What is the difference between Grok 3 Beta and o3 Mini?

Grok 3 Beta is developed by xAI while o3 Mini is developed by OpenAI. Grok 3 Beta has a 131K token context window vs o3 Mini's 64K. 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 o3 Mini?

It depends on your use case. Grok 3 Beta and o3 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 o3 Mini?

Grok 3 Beta costs $2/M input tokens and o3 Mini costs $1.1/M input tokens. o3 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 o3 Mini on Rival?

This page shows a side-by-side comparison of Grok 3 Beta and o3 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 o3 Mini?

Grok 3 Beta is developed by xAI while o3 Mini is developed by OpenAI. Grok 3 Beta has a 131K token context window vs o3 Mini's 64K. 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 o3 Mini?

It depends on your use case. Grok 3 Beta and o3 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 o3 Mini?

Grok 3 Beta costs $2/M input tokens and o3 Mini costs $1.1/M input tokens. o3 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 o3 Mini on Rival?

This page shows a side-by-side comparison of Grok 3 Beta and o3 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 o3 Mini: Which Is Better?

Updated Apr 2025

Our Verdict

Grok 3 Beta

o3 MiniRunner-up

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

Slight edge

API pricing

Cost per 1M tokens

Grok 3 Beta

Input

$2.00

Output

$4.00

1.1× cheaper

o3 Mini

Input

$1.10

1.8× cheaper

Output

$4.40

o3 Mini wins input (1.8× cheaper)·Grok 3 Beta wins output (1.1× cheaper)

Writing DNA

Style Comparison

Similarity

63%

Grok 3 Beta uses 3.3x more lists

Grok 3 Beta

o3 Mini

48%Vocabulary65%

19wSentence Length17w

0.67Hedging0.74

3.1Bold3.9

5.5Lists1.7

0.00Emoji0.00

0.52Headings0.47

0.28Transitions0.38

Based on 23 + 12 text responses

Research

What we learned reading every model

Grok 3 Beta and o3 Mini 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

o3 Mini vs MiniMax M3New provider

o3 Mini vs Llama 4 MaverickNew provider

o3 Mini vs Gemini 2.5 Pro (I/O Edition)New provider

Updated Apr 2025

Our Verdict

Grok 3 Beta

o3 MiniRunner-up

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

Slight edge

API pricing

Cost per 1M tokens

Grok 3 Beta

Input

$2.00

Output

$4.00

1.1× cheaper

o3 Mini

Input

$1.10

1.8× cheaper

Output

$4.40

o3 Mini wins input (1.8× cheaper)·Grok 3 Beta wins output (1.1× cheaper)

Writing DNA

Style Comparison

Similarity

63%

Grok 3 Beta uses 3.3x more lists

Grok 3 Beta

o3 Mini

48%Vocabulary65%

19wSentence Length17w

0.67Hedging0.74

3.1Bold3.9

5.5Lists1.7

0.00Emoji0.00

0.52Headings0.47

0.28Transitions0.38

Based on 23 + 12 text responses

Research

What we learned reading every model

Grok 3 Beta and o3 Mini 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

o3 Mini vs MiniMax M3New provider

o3 Mini vs Llama 4 MaverickNew provider

o3 Mini vs Gemini 2.5 Pro (I/O Edition)New provider