What is the difference between GPT-5.4 Mini and GPT-5.4 Nano?

Both are developed by OpenAI but target different use cases. GPT-5.4 Mini has a 400K token context window vs GPT-5.4 Nano's 400K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Mini or GPT-5.4 Nano?

It depends on your use case. GPT-5.4 Mini and GPT-5.4 Nano 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-5.4 Mini cost compared to GPT-5.4 Nano?

GPT-5.4 Mini costs $0.75/M input tokens and GPT-5.4 Nano costs $0.2/M input tokens. GPT-5.4 Nano is $0.55/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-5.4 Mini and GPT-5.4 Nano on Rival?

This page shows a side-by-side comparison of GPT-5.4 Mini and GPT-5.4 Nano 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-5.4 Mini and GPT-5.4 Nano?

Both are developed by OpenAI but target different use cases. GPT-5.4 Mini has a 400K token context window vs GPT-5.4 Nano's 400K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.4 Mini or GPT-5.4 Nano?

It depends on your use case. GPT-5.4 Mini and GPT-5.4 Nano 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-5.4 Mini cost compared to GPT-5.4 Nano?

GPT-5.4 Mini costs $0.75/M input tokens and GPT-5.4 Nano costs $0.2/M input tokens. GPT-5.4 Nano is $0.55/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-5.4 Mini and GPT-5.4 Nano on Rival?

This page shows a side-by-side comparison of GPT-5.4 Mini and GPT-5.4 Nano 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-5.4 Mini vs GPT-5.4 Nano: Which Is Better?

Updated Mar 2026

Our Verdict

GPT-5.4 Mini

GPT-5.4 NanoRunner-up

No community votes yet. On paper, GPT-5.4 Mini has the edge — bigger model tier.

GPT-5.4 Nano is 3.6x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.4 Mini

Input

$0.75

Output

$4.50

GPT-5.4 Nano

Input

$0.20

3.8× cheaper

Output

$1.25

3.6× cheaper

GPT-5.4 Nano is cheaper on both — 3.8× input, 3.6× output

Writing DNA

Style Comparison

Similarity

81%

GPT-5.4 Mini

GPT-5.4 Nano

54%Vocabulary51%

20wSentence Length21w

0.72Hedging0.58

6.0Bold7.1

8.3Lists5.5

0.00Emoji0.01

2.11Headings1.39

0.04Transitions0.05

Based on 23 + 23 text responses

Research

What we learned reading every model

GPT-5.4 Mini and GPT-5.4 Nano 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-5.4 Mini vs MiniMax M3New provider

GPT-5.4 Mini vs Grok 3New provider

GPT-5.4 Mini vs Llama 4 MaverickNew provider

Updated Mar 2026

Our Verdict

GPT-5.4 Mini

GPT-5.4 NanoRunner-up

No community votes yet. On paper, GPT-5.4 Mini has the edge — bigger model tier.

GPT-5.4 Nano is 3.6x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.4 Mini

Input

$0.75

Output

$4.50

GPT-5.4 Nano

Input

$0.20

3.8× cheaper

Output

$1.25

3.6× cheaper

GPT-5.4 Nano is cheaper on both — 3.8× input, 3.6× output

Writing DNA

Style Comparison

Similarity

81%

GPT-5.4 Mini

GPT-5.4 Nano

54%Vocabulary51%

20wSentence Length21w

0.72Hedging0.58

6.0Bold7.1

8.3Lists5.5

0.00Emoji0.01

2.11Headings1.39

0.04Transitions0.05

Based on 23 + 23 text responses

Research

What we learned reading every model

GPT-5.4 Mini and GPT-5.4 Nano 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-5.4 Mini vs MiniMax M3New provider

GPT-5.4 Mini vs Grok 3New provider

GPT-5.4 Mini vs Llama 4 MaverickNew provider