DeepSeek V4.1 Flash vs Kimi K2 0905

Price, context window & benchmark comparison

DeepSeek

DeepSeek V4.1 Flash

DeepSeek
$0.14 / $0.42
Input / Output · per 1M tokens
VS
Moonshot AI

Kimi K2 0905

Moonshot AI
$0.60 / $2.50
Input / Output · per 1M tokens
Compare different models
DeepSeek
Moonshot AI
Verdict: DeepSeek V4.1 Flash is 5.1× cheaper than Kimi K2 0905 on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 262K).
DeepSeek V4.1 FlashKimi K2 0905
Input price / 1M$0.14$0.60
Output price / 1M$0.42$2.50
Blended price (3:1)$0.21$1.07
Cached input / 1M$0.0042
Context window1M262K
Max output131K98K
Intelligence index39.5
Coding index
Providers26
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesNo
Tool callingYesYes
Released2026-09-102025-09-04
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FAQ

Which is cheaper, DeepSeek V4.1 Flash or Kimi K2 0905?

DeepSeek V4.1 Flash is 5.1× cheaper than Kimi K2 0905 on a typical 3:1 input/output mix.

DeepSeek V4.1 Flash vs Kimi K2 0905: which has a bigger context window?

DeepSeek V4.1 Flash: 1,048,576 tokens. Kimi K2 0905: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4.1 Flash ≈ $490.00, Kimi K2 0905 ≈ $2,450.

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