What is the difference between GPT-4.5 and INTELLECT-3?

GPT-4.5 is developed by OpenAI while INTELLECT-3 is developed by OpenRouter. You can compare their actual outputs across 25 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.5 or INTELLECT-3?

It depends on your use case. GPT-4.5 and INTELLECT-3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 25 challenges so you can judge which fits your needs best.

How can I compare GPT-4.5 and INTELLECT-3 on Rival?

This page shows a side-by-side comparison of GPT-4.5 and INTELLECT-3 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-4.5 and INTELLECT-3?

GPT-4.5 is developed by OpenAI while INTELLECT-3 is developed by OpenRouter. You can compare their actual outputs across 25 challenges on Rival to see how they differ in practice.

Which is better, GPT-4.5 or INTELLECT-3?

It depends on your use case. GPT-4.5 and INTELLECT-3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 25 challenges so you can judge which fits your needs best.

How can I compare GPT-4.5 and INTELLECT-3 on Rival?

This page shows a side-by-side comparison of GPT-4.5 and INTELLECT-3 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-4.5 vs INTELLECT-3: Which Is Better?

Updated Nov 2025

Our Verdict

GPT-4.5

INTELLECT-3Runner-up

No community votes yet. On paper, GPT-4.5 has the edge — bigger model tier, bigger context window, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.5

Input

$75.00

Output

$150.00

INTELLECT-3

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

73%

INTELLECT-3 uses 1.7x more emoji

GPT-4.5

INTELLECT-3

63%Vocabulary55%

16wSentence Length21w

0.57Hedging0.60

4.7Bold4.9

6.4Lists4.7

0.00Emoji0.02

1.30Headings1.16

0.54Transitions0.25

Based on 11 + 24 text responses

Research

What we learned reading every model

GPT-4.5 and INTELLECT-3 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-4.5 vs MiniMax M3New provider

INTELLECT-3 vs Llama 4 MaverickNew provider

INTELLECT-3 vs GPT-5Cross-provider

Updated Nov 2025

Our Verdict

GPT-4.5

INTELLECT-3Runner-up

No community votes yet. On paper, GPT-4.5 has the edge — bigger model tier, bigger context window, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

GPT-4.5

Input

$75.00

Output

$150.00

INTELLECT-3

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

73%

INTELLECT-3 uses 1.7x more emoji

GPT-4.5

INTELLECT-3

63%Vocabulary55%

16wSentence Length21w

0.57Hedging0.60

4.7Bold4.9

6.4Lists4.7

0.00Emoji0.02

1.30Headings1.16

0.54Transitions0.25

Based on 11 + 24 text responses

Research

What we learned reading every model

GPT-4.5 and INTELLECT-3 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-4.5 vs MiniMax M3New provider

INTELLECT-3 vs Llama 4 MaverickNew provider

INTELLECT-3 vs GPT-5Cross-provider