What is the difference between Grok 3 Beta and OpenAI o4-mini?

Grok 3 Beta is developed by xAI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 Beta or OpenAI o4-mini?

It depends on your use case. Grok 3 Beta 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 Grok 3 Beta cost compared to OpenAI o4-mini?

Grok 3 Beta costs $2/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.90/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 Grok 3 Beta and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Grok 3 Beta 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 Grok 3 Beta and OpenAI o4-mini?

Grok 3 Beta is developed by xAI while OpenAI o4-mini is developed by OpenAI. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Grok 3 Beta or OpenAI o4-mini?

It depends on your use case. Grok 3 Beta 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 Grok 3 Beta cost compared to OpenAI o4-mini?

Grok 3 Beta costs $2/M input tokens and OpenAI o4-mini costs $1.1/M input tokens. OpenAI o4-mini is $0.90/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 Grok 3 Beta and OpenAI o4-mini on Rival?

This page shows a side-by-side comparison of Grok 3 Beta 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.

Grok 3 Beta vs OpenAI o4-mini: Which Is Better?

Updated Apr 2025

Our Verdict

Grok 3 Beta

OpenAI o4-miniRunner-up

No community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, bigger context window.

Too close to call

What do Grok 3 Beta and OpenAI o4-mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok 3 Beta

Input

$2.00

Output

$4.00

1.1× cheaper

OpenAI o4-mini

Input

$1.10

1.8× cheaper

Output

$4.40

OpenAI o4-mini wins input (1.8× cheaper)·Grok 3 Beta wins output (1.1× cheaper)

Writing DNA

Style Comparison

Similarity

28%

Grok 3 Beta uses 309.1x more bold

Grok 3 Beta

OpenAI o4-mini

48%Vocabulary73%

19wSentence Length15w

0.67Hedging0.18

3.1Bold0.0

5.5Lists2.1

0.00Emoji0.00

0.52Headings0.00

0.28Transitions0.02

Based on 23 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 3 Beta vs MiniMax M3New provider

Grok 3 Beta vs Ox AlphaNew provider

Grok 3 Beta vs Llama 4 MaverickNew provider

Updated Apr 2025

Our Verdict

Grok 3 Beta

OpenAI o4-miniRunner-up

No community votes yet. On paper, Grok 3 Beta has the edge — bigger model tier, bigger context window.

Too close to call

What do Grok 3 Beta and OpenAI o4-mini say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Grok 3 Beta

Input

$2.00

Output

$4.00

1.1× cheaper

OpenAI o4-mini

Input

$1.10

1.8× cheaper

Output

$4.40

OpenAI o4-mini wins input (1.8× cheaper)·Grok 3 Beta wins output (1.1× cheaper)

Writing DNA

Style Comparison

Similarity

28%

Grok 3 Beta uses 309.1x more bold

Grok 3 Beta

OpenAI o4-mini

48%Vocabulary73%

19wSentence Length15w

0.67Hedging0.18

3.1Bold0.0

5.5Lists2.1

0.00Emoji0.00

0.52Headings0.00

0.28Transitions0.02

Based on 23 + 10 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Grok 3 Beta vs MiniMax M3New provider

Grok 3 Beta vs Ox AlphaNew provider

Grok 3 Beta vs Llama 4 MaverickNew provider