GLM 5.3 Prime vs Kimi K3

Price, context window & benchmark comparison

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GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
VS
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Kimi K3

Moonshot AI
$3.00 / $15.00
Input / Output · per 1M tokens
Compare different models
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Verdict: GLM 5.3 Prime is 28% cheaper than Kimi K3 on a typical 3:1 input/output mix. Kimi K3 has the larger context window (1M vs 1M).
GLM 5.3 PrimeKimi K3
Input price / 1M$2.80$3.00
Output price / 1M$8.80$15.00
Blended price (3:1)$4.30$6.00
Cached input / 1M$0.56$0.30
Context window1M1M
Max output131K944K
Intelligence index43.6
Coding index76.2
Providers120
Best provider uptime (30m)100.0%100.0%
Vision inputNoYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-232026-07-16
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FAQ

Which is cheaper, GLM 5.3 Prime or Kimi K3?

GLM 5.3 Prime is 28% cheaper than Kimi K3 on a typical 3:1 input/output mix.

GLM 5.3 Prime vs Kimi K3: which has a bigger context window?

GLM 5.3 Prime: 1,000,000 tokens. Kimi K3: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, Kimi K3 ≈ $13,500.

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