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Gemini 2.5 Flash vs Grok 3

Gemini 2.5 Flash leads in 5 of 8 categories

Arena ELO

Gemini 2.5 Flash

Cheaper

Gemini 2.5 Flash

Faster

Gemini 2.5 Flash

Detailed Comparison

CategoryGemini 2.5 FlashGrok 3
ProviderGoogle xAI
Context Window1M WIN131K
Input Price ($/1M)$0.3 WIN$3
Output Price ($/1M)$2.5 WIN$15
Arena ELO1362 WIN1325
Codingunknown unknown
Reasoningunknown 93.3% AIME 2025
Speed (tokens/sec)~150 t/s WIN~55 t/s
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Gemini 2.5 Flash or Grok 3?

Gemini 2.5 Flash is approximately 84% cheaper than Grok 3 per million tokens.

Which is better for coding, Gemini 2.5 Flash or Grok 3?

Gemini 2.5 Flash scores unknown on coding benchmarks, while Grok 3 scores unknown.

Which has a larger context window?

Gemini 2.5 Flash supports 1M context, while Grok 3 supports 131K.

Is Gemini 2.5 Flash or Grok 3 open source?

Gemini 2.5 Flash is proprietary. Grok 3 is proprietary.

Which ranks higher on the Chatbot Arena leaderboard?

Gemini 2.5 Flash ranks higher with ELO 1362 vs 1325.