Gemini 2.5 Pro vs Gemma 4

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

Category	Gemini 2.5 Pro	Gemma 4
Provider	Google	Google
Context Window	1M WIN	128K
Input Price ($/1M)	$1.25 WIN	N/A
Output Price ($/1M)	$10 WIN	N/A
Arena ELO	1360 WIN	N/A
Coding	75.6% LiveCodeBench	N/A
Reasoning	84.6% GPQA Diamond	N/A
Speed (tokens/sec)	~60 t/s WIN	N/A
Open Source	No	Yes

Frequently Asked Questions

Which is better for coding, Gemini 2.5 Pro or Gemma 4?

Gemini 2.5 Pro scores 75.6% LiveCodeBench on coding benchmarks, while Gemma 4 scores N/A.

Which has a larger context window?

Gemini 2.5 Pro supports 1M context, while Gemma 4 supports 128K.

Is Gemini 2.5 Pro or Gemma 4 open source?

Gemini 2.5 Pro is proprietary. Gemma 4 is open source.

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