What is the difference between ChatGPT-4o (March 2025) and GPT-4o mini?

Both are developed by OpenAI but target different use cases. ChatGPT-4o (March 2025) has a 128K token context window vs GPT-4o mini's 128K. 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 GPT-4o mini?

It depends on your use case. ChatGPT-4o (March 2025) and GPT-4o mini 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 GPT-4o mini?

ChatGPT-4o (March 2025) costs $5/M input tokens and GPT-4o mini costs $0.15/M input tokens. GPT-4o mini is $4.85/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 ChatGPT-4o (March 2025) and GPT-4o mini on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) 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 ChatGPT-4o (March 2025) and GPT-4o mini?

Both are developed by OpenAI but target different use cases. ChatGPT-4o (March 2025) has a 128K token context window vs GPT-4o mini's 128K. 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 GPT-4o mini?

It depends on your use case. ChatGPT-4o (March 2025) and GPT-4o mini 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 GPT-4o mini?

ChatGPT-4o (March 2025) costs $5/M input tokens and GPT-4o mini costs $0.15/M input tokens. GPT-4o mini is $4.85/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 ChatGPT-4o (March 2025) and GPT-4o mini on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) 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.

ChatGPT-4o (March 2025) vs GPT-4o mini: Which Is Better?

Updated Mar 2025

Our Verdict

ChatGPT-4o (March 2025)

GPT-4o miniRunner-up

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

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

Too close to call

API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

GPT-4o mini

Input

$0.15

33× cheaper

Output

$0.60

25× cheaper

GPT-4o mini is cheaper on both — 33× input, 25× output

Writing DNA

Style Comparison

Similarity

39%

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

ChatGPT-4o (March 2025)

GPT-4o mini

55%Vocabulary54%

24wSentence Length18w

0.52Hedging0.84

3.3Bold3.8

6.0Lists3.3

0.94Emoji0.00

0.63Headings1.03

0.05Transitions0.23

Based on 15 + 22 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) 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

ChatGPT-4o (March 2025) vs Llama 4 MaverickNew provider

ChatGPT-4o (March 2025) vs Gemini 2.5 Pro Preview 06-05New provider

ChatGPT-4o (March 2025) vs GPT-5Same lab

Updated Mar 2025

Our Verdict

ChatGPT-4o (March 2025)

GPT-4o miniRunner-up

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

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

Too close to call

API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

GPT-4o mini

Input

$0.15

33× cheaper

Output

$0.60

25× cheaper

GPT-4o mini is cheaper on both — 33× input, 25× output

Writing DNA

Style Comparison

Similarity

39%

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

ChatGPT-4o (March 2025)

GPT-4o mini

55%Vocabulary54%

24wSentence Length18w

0.52Hedging0.84

3.3Bold3.8

6.0Lists3.3

0.94Emoji0.00

0.63Headings1.03

0.05Transitions0.23

Based on 15 + 22 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) 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

ChatGPT-4o (March 2025) vs Llama 4 MaverickNew provider

ChatGPT-4o (March 2025) vs Gemini 2.5 Pro Preview 06-05New provider

ChatGPT-4o (March 2025) vs GPT-5Same lab