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Kimi K2 vs LongCat-2.0

Kimi K2 leads in 4 of 8 categories

Arena ELO

Kimi K2

Cheaper

Kimi K2

Faster

Kimi K2

Detailed Comparison

CategoryKimi K2LongCat-2.0
ProviderMoonshot Meituan
Context Window128K 128K
Input Price ($/1M)$0.55 WINN/A
Output Price ($/1M)$2.2 WINN/A
Arena ELO1380 WINN/A
Coding65.8% SWE-bench N/A
Reasoning60.2% BrowseComp N/A
Speed (tokens/sec)~50 t/s WINN/A
Open SourceYes Yes

Frequently Asked Questions

Which is better for coding, Kimi K2 or LongCat-2.0?

Kimi K2 scores 65.8% SWE-bench on coding benchmarks, while LongCat-2.0 scores N/A.

Which has a larger context window?

Kimi K2 supports 128K context, while LongCat-2.0 supports 128K.

Is Kimi K2 or LongCat-2.0 open source?

Kimi K2 is open source. LongCat-2.0 is open source.