← All Models

Gemini 3.5 Flash vs Grok 4

Gemini 3.5 Flash leads in 3 of 8 categories

Arena ELO

Grok 4

Cheaper

Gemini 3.5 Flash

Faster

Grok 4

Detailed Comparison

CategoryGemini 3.5 FlashGrok 4
ProviderGoogle xAI
Context Window1M WIN256K
Input Price ($/1M)$1.5 WIN$5
Output Price ($/1M)$9 WIN$25
Arena ELON/A 1330 WIN
CodingN/A unknown
ReasoningN/A unknown
Speed (tokens/sec)N/A ~45 t/s WIN
Open SourceNo No

Frequently Asked Questions

Which is cheaper, Gemini 3.5 Flash or Grok 4?

Gemini 3.5 Flash is approximately 65% cheaper than Grok 4 per million tokens.

Which is better for coding, Gemini 3.5 Flash or Grok 4?

Gemini 3.5 Flash scores N/A on coding benchmarks, while Grok 4 scores unknown.

Which has a larger context window?

Gemini 3.5 Flash supports 1M context, while Grok 4 supports 256K.

Is Gemini 3.5 Flash or Grok 4 open source?

Gemini 3.5 Flash is proprietary. Grok 4 is proprietary.