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Claude Opus 4.5 vs Gemma 4

Claude Opus 4.5 leads in 5 of 8 categories

Arena ELO

Claude Opus 4.5

Cheaper

Claude Opus 4.5

Faster

Claude Opus 4.5

Detailed Comparison

CategoryClaude Opus 4.5Gemma 4
ProviderAnthropic Google
Context Window200K WIN128K
Input Price ($/1M)$5 WINN/A
Output Price ($/1M)$25 WINN/A
Arena ELO1380 WINN/A
Coding80.9% SWE-bench N/A
Reasoningunknown N/A
Speed (tokens/sec)~35 t/s WINN/A
Open SourceNo Yes

Frequently Asked Questions

Which is better for coding, Claude Opus 4.5 or Gemma 4?

Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while Gemma 4 scores N/A.

Which has a larger context window?

Claude Opus 4.5 supports 200K context, while Gemma 4 supports 128K.

Is Claude Opus 4.5 or Gemma 4 open source?

Claude Opus 4.5 is proprietary. Gemma 4 is open source.