GLM 5.3 Prime vs Solar Pro 3

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 3

Upstage
$0.15 / $0.60
Input / Output · per 1M tokens
Compare different models
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Verdict: Solar Pro 3 is 16.4× 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 131K).
GLM 5.3 PrimeSolar Pro 3
Input price / 1M$2.80$0.15
Output price / 1M$8.80$0.60
Blended price (3:1)$4.30$0.26
Cached input / 1M$0.56$0.015
Context window1M131K
Max output131K118K
Intelligence index7.8
Coding index16.2
Providers1
Best provider uptime (30m)100.0%
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-232026-01-27
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FAQ

Which is cheaper, GLM 5.3 Prime or Solar Pro 3?

Solar Pro 3 is 16.4× cheaper than GLM 5.3 Prime on a typical 3:1 input/output mix.

GLM 5.3 Prime vs Solar Pro 3: which has a bigger context window?

GLM 5.3 Prime: 1,000,000 tokens. Solar Pro 3: 131,072 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 3 ≈ $600.00.

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