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

Both are developed by OpenAI but target different use cases. GPT-4.1 Nano 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 Nano or GPT-4o (Omni)?

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

GPT-4.1 Nano costs $0.1/M input tokens and GPT-4o (Omni) costs $2.5/M input tokens. GPT-4.1 Nano is $2.40/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-4.1 Nano and GPT-4o (Omni) on Rival?

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

Both are developed by OpenAI but target different use cases. GPT-4.1 Nano 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 Nano or GPT-4o (Omni)?

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

GPT-4.1 Nano costs $0.1/M input tokens and GPT-4o (Omni) costs $2.5/M input tokens. GPT-4.1 Nano is $2.40/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-4.1 Nano and GPT-4o (Omni) on Rival?

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

Updated Apr 2025

Our Verdict

GPT-4.1 Nano

GPT-4o (Omni)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

GPT-4.1 Nano is 25x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1 Nano

Input

$0.10

25× cheaper

Output

$0.40

25× cheaper

GPT-4o (Omni)

Input

$2.50

Output

$10.00

GPT-4.1 Nano is cheaper on both — 25× input, 25× output

Writing DNA

Style Comparison

Similarity

63%

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

GPT-4.1 Nano

GPT-4o (Omni)

57%Vocabulary54%

25wSentence Length18w

0.72Hedging0.72

5.6Bold7.3

4.9Lists5.6

0.00Emoji0.03

0.71Headings1.40

0.22Transitions0.26

Based on 24 + 24 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-4.1 Nano vs Llama 4 MaverickNew provider

GPT-4.1 Nano vs GPT-5Version compare

GPT-4o (Omni) vs MiniMax M3New provider

Updated Apr 2025

Our Verdict

GPT-4.1 Nano

GPT-4o (Omni)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

GPT-4.1 Nano is 25x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1 Nano

Input

$0.10

25× cheaper

Output

$0.40

25× cheaper

GPT-4o (Omni)

Input

$2.50

Output

$10.00

GPT-4.1 Nano is cheaper on both — 25× input, 25× output

Writing DNA

Style Comparison

Similarity

63%

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

GPT-4.1 Nano

GPT-4o (Omni)

57%Vocabulary54%

25wSentence Length18w

0.72Hedging0.72

5.6Bold7.3

4.9Lists5.6

0.00Emoji0.03

0.71Headings1.40

0.22Transitions0.26

Based on 24 + 24 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-4.1 Nano vs Llama 4 MaverickNew provider

GPT-4.1 Nano vs GPT-5Version compare

GPT-4o (Omni) vs MiniMax M3New provider