DeepSeek-V4-Flash-0731 vs Kimi K3

Kimi K3 leads in 4 of 8 categories

Arena ELO

Kimi K3

Cheaper

Kimi K3

Faster

Tie

Detailed Comparison

Category	DeepSeek-V4-Flash-0731	Kimi K3
Provider	DeepSeek	Moonshot AI
Context Window	uncertain	128K WIN
Input Price ($/1M)	N/A	$0.6 WIN
Output Price ($/1M)	N/A	$2.5 WIN
Arena ELO	N/A	1679 WIN
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 has a larger context window?

DeepSeek-V4-Flash-0731 supports uncertain context, while Kimi K3 supports 128K.

Is DeepSeek-V4-Flash-0731 or Kimi K3 open source?

DeepSeek-V4-Flash-0731 is open source. Kimi K3 is open source.

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