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Gemini 3.6 Flash vs Grok 4.5

Grok 4.5 leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

Grok 4.5

Faster

Tie

Detailed Comparison

CategoryGemini 3.6 FlashGrok 4.5
ProviderGoogle xAI
Context Window1M WIN128K
Input Price ($/1M)$0.35 $0.2 WIN
Output Price ($/1M)$1.05 $1 WIN
Arena ELON/A N/A
CodingN/A N/A
ReasoningN/A N/A
Speed (tokens/sec)N/A N/A
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Gemini 3.6 Flash or Grok 4.5?

Grok 4.5 is approximately 14% cheaper than Gemini 3.6 Flash per million tokens.

Which has a larger context window?

Gemini 3.6 Flash supports 1M context, while Grok 4.5 supports 128K.

Is Gemini 3.6 Flash or Grok 4.5 open source?

Gemini 3.6 Flash is proprietary. Grok 4.5 is proprietary.

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