What is the difference between Grok 3 Mini Beta and Gemini 2.5 Flash Preview (thinking)?

Grok 3 Mini Beta is developed by xAI while Gemini 2.5 Flash Preview (thinking) is developed by Google AI. Grok 3 Mini Beta has a 131K token context window vs Gemini 2.5 Flash Preview (thinking)'s 1.0M. in 61 community votes on RIVAL, Grok 3 Mini Beta wins 58% of head-to-head matchups. These results are based on blind head-to-head voting across 6 challenges.

Which is better, Grok 3 Mini Beta or Gemini 2.5 Flash Preview (thinking)?

Based on 61 community votes on RIVAL, Grok 3 Mini Beta wins 58% of head-to-head matchups against Gemini 2.5 Flash Preview (thinking). Grok 3 Mini Beta is strongest in Image Generation. However, Gemini 2.5 Flash Preview (thinking) leads in Web Design.

How much does Grok 3 Mini Beta cost compared to Gemini 2.5 Flash Preview (thinking)?

Grok 3 Mini Beta costs $0.4/M input tokens and Gemini 2.5 Flash Preview (thinking) costs $0.175/M input tokens. Gemini 2.5 Flash Preview (thinking) is $0.23/M cheaper per input. The more expensive model wins 58% of duels, so the premium may be justified by quality.

How are Grok 3 Mini Beta vs Gemini 2.5 Flash Preview (thinking) votes collected on RIVAL?

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. 61 votes have been collected for this pair across 6 challenges. All vote data is part of RIVAL's open dataset.