Question 1

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

Accepted Answer

Both are developed by OpenAI but target different use cases. in 1 community votes on RIVAL, GPT-4.1 Nano wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 38 challenges.

Question 2

Which is better, GPT-5 Mini or GPT-4.1 Nano?

Accepted Answer

Based on 1 community votes on RIVAL, GPT-4.1 Nano wins 100% of head-to-head matchups against GPT-5 Mini.

Question 3

How much does GPT-5 Mini cost compared to GPT-4.1 Nano?

Accepted Answer

GPT-5 Mini costs $0.25/M input tokens and GPT-4.1 Nano costs $0.1/M input tokens. GPT-4.1 Nano is $0.15/M cheaper per input. GPT-4.1 Nano also wins more often in community votes, making it the better value.

Question 4

How are GPT-5 Mini vs GPT-4.1 Nano votes collected on RIVAL?

Accepted Answer

RIVAL presents both models' outputs side-by-side in blind duels — voters see the responses but don't know which model produced each one. This eliminates brand bias. 1 votes have been collected for this pair across 38 challenges. All vote data is part of RIVAL's open dataset.