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Gemini 2.5 Pro vs Grok 4.5

Gemini 2.5 Pro leads in 5 of 8 categories

Arena ELO

Gemini 2.5 Pro

Cheaper

Gemini 2.5 Pro

Faster

Gemini 2.5 Pro

Detailed Comparison

CategoryGemini 2.5 ProGrok 4.5
ProviderGoogle xAI
Context Window1M WIN128K
Input Price ($/1M)$1.25 WINN/A
Output Price ($/1M)$10 WINN/A
Arena ELO1360 WINN/A
Coding75.6% LiveCodeBench N/A
Reasoning84.6% GPQA Diamond N/A
Speed (tokens/sec)~60 t/s WINN/A
Open SourceNo No

Frequently Asked Questions

Which is better for coding, Gemini 2.5 Pro or Grok 4.5?

Gemini 2.5 Pro scores 75.6% LiveCodeBench on coding benchmarks, while Grok 4.5 scores N/A.

Which has a larger context window?

Gemini 2.5 Pro supports 1M context, while Grok 4.5 supports 128K.

Is Gemini 2.5 Pro or Grok 4.5 open source?

Gemini 2.5 Pro is proprietary. Grok 4.5 is proprietary.