What is the difference between GPT-4.1 and GPT-4o (Omni)?

Both are developed by OpenAI but target different use cases. GPT-4.1 has a 1.0M token context window vs GPT-4o (Omni)'s 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 or GPT-4o (Omni)?

It depends on your use case. GPT-4.1 and GPT-4o (Omni) 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-4.1 cost compared to GPT-4o (Omni)?

GPT-4.1 costs $2/M input tokens and GPT-4o (Omni) costs $2.5/M input tokens. GPT-4.1 is $0.50/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-4.1 and GPT-4o (Omni) on Rival?

This page shows a side-by-side comparison of GPT-4.1 and GPT-4o (Omni) 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-4.1 and GPT-4o (Omni)?

Both are developed by OpenAI but target different use cases. GPT-4.1 has a 1.0M token context window vs GPT-4o (Omni)'s 128K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.1 or GPT-4o (Omni)?

It depends on your use case. GPT-4.1 and GPT-4o (Omni) 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-4.1 cost compared to GPT-4o (Omni)?

GPT-4.1 costs $2/M input tokens and GPT-4o (Omni) costs $2.5/M input tokens. GPT-4.1 is $0.50/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-4.1 and GPT-4o (Omni) on Rival?

This page shows a side-by-side comparison of GPT-4.1 and GPT-4o (Omni) 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-4.1 vs GPT-4o (Omni): Which Is Better?

Updated Apr 2025

Our Verdict

GPT-4.1

GPT-4o (Omni)Runner-up

No community votes yet. On paper, GPT-4.1 has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1

Input

$2.00

1.3× cheaper

Output

$8.00

1.3× cheaper

GPT-4o (Omni)

Input

$2.50

Output

$10.00

GPT-4.1 is cheaper on both — 1.3× input, 1.3× output

Writing DNA

Style Comparison

Similarity

53%

GPT-4.1 uses 9.4x more emoji

GPT-4.1

GPT-4o (Omni)

58%Vocabulary54%

19wSentence Length18w

0.38Hedging0.72

9.0Bold7.3

6.1Lists5.6

0.24Emoji0.03

1.01Headings1.40

0.07Transitions0.26

Based on 25 + 24 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-4.1 vs Llama 4 MaverickNew provider

GPT-4.1 vs GPT-5Version compare

GPT-4o (Omni) vs MiniMax M3New provider

Updated Apr 2025

Our Verdict

GPT-4.1

GPT-4o (Omni)Runner-up

No community votes yet. On paper, GPT-4.1 has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1

Input

$2.00

1.3× cheaper

Output

$8.00

1.3× cheaper

GPT-4o (Omni)

Input

$2.50

Output

$10.00

GPT-4.1 is cheaper on both — 1.3× input, 1.3× output

Writing DNA

Style Comparison

Similarity

53%

GPT-4.1 uses 9.4x more emoji

GPT-4.1

GPT-4o (Omni)

58%Vocabulary54%

19wSentence Length18w

0.38Hedging0.72

9.0Bold7.3

6.1Lists5.6

0.24Emoji0.03

1.01Headings1.40

0.07Transitions0.26

Based on 25 + 24 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-4.1 vs Llama 4 MaverickNew provider

GPT-4.1 vs GPT-5Version compare

GPT-4o (Omni) vs MiniMax M3New provider