What is the difference between Claude Sonnet 4 and GPT-4o mini?

Claude Sonnet 4 is developed by Anthropic while GPT-4o mini is developed by OpenAI. Claude Sonnet 4 has a 200K token context window vs GPT-4o mini's 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or GPT-4o mini?

It depends on your use case. Claude Sonnet 4 and GPT-4o mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4 cost compared to GPT-4o mini?

Claude Sonnet 4 costs $3/M input tokens and GPT-4o mini costs $0.15/M input tokens. GPT-4o mini is $2.85/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 Sonnet 4 and GPT-4o mini on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and GPT-4o mini 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 Sonnet 4 and GPT-4o mini?

Claude Sonnet 4 is developed by Anthropic while GPT-4o mini is developed by OpenAI. Claude Sonnet 4 has a 200K token context window vs GPT-4o mini's 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4 or GPT-4o mini?

It depends on your use case. Claude Sonnet 4 and GPT-4o mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4 cost compared to GPT-4o mini?

Claude Sonnet 4 costs $3/M input tokens and GPT-4o mini costs $0.15/M input tokens. GPT-4o mini is $2.85/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 Sonnet 4 and GPT-4o mini on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4 and GPT-4o mini 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 Sonnet 4 vs GPT-4o mini: Which Is Better?

Updated May 2025

Our Verdict

Claude Sonnet 4

GPT-4o miniRunner-up

No community votes yet. On paper, Claude Sonnet 4 has the edge — bigger model tier, newer, bigger context window.

GPT-4o mini is 25x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

GPT-4o mini

Input

$0.15

20× cheaper

Output

$0.60

25× cheaper

GPT-4o mini is cheaper on both — 20× input, 25× output

Writing DNA

Style Comparison

Similarity

46%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4

GPT-4o mini

62%Vocabulary54%

111wSentence Length18w

0.40Hedging0.84

5.0Bold3.8

9.3Lists3.3

0.88Emoji0.00

2.16Headings1.03

0.33Transitions0.23

Based on 17 + 22 text responses

Research

What we learned reading every model

Claude Sonnet 4 and GPT-4o mini 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-4o mini vs MiniMax M3New provider

Claude Sonnet 4 vs Gemini 2.5 Pro Preview 06-05New provider

GPT-4o mini vs Claude Opus 4Cross-provider

Updated May 2025

Our Verdict

Claude Sonnet 4

GPT-4o miniRunner-up

No community votes yet. On paper, Claude Sonnet 4 has the edge — bigger model tier, newer, bigger context window.

GPT-4o mini is 25x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude Sonnet 4

Input

$3.00

Output

$15.00

GPT-4o mini

Input

$0.15

20× cheaper

Output

$0.60

25× cheaper

GPT-4o mini is cheaper on both — 20× input, 25× output

Writing DNA

Style Comparison

Similarity

46%

Claude Sonnet 4 uses 87.9x more emoji

Claude Sonnet 4

GPT-4o mini

62%Vocabulary54%

111wSentence Length18w

0.40Hedging0.84

5.0Bold3.8

9.3Lists3.3

0.88Emoji0.00

2.16Headings1.03

0.33Transitions0.23

Based on 17 + 22 text responses

Research

What we learned reading every model

Claude Sonnet 4 and GPT-4o mini 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-4o mini vs MiniMax M3New provider

Claude Sonnet 4 vs Gemini 2.5 Pro Preview 06-05New provider

GPT-4o mini vs Claude Opus 4Cross-provider