Question 1

What is the difference between Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.1 Pro Preview?

Accepted Answer

Both are developed by Google AI but target different use cases. Gemini 2.5 Flash Preview 05-20 (thinking) has a 1.0M token context window vs Gemini 3.1 Pro Preview's 1.0M. You can compare their actual outputs across 11 challenges on RIVAL to see how they differ in practice.

Question 2

Which is better, Gemini 2.5 Flash Preview 05-20 (thinking) or Gemini 3.1 Pro Preview?

Accepted Answer

It depends on your use case. Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.1 Pro Preview each have strengths in different areas. RIVAL lets you compare their real outputs side-by-side across 11 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 Gemini 3.1 Pro Preview?

Accepted Answer

Gemini 2.5 Flash Preview 05-20 (thinking) costs $0.15/M input tokens and Gemini 3.1 Pro Preview costs $2/M input tokens. Gemini 2.5 Flash Preview 05-20 (thinking) is $1.85/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 Gemini 3.1 Pro Preview on RIVAL?

Accepted Answer

This page shows a side-by-side comparison of Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.1 Pro Preview 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 Gemini 3.1 Pro Preview

What is the difference between Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.1 Pro Preview?

Which is better, Gemini 2.5 Flash Preview 05-20 (thinking) or Gemini 3.1 Pro Preview?

How much does Gemini 2.5 Flash Preview 05-20 (thinking) cost compared to Gemini 3.1 Pro Preview?

How can I compare Gemini 2.5 Flash Preview 05-20 (thinking) and Gemini 3.1 Pro Preview on RIVAL?