What is the difference between GPT-4o (Omni) and GPT-5.2?

Both are developed by OpenAI but target different use cases. GPT-4o (Omni) has a 128K token context window vs GPT-5.2's 400K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or GPT-5.2?

It depends on your use case. GPT-4o (Omni) and GPT-5.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4o (Omni) cost compared to GPT-5.2?

GPT-4o (Omni) costs $2.5/M input tokens and GPT-5.2 costs $1.75/M input tokens. GPT-5.2 is $0.75/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 GPT-5.2 on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and GPT-5.2 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 GPT-5.2?

Both are developed by OpenAI but target different use cases. GPT-4o (Omni) has a 128K token context window vs GPT-5.2's 400K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-4o (Omni) or GPT-5.2?

It depends on your use case. GPT-4o (Omni) and GPT-5.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does GPT-4o (Omni) cost compared to GPT-5.2?

GPT-4o (Omni) costs $2.5/M input tokens and GPT-5.2 costs $1.75/M input tokens. GPT-5.2 is $0.75/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 GPT-5.2 on Rival?

This page shows a side-by-side comparison of GPT-4o (Omni) and GPT-5.2 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 GPT-5.2: Which Is Better?

Updated Dec 2025

Our Verdict

GPT-5.2

GPT-4o (Omni)Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

GPT-4o (Omni)

Input

$2.50

Output

$10.00

1.4× cheaper

GPT-5.2

Input

$1.75

1.4× cheaper

Output

$14.00

GPT-5.2 wins input (1.4× cheaper)·GPT-4o (Omni) wins output (1.4× cheaper)

Writing DNA

Style Comparison

Similarity

57%

GPT-5.2 uses 2.3x more emoji

GPT-4o (Omni)

GPT-5.2

54%Vocabulary64%

18wSentence Length16w

0.72Hedging0.34

7.3Bold9.4

5.6Lists3.9

0.03Emoji0.06

1.40Headings0.89

0.26Transitions0.31

Based on 24 + 15 text responses

Research

What we learned reading every model

GPT-4o (Omni) and GPT-5.2 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 (Omni) vs Llama 4 MaverickNew provider

GPT-5.2 vs GPT-5Same lab

GPT-4o (Omni) vs MiniMax M3New provider

Updated Dec 2025

Our Verdict

GPT-5.2

GPT-4o (Omni)Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

GPT-4o (Omni)

Input

$2.50

Output

$10.00

1.4× cheaper

GPT-5.2

Input

$1.75

1.4× cheaper

Output

$14.00

GPT-5.2 wins input (1.4× cheaper)·GPT-4o (Omni) wins output (1.4× cheaper)

Writing DNA

Style Comparison

Similarity

57%

GPT-5.2 uses 2.3x more emoji

GPT-4o (Omni)

GPT-5.2

54%Vocabulary64%

18wSentence Length16w

0.72Hedging0.34

7.3Bold9.4

5.6Lists3.9

0.03Emoji0.06

1.40Headings0.89

0.26Transitions0.31

Based on 24 + 15 text responses

Research

What we learned reading every model

GPT-4o (Omni) and GPT-5.2 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 (Omni) vs Llama 4 MaverickNew provider

GPT-5.2 vs GPT-5Same lab

GPT-4o (Omni) vs MiniMax M3New provider