GLM 5 vs GLM 5.3 Prime

Price, context window & benchmark comparison

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GLM 5

Z.ai (Zhipu)
$0.60 / $1.92
Input / Output · per 1M tokens
VS
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GLM 5.3 Prime

Z.ai (Zhipu)
$2.80 / $8.80
Input / Output · per 1M tokens
Compare different models
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Verdict: GLM 5 is 4.6× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix. GLM 5.3 Prime has the larger context window (1M vs 205K).
GLM 5GLM 5.3 Prime
Input price / 1M$0.60$2.80
Output price / 1M$1.92$8.80
Blended price (3:1)$0.93$4.30
Cached input / 1M$0.12$0.56
Context window205K1M
Max output128K131K
Intelligence index
Coding index
Providers1
Best provider uptime (30m)100.0%
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2026-02-112026-09-23
Retirement

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FAQ

Which is cheaper, GLM 5 or GLM 5.3 Prime?

GLM 5 is 4.6× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

GLM 5 vs GLM 5.3 Prime: which has a bigger context window?

GLM 5: 204,800 tokens. GLM 5.3 Prime: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5 ≈ $2,160, GLM 5.3 Prime ≈ $10,000.

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