Question 1

What is the difference between Gemini 2.5 Pro Preview 06-05 and Claude Sonnet 4?

Accepted Answer

Gemini 2.5 Pro Preview 06-05 is developed by Google AI while Claude Sonnet 4 is developed by Anthropic. Gemini 2.5 Pro Preview 06-05 has a 1.0M token context window vs Claude Sonnet 4's 200K. in 75 community votes on RIVAL, Gemini 2.5 Pro Preview 06-05 wins 57% of head-to-head matchups. These results are based on blind head-to-head voting across 29 challenges.

Question 2

Which is better, Gemini 2.5 Pro Preview 06-05 or Claude Sonnet 4?

Accepted Answer

Based on 75 community votes on RIVAL, Gemini 2.5 Pro Preview 06-05 wins 57% of head-to-head matchups against Claude Sonnet 4. Gemini 2.5 Pro Preview 06-05 is strongest in Web Design, Analysis.

Question 3

How much does Gemini 2.5 Pro Preview 06-05 cost compared to Claude Sonnet 4?

Accepted Answer

Gemini 2.5 Pro Preview 06-05 costs $1.25/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Gemini 2.5 Pro Preview 06-05 is $1.75/M cheaper per input. Gemini 2.5 Pro Preview 06-05 also wins more often in community votes, making it the better value.

Question 4

How are Gemini 2.5 Pro Preview 06-05 vs Claude Sonnet 4 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. 75 votes have been collected for this pair across 29 challenges. All vote data is part of RIVAL's open dataset.