What is the difference between GPT-4o (Omni) and o3 Mini?

Both are developed by OpenAI but target different use cases. GPT-4o (Omni) has a 128K token context window vs o3 Mini's 64K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or o3 Mini?

It depends on your use case. GPT-4o (Omni) and o3 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 GPT-4o (Omni) cost compared to o3 Mini?

GPT-4o (Omni) costs $2.5/M input tokens and o3 Mini costs $1.1/M input tokens. o3 Mini is $1.40/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 GPT-4o (Omni) and o3 Mini on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and o3 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 GPT-4o (Omni) and o3 Mini?

Both are developed by OpenAI but target different use cases. GPT-4o (Omni) has a 128K token context window vs o3 Mini's 64K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or o3 Mini?

It depends on your use case. GPT-4o (Omni) and o3 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 GPT-4o (Omni) cost compared to o3 Mini?

GPT-4o (Omni) costs $2.5/M input tokens and o3 Mini costs $1.1/M input tokens. o3 Mini is $1.40/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 GPT-4o (Omni) and o3 Mini on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and o3 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.

GPT-4o (Omni) vs o3 Mini: Which Is Better?

Updated Dec 2024

Our Verdict

GPT-4o (Omni)

o3 MiniRunner-up

No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GPT-4o (Omni)

Input

$2.50

Output

$10.00

o3 Mini

Input

$1.10

2.3× cheaper

Output

$4.40

2.3× cheaper

o3 Mini is cheaper on both — 2.3× input, 2.3× output

Writing DNA

Style Comparison

Similarity

62%

GPT-4o (Omni) uses 2.5x more emoji

GPT-4o (Omni)

o3 Mini

54%Vocabulary65%

18wSentence Length17w

0.72Hedging0.74

7.3Bold3.9

5.6Lists1.7

0.03Emoji0.00

1.40Headings0.47

0.26Transitions0.38

Based on 24 + 12 text responses

Research

What we learned reading every model

GPT-4o (Omni) and o3 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

o3 Mini vs Llama 4 MaverickNew provider

o3 Mini vs GPT-5Same lab

o3 Mini vs MiniMax M3New provider

Updated Dec 2024

Our Verdict

GPT-4o (Omni)

o3 MiniRunner-up

No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GPT-4o (Omni)

Input

$2.50

Output

$10.00

o3 Mini

Input

$1.10

2.3× cheaper

Output

$4.40

2.3× cheaper

o3 Mini is cheaper on both — 2.3× input, 2.3× output

Writing DNA

Style Comparison

Similarity

62%

GPT-4o (Omni) uses 2.5x more emoji

GPT-4o (Omni)

o3 Mini

54%Vocabulary65%

18wSentence Length17w

0.72Hedging0.74

7.3Bold3.9

5.6Lists1.7

0.03Emoji0.00

1.40Headings0.47

0.26Transitions0.38

Based on 24 + 12 text responses

Research

What we learned reading every model

GPT-4o (Omni) and o3 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

o3 Mini vs Llama 4 MaverickNew provider

o3 Mini vs GPT-5Same lab

o3 Mini vs MiniMax M3New provider