What is the difference between GPT-5 Mini and Grok 4.1 Fast?

GPT-5 Mini is developed by OpenAI while Grok 4.1 Fast is developed by xAI. in 8 community votes on Rival, Grok 4.1 Fast wins 75% of head-to-head matchups. These results are based on blind head-to-head voting across 55 challenges.

Which is better, GPT-5 Mini or Grok 4.1 Fast?

Based on 8 community votes on Rival, Grok 4.1 Fast wins 75% of head-to-head matchups against GPT-5 Mini. Grok 4.1 Fast is strongest in Web Design.

How are GPT-5 Mini vs Grok 4.1 Fast votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 8 votes have been collected for this pair across 55 challenges. All vote data is part of Rival's open dataset.

What is the difference between GPT-5 Mini and Grok 4.1 Fast?

GPT-5 Mini is developed by OpenAI while Grok 4.1 Fast is developed by xAI. in 8 community votes on Rival, Grok 4.1 Fast wins 75% of head-to-head matchups. These results are based on blind head-to-head voting across 55 challenges.

Which is better, GPT-5 Mini or Grok 4.1 Fast?

Based on 8 community votes on Rival, Grok 4.1 Fast wins 75% of head-to-head matchups against GPT-5 Mini. Grok 4.1 Fast is strongest in Web Design.

How are GPT-5 Mini vs Grok 4.1 Fast votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 8 votes have been collected for this pair across 55 challenges. All vote data is part of Rival's open dataset.

GPT-5 Mini vs Grok 4.1 Fast: Which Is Better?

Updated Nov 2025

Our Verdict

Grok 4.1 FastWinner

GPT-5 MiniRunner-up

Pick Grok 4.1 Fast. In 8 blind votes, Grok 4.1 Fast wins 75% of the time. That's not luck.

Grok 4.1 Fast particularly excels in Web Design.

Clear winner

API pricing

Cost per 1M tokens

GPT-5 Mini

Input

$0.25

Output

$2.00

Grok 4.1 Fast

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

76%

Grok 4.1 Fast uses 466.5x more bold

GPT-5 Mini

Grok 4.1 Fast

62%Vocabulary67%

21wSentence Length15w

0.16Hedging0.17

0.0Bold4.7

3.4Lists3.7

0.00Emoji0.00

0.00Headings0.99

0.05Transitions0.14

Based on 15 + 24 text responses

Research

What we learned reading every model

GPT-5 Mini and Grok 4.1 Fast 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-5 Mini vs MiniMax M3New provider

GPT-5 Mini vs Llama 4 MaverickNew provider

GPT-5 Mini vs Gemini 2.5 Pro (I/O Edition)New provider

Updated Nov 2025

Our Verdict

Grok 4.1 FastWinner

GPT-5 MiniRunner-up

Pick Grok 4.1 Fast. In 8 blind votes, Grok 4.1 Fast wins 75% of the time. That's not luck.

Grok 4.1 Fast particularly excels in Web Design.

Clear winner

API pricing

Cost per 1M tokens

GPT-5 Mini

Input

$0.25

Output

$2.00

Grok 4.1 Fast

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

76%

Grok 4.1 Fast uses 466.5x more bold

GPT-5 Mini

Grok 4.1 Fast

62%Vocabulary67%

21wSentence Length15w

0.16Hedging0.17

0.0Bold4.7

3.4Lists3.7

0.00Emoji0.00

0.00Headings0.99

0.05Transitions0.14

Based on 15 + 24 text responses

Research

What we learned reading every model

GPT-5 Mini and Grok 4.1 Fast 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-5 Mini vs MiniMax M3New provider

GPT-5 Mini vs Llama 4 MaverickNew provider

GPT-5 Mini vs Gemini 2.5 Pro (I/O Edition)New provider