Kimi K3 vs Mistral Medium 3.5

Price, context window & benchmark comparison

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Kimi K3

Moonshot AI
$3.00 / $15.00
Input / Output · per 1M tokens
VS
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Mistral Medium 3.5

Mistral AI
$1.50 / $7.50
Input / Output · per 1M tokens
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Verdict: Mistral Medium 3.5 is 2.0× 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 14.2). Kimi K3 has the larger context window (1M vs 262K).
Kimi K3Mistral Medium 3.5
Input price / 1M$3.00$1.50
Output price / 1M$15.00$7.50
Blended price (3:1)$6.00$3.00
Cached input / 1M$0.30
Context window1M262K
Max output944K210K
Intelligence index43.614.2
Coding index76.246.9
Providers202
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-07-162026-04-30
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FAQ

Which is cheaper, Kimi K3 or Mistral Medium 3.5?

Mistral Medium 3.5 is 2.0× cheaper than Kimi K3 on a typical 3:1 input/output mix.

Kimi K3 vs Mistral Medium 3.5: which has a bigger context window?

Kimi K3: 1,048,576 tokens. Mistral Medium 3.5: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Kimi K3 ≈ $13,500, Mistral Medium 3.5 ≈ $6,750.

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