length74w

0.52Hedging0.72

3.3Bold0.3

6.0Lists8.9

0.94Emoji0.00

0.63Headings0.06

0.05Transitions0.09

Based on 15 + 21 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) 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 Sonnet 3.6 (2022-10-22) vs MiniMax M3New provider

Claude Sonnet 3.6 (2022-10-22) vs Llama 4 MaverickNew provider

Claude Sonnet 3.6 (2022-10-22) vs Grok 3New provider