GLM 5.3 Flash vs Solar Mini 4

Price, context window & benchmark comparison

Z.ai (Zhipu)

GLM 5.3 Flash

Z.ai (Zhipu)
$0.0399 / $0.0784
Input / Output · per 1M tokens
VS
Upstage

Solar Mini 4

Upstage
$0.05 / $0.20
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
Upstage
Verdict: GLM 5.3 Flash is 43% cheaper than Solar Mini 4 on a typical 3:1 input/output mix. GLM 5.3 Flash has the larger context window (1M vs 524K).
GLM 5.3 FlashSolar Mini 4
Input price / 1M$0.0399$0.05
Output price / 1M$0.0784$0.20
Blended price (3:1)$0.0495$0.0875
Cached input / 1M$0.03$0.005
Context window1M524K
Max output131K131K
Intelligence index27.8—
Coding index71.5—
Providers42—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-08-262026-09-23
Retirement——

Cost calculator

FAQ

Which is cheaper, GLM 5.3 Flash or Solar Mini 4?

GLM 5.3 Flash is 43% cheaper than Solar Mini 4 on a typical 3:1 input/output mix.

GLM 5.3 Flash vs Solar Mini 4: which has a bigger context window?

GLM 5.3 Flash: 1,048,576 tokens. Solar Mini 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $119.00, Solar Mini 4 ≈ $200.00.

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