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Claude Opus 4.5 vs Gemini 3.2 Flash

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 4.5Gemini 3.2 Flash
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 No

Frequently Asked Questions

Which is better for coding, Claude Opus 4.5 or Gemini 3.2 Flash?

Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while Gemini 3.2 Flash scores N/A.

Which has a larger context window?

Claude Opus 4.5 supports 200K context, while Gemini 3.2 Flash supports 128K.

Is Claude Opus 4.5 or Gemini 3.2 Flash open source?

Claude Opus 4.5 is proprietary. Gemini 3.2 Flash is proprietary.

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