Question 1

What is the difference between Gemini 2.5 Flash Preview 05-20 (thinking) and Claude Sonnet 4?

Accepted Answer

Gemini 2.5 Flash Preview 05-20 (thinking) is developed by Google AI while Claude Sonnet 4 is developed by Anthropic. Gemini 2.5 Flash Preview 05-20 (thinking) has a 1.0M token context window vs Claude Sonnet 4's 200K. You can compare their actual outputs across 12 challenges on RIVAL to see how they differ in practice.

Question 2

Which is better, Gemini 2.5 Flash Preview 05-20 (thinking) or Claude Sonnet 4?

Accepted Answer

It depends on your use case. Gemini 2.5 Flash Preview 05-20 (thinking) and Claude Sonnet 4 each have strengths in different areas. RIVAL lets you compare their real outputs side-by-side across 12 challenges so you can judge which fits your needs best.

Question 3

How much does Gemini 2.5 Flash Preview 05-20 (thinking) cost compared to Claude Sonnet 4?

Accepted Answer

Gemini 2.5 Flash Preview 05-20 (thinking) costs $0.15/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Gemini 2.5 Flash Preview 05-20 (thinking) is $2.85/M cheaper per input. Check their side-by-side outputs on RIVAL to see if the price difference is justified by quality.

Question 4

How can I compare Gemini 2.5 Flash Preview 05-20 (thinking) and Claude Sonnet 4 on RIVAL?

Accepted Answer

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 (thinking) and Claude Sonnet 4 across shared challenges. You can vote on which model produced the better output, and Pro users can create custom challenges to test both models with their own prompts.

Gemini 2.5 Flash Preview 05-20 (thinking) vs Claude Sonnet 4

What is the difference between Gemini 2.5 Flash Preview 05-20 (thinking) and Claude Sonnet 4?

Which is better, Gemini 2.5 Flash Preview 05-20 (thinking) or Claude Sonnet 4?

How much does Gemini 2.5 Flash Preview 05-20 (thinking) cost compared to Claude Sonnet 4?

How can I compare Gemini 2.5 Flash Preview 05-20 (thinking) and Claude Sonnet 4 on RIVAL?