DeepSeek V4.1 Flash vs Kimi K3

Price, context window & benchmark comparison

DeepSeek V4.1 Flash

DeepSeek

$0.14 / $0.42

Input / Output · per 1M tokens

Kimi K3

Moonshot AI

$3.00 / $15.00

Input / Output · per 1M tokens

Compare different models

Verdict: DeepSeek V4.1 Flash is 28.6× cheaper than Kimi K3 on a typical 3:1 input/output mix. Kimi K3 scores higher on the Artificial Analysis Intelligence Index (43.6 vs 39.5).

	DeepSeek V4.1 Flash	Kimi K3
Input price / 1M	$0.14	$3.00
Output price / 1M	$0.42	$15.00
Blended price (3:1)	$0.21	$6.00
Cached input / 1M	$0.0042	$0.30
Context window	1M	1M
Max output	131K	944K
Intelligence index	39.5	43.6
Coding index	—	76.2
Providers	26	20
Best provider uptime (30m)	100.0%	100.0%
Vision input	Yes	Yes
Reasoning	Yes	Yes
Tool calling	Yes	Yes
Released	2026-09-10	2026-07-16
Retirement	—	—

Cost calculator

Input tokens / requestOutput tokens / requestRequests / day

FAQ

Which is cheaper, DeepSeek V4.1 Flash or Kimi K3?

DeepSeek V4.1 Flash is 28.6× cheaper than Kimi K3 on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs Kimi K3: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. Kimi K3: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, Kimi K3 ≈ $13,500.

DeepSeek V4.1 Flash vs Kimi K3