What is the difference between GPT-4 and GPT-5.4 Pro?

Both are developed by OpenAI but target different use cases. GPT-4 has a 8K token context window vs GPT-5.4 Pro's 1.1M. You can compare their actual outputs across 16 challenges on Rival to see how they differ in practice.

Which is better, GPT-4 or GPT-5.4 Pro?

It depends on your use case. GPT-4 and GPT-5.4 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 16 challenges so you can judge which fits your needs best.

How much does GPT-4 cost compared to GPT-5.4 Pro?

GPT-4 costs $30/M input tokens and GPT-5.4 Pro costs $30/M input tokens. GPT-5.4 Pro is $0.00/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 and GPT-5.4 Pro on Rival?

This page shows a side-by-side comparison of GPT-4 and GPT-5.4 Pro 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 and GPT-5.4 Pro?

Both are developed by OpenAI but target different use cases. GPT-4 has a 8K token context window vs GPT-5.4 Pro's 1.1M. You can compare their actual outputs across 16 challenges on Rival to see how they differ in practice.

Which is better, GPT-4 or GPT-5.4 Pro?

It depends on your use case. GPT-4 and GPT-5.4 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 16 challenges so you can judge which fits your needs best.

How much does GPT-4 cost compared to GPT-5.4 Pro?

GPT-4 costs $30/M input tokens and GPT-5.4 Pro costs $30/M input tokens. GPT-5.4 Pro is $0.00/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 and GPT-5.4 Pro on Rival?

This page shows a side-by-side comparison of GPT-4 and GPT-5.4 Pro 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 vs GPT-5.4 Pro: Which Is Better?

Updated Mar 2026

Our Verdict

GPT-5.4 Pro

GPT-4Runner-up

No community votes yet. On paper, GPT-5.4 Pro has the edge — newer, bigger context window.

GPT-4 is 3.0x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4

Input

$30.00

Output

$60.00

3.0× cheaper

GPT-5.4 Pro

Input

$30.00

Output

$180.00

Writing DNA

Style Comparison

Similarity

49%

GPT-5.4 Pro uses 251.6x more headings

GPT-4

GPT-5.4 Pro

59%Vocabulary50%

18wSentence Length35w

1.10Hedging0.70

0.8Bold7.5

2.5Lists8.3

0.00Emoji0.00

0.00Headings2.52

0.45Transitions0.01

Based on 15 + 12 text responses

Research

What we learned reading every model

GPT-4 and GPT-5.4 Pro 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 vs Gemini 2.5 Pro Preview 06-05New provider

GPT-4 vs MiniMax M3New provider

GPT-4 vs Claude Opus 4New provider

Updated Mar 2026

Our Verdict

GPT-5.4 Pro

GPT-4Runner-up

No community votes yet. On paper, GPT-5.4 Pro has the edge — newer, bigger context window.

GPT-4 is 3.0x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-4

Input

$30.00

Output

$60.00

3.0× cheaper

GPT-5.4 Pro

Input

$30.00

Output

$180.00

Writing DNA

Style Comparison

Similarity

49%

GPT-5.4 Pro uses 251.6x more headings

GPT-4

GPT-5.4 Pro

59%Vocabulary50%

18wSentence Length35w

1.10Hedging0.70

0.8Bold7.5

2.5Lists8.3

0.00Emoji0.00

0.00Headings2.52

0.45Transitions0.01

Based on 15 + 12 text responses

Research

What we learned reading every model

GPT-4 and GPT-5.4 Pro 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 vs Gemini 2.5 Pro Preview 06-05New provider

GPT-4 vs MiniMax M3New provider

GPT-4 vs Claude Opus 4New provider