Question 1

What is the difference between Gemini 2.5 Pro Experimental and GPT-5?

Accepted Answer

Gemini 2.5 Pro Experimental is developed by Google AI while GPT-5 is developed by OpenAI. Gemini 2.5 Pro Experimental has a 1.0M token context window vs GPT-5's 400K. in 62 community votes on RIVAL, Gemini 2.5 Pro Experimental wins 62% of head-to-head matchups. These results are based on blind head-to-head voting across 38 challenges.

Question 2

Which is better, Gemini 2.5 Pro Experimental or GPT-5?

Accepted Answer

Based on 62 community votes on RIVAL, Gemini 2.5 Pro Experimental wins 62% of head-to-head matchups against GPT-5. Gemini 2.5 Pro Experimental is strongest in Web Design, Reasoning, Conversation.

Question 3

How much does Gemini 2.5 Pro Experimental cost compared to GPT-5?

Accepted Answer

Gemini 2.5 Pro Experimental costs $1/M input tokens and GPT-5 costs $1.25/M input tokens. Gemini 2.5 Pro Experimental is $0.25/M cheaper per input. Gemini 2.5 Pro Experimental also wins more often in community votes, making it the better value.

Question 4

How are Gemini 2.5 Pro Experimental 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. 62 votes have been collected for this pair across 38 challenges. All vote data is part of RIVAL's open dataset.