What is the difference between GPT-4.1 Nano and OpenAI o4-mini?

Both are developed by OpenAI but target different use cases. 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 OpenAI o4-mini?

It depends on your use case. GPT-4.1 Nano and OpenAI o4-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-4.1 Nano cost compared to OpenAI o4-mini?

GPT-4.1 Nano costs $0.1/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. GPT-4.1 Nano is $1.00/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 OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of GPT-4.1 Nano and OpenAI o4-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-4.1 Nano and OpenAI o4-mini?

Both are developed by OpenAI but target different use cases. 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 OpenAI o4-mini?

It depends on your use case. GPT-4.1 Nano and OpenAI o4-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-4.1 Nano cost compared to OpenAI o4-mini?

GPT-4.1 Nano costs $0.1/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. GPT-4.1 Nano is $1.00/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 OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of GPT-4.1 Nano and OpenAI o4-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-4.1 Nano vs OpenAI o4-mini: Which Is Better?

Updated Apr 2025

Our Verdict

OpenAI o4-mini

GPT-4.1 NanoRunner-up

No community votes yet. On paper, OpenAI o4-mini has the edge — bigger model tier.

GPT-4.1 Nano is 11x 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

11× cheaper

Output

$0.40

11× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

GPT-4.1 Nano is cheaper on both — 11× input, 11× output

Writing DNA

Style Comparison

Similarity

37%

GPT-4.1 Nano uses 561.5x more bold

GPT-4.1 Nano

OpenAI o4-mini

57%Vocabulary73%

25wSentence Length15w

0.72Hedging0.18

5.6Bold0.0

4.9Lists2.1

0.00Emoji0.00

0.71Headings0.00

0.22Transitions0.02

Based on 24 + 10 text responses

Research

What we learned reading every model

GPT-4.1 Nano and OpenAI o4-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

GPT-4.1 Nano vs MiniMax M3New provider

GPT-4.1 Nano vs Grok 3New provider

GPT-4.1 Nano vs Llama 4 MaverickNew provider

Updated Apr 2025

Our Verdict

OpenAI o4-mini

GPT-4.1 NanoRunner-up

No community votes yet. On paper, OpenAI o4-mini has the edge — bigger model tier.

GPT-4.1 Nano is 11x 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

11× cheaper

Output

$0.40

11× cheaper

OpenAI o4-mini

Input

$1.10

Output

$4.40

GPT-4.1 Nano is cheaper on both — 11× input, 11× output

Writing DNA

Style Comparison

Similarity

37%

GPT-4.1 Nano uses 561.5x more bold

GPT-4.1 Nano

OpenAI o4-mini

57%Vocabulary73%

25wSentence Length15w

0.72Hedging0.18

5.6Bold0.0

4.9Lists2.1

0.00Emoji0.00

0.71Headings0.00

0.22Transitions0.02

Based on 24 + 10 text responses

Research

What we learned reading every model

GPT-4.1 Nano and OpenAI o4-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

GPT-4.1 Nano vs MiniMax M3New provider

GPT-4.1 Nano vs Grok 3New provider

GPT-4.1 Nano vs Llama 4 MaverickNew provider