Grok 3 Mini Beta vs Gemini 2.5 Flash Preview 05-20

Compare Grok 3 Mini Beta by xAI against Gemini 2.5 Flash Preview 05-20 by Google AI, context windows of 131K vs 1.0M, tested across 5 shared challenges. Updated March 2026.

Which is better, Grok 3 Mini Beta or Gemini 2.5 Flash Preview 05-20?

Grok 3 Mini Beta and Gemini 2.5 Flash Preview 05-20 are both competitive models. Grok 3 Mini Beta costs $0.4/M input tokens vs $0.15/M for Gemini 2.5 Flash Preview 05-20. 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 05-20

Grok 3 Mini Beta is made by xai while Gemini 2.5 Flash Preview 05-20 is from google. Grok 3 Mini Beta has a 131K token context window compared to Gemini 2.5 Flash Preview 05-20's 1049K. On pricing, Grok 3 Mini Beta costs $0.4/M input tokens vs $0.15/M for Gemini 2.5 Flash Preview 05-20.

Our Verdict
Gemini 2.5 Flash Preview 05-20
Gemini 2.5 Flash Preview 05-20
Grok 3 Mini Beta
Grok 3 Mini BetaRunner-up

No community votes yet. On paper, Gemini 2.5 Flash Preview 05-20 has the edge — bigger model tier, newer, bigger context window.

Slight edge
FAQ

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