GLM 5.3 Flash vs Muse Spark 1.2 Contributor

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
Meta

Muse Spark 1.2 Contributor

Meta
$0.10 / $0.20
Input / Output · per 1M tokens
Compare different models
Z.ai (Zhipu)
Meta
Verdict: GLM 5.3 Flash is 2.5× cheaper than Muse Spark 1.2 Contributor on a typical 3:1 input/output mix.
GLM 5.3 FlashMuse Spark 1.2 Contributor
Input price / 1M$0.0399$0.10
Output price / 1M$0.0784$0.20
Blended price (3:1)$0.0495$0.13
Cached input / 1M$0.03$0.002
Context window1M1M
Max output131K944K
Intelligence index27.8—
Coding index71.5—
Providers42—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-08-262026-08-21
Retirement——

Cost calculator

FAQ

Which is cheaper, GLM 5.3 Flash or Muse Spark 1.2 Contributor?

GLM 5.3 Flash is 2.5× cheaper than Muse Spark 1.2 Contributor on a typical 3:1 input/output mix.

GLM 5.3 Flash vs Muse Spark 1.2 Contributor: which has a bigger context window?

GLM 5.3 Flash: 1,048,576 tokens. Muse Spark 1.2 Contributor: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $119.00, Muse Spark 1.2 Contributor ≈ $300.00.

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