Grok 3 Mini Beta vs Gemini 2.5 Flash Preview (thinking)
Compare Grok 3 Mini Beta by xAI against Gemini 2.5 Flash Preview (thinking) by Google AI, in 61 community votes, grok 3 mini beta wins 58% of head-to-head duels, context windows of 131K vs 1.0M, tested across 6 shared challenges. Updated March 2026.
Which is better, Grok 3 Mini Beta or Gemini 2.5 Flash Preview (thinking)?
Grok 3 Mini Beta is the better choice overall, winning 58% of 61 blind community votes on Rival. Grok 3 Mini Beta costs $0.4/M input tokens vs $0.175/M for Gemini 2.5 Flash Preview (thinking). Context windows: 131K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Grok 3 Mini Beta and Gemini 2.5 Flash Preview (thinking)
Grok 3 Mini Beta is made by xai while Gemini 2.5 Flash Preview (thinking) is from google. Grok 3 Mini Beta has a 131K token context window compared to Gemini 2.5 Flash Preview (thinking)'s 1049K. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $0.175/M for Gemini 2.5 Flash Preview (thinking). In community voting, In 61 community votes, Grok 3 Mini Beta wins 58% of head-to-head duels.
In 61 community votes, Grok 3 Mini Beta wins 58% of head-to-head duels. Grok 3 Mini Beta leads in Image Generation, while Gemini 2.5 Flash Preview (thinking) leads in Web Design. Based on blind community voting from the Rival open dataset of 61+ human preference judgments for this pair.
Image Generation: Grok 3 Mini Beta wins 75% of votes
Web Design: Gemini 2.5 Flash Preview (thinking) wins 63% of votes
Our Verdict
Grok 3 Mini BetaWinner
Gemini 2.5 Flash Preview (thinking)Runner-up
Pick Grok 3 Mini Beta. In 61 blind votes, Grok 3 Mini Beta wins 58% of the time. That's not luck.
Pick Grok 3 Mini Beta for Image Generation. Pick Gemini 2.5 Flash Preview (thinking) for Web Design. Grok 3 Mini Beta is 4.4x cheaper per token — worth considering if cost matters.
Clear winner
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