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Gemini 2.5 Flash vs LongCat-2.0

Gemini 2.5 Flash leads in 5 of 8 categories

Arena ELO

Gemini 2.5 Flash

Cheaper

Gemini 2.5 Flash

Faster

Gemini 2.5 Flash

Detailed Comparison

CategoryGemini 2.5 FlashLongCat-2.0
ProviderGoogle Meituan
Context Window1M WIN128K
Input Price ($/1M)$0.3 WINN/A
Output Price ($/1M)$2.5 WINN/A
Arena ELO1362 WINN/A
Codingunknown N/A
Reasoningunknown N/A
Speed (tokens/sec)~150 t/s WINN/A
Open SourceNo Yes

Frequently Asked Questions

Which is better for coding, Gemini 2.5 Flash or LongCat-2.0?

Gemini 2.5 Flash scores unknown on coding benchmarks, while LongCat-2.0 scores N/A.

Which has a larger context window?

Gemini 2.5 Flash supports 1M context, while LongCat-2.0 supports 128K.

Is Gemini 2.5 Flash or LongCat-2.0 open source?

Gemini 2.5 Flash is proprietary. LongCat-2.0 is open source.

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