GLM 5.3 Prime vs Solar Pro 4

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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Solar Pro 4

Upstage
$0.09 / $0.36
Input / Output · per 1M tokens
Compare different models
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Verdict: Solar Pro 4 is 27.3× 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 524K).
GLM 5.3 PrimeSolar Pro 4
Input price / 1M$2.80$0.09
Output price / 1M$8.80$0.36
Blended price (3:1)$4.30$0.16
Cached input / 1M$0.56$0.018
Context window1M524K
Max output131K131K
Intelligence index
Coding index52.7
Providers1
Best provider uptime (30m)100.0%
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-232026-08-10
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FAQ

Which is cheaper, GLM 5.3 Prime or Solar Pro 4?

Solar Pro 4 is 27.3× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

GLM 5.3 Prime vs Solar Pro 4: which has a bigger context window?

GLM 5.3 Prime: 1,000,000 tokens. Solar Pro 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Prime ≈ $10,000, Solar Pro 4 ≈ $360.00.

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