What is the difference between xAI: Grok 4.5 and INTELLECT-3?

xAI: Grok 4.5 is developed by xAI while INTELLECT-3 is developed by OpenRouter. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4.5 or INTELLECT-3?

It depends on your use case. xAI: Grok 4.5 and INTELLECT-3 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 can I compare xAI: Grok 4.5 and INTELLECT-3 on Rival?

This page shows a side-by-side comparison of xAI: Grok 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 xAI: Grok 4.5 and INTELLECT-3?

xAI: Grok 4.5 is developed by xAI while INTELLECT-3 is developed by OpenRouter. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4.5 or INTELLECT-3?

It depends on your use case. xAI: Grok 4.5 and INTELLECT-3 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 can I compare xAI: Grok 4.5 and INTELLECT-3 on Rival?

This page shows a side-by-side comparison of xAI: Grok 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.

xAI: Grok 4.5 vs INTELLECT-3: Which Is Better?

Updated Jul 2026

Our Verdict

xAI: Grok 4.5

INTELLECT-3Runner-up

No community votes yet. On paper, xAI: Grok 4.5 has the edge — newer, bigger context window, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

xAI: Grok 4.5

Input

$2.00

Output

$6.00

INTELLECT-3

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

39%

xAI: Grok 4.5 uses 5.2x more emoji

xAI: Grok 4.5

INTELLECT-3

61%Vocabulary55%

16wSentence Length21w

0.23Hedging0.60

2.5Bold4.9

2.4Lists4.7

0.09Emoji0.02

0.48Headings1.16

0.06Transitions0.25

Based on 27 + 24 text responses

Research

What we learned reading every model

xAI: Grok 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

INTELLECT-3 vs MiniMax M3New provider

INTELLECT-3 vs Claude Sonnet 4New provider

INTELLECT-3 vs xAI: Grok 4Cross-provider

Updated Jul 2026

Our Verdict

xAI: Grok 4.5

INTELLECT-3Runner-up

No community votes yet. On paper, xAI: Grok 4.5 has the edge — newer, bigger context window, major provider backing.

Too close to call

API pricing

Cost per 1M tokens

xAI: Grok 4.5

Input

$2.00

Output

$6.00

INTELLECT-3

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

39%

xAI: Grok 4.5 uses 5.2x more emoji

xAI: Grok 4.5

INTELLECT-3

61%Vocabulary55%

16wSentence Length21w

0.23Hedging0.60

2.5Bold4.9

2.4Lists4.7

0.09Emoji0.02

0.48Headings1.16

0.06Transitions0.25

Based on 27 + 24 text responses

Research

What we learned reading every model

xAI: Grok 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

INTELLECT-3 vs MiniMax M3New provider

INTELLECT-3 vs Claude Sonnet 4New provider

INTELLECT-3 vs xAI: Grok 4Cross-provider