Kimi K3 vs LongCat-2.0

LongCat-2.0 leads in 2 of 8 categories

Arena ELO

Tie

Cheaper

LongCat-2.0

Faster

Tie

Detailed Comparison

Category	Kimi K3	LongCat-2.0
Provider	Moonshot AI	Meituan
Context Window	128K	128K
Input Price ($/1M)	$0.6	$0.2 WIN
Output Price ($/1M)	$2.5	$1 WIN
Arena ELO	N/A	N/A
Coding	N/A	N/A
Reasoning	N/A	N/A
Speed (tokens/sec)	N/A	N/A
Open Source	Yes	Yes

Frequently Asked Questions

Which is cheaper, Kimi K3 or LongCat-2.0?

LongCat-2.0 is approximately 61% cheaper than Kimi K3 per million tokens.

Which has a larger context window?

Kimi K3 supports 128K context, while LongCat-2.0 supports 128K.

Is Kimi K3 or LongCat-2.0 open source?

Kimi K3 is open source. LongCat-2.0 is open source.

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