Question 1

What is the difference between Grok 3 and GPT-5?

Accepted Answer

Grok 3 is developed by xAI while GPT-5 is developed by OpenAI. Grok 3 has a 128K token context window vs GPT-5's 400K. in 9 community votes on RIVAL, GPT-5 wins 86% of head-to-head matchups. These results are based on blind head-to-head voting across 28 challenges.

Question 2

Which is better, Grok 3 or GPT-5?

Accepted Answer

Based on 9 community votes on RIVAL, GPT-5 wins 86% of head-to-head matchups against Grok 3. GPT-5 is strongest in Reasoning.

Question 3

How are Grok 3 vs GPT-5 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. 9 votes have been collected for this pair across 28 challenges. All vote data is part of RIVAL's open dataset.