GLM 5.3 Flash vs Muse Spark 1.1

Price, context window & benchmark comparison

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GLM 5.3 Flash

Z.ai (Zhipu)
$0.15 / $0.50
Input / Output · per 1M tokens
VS
M

Muse Spark 1.1

Meta
$1.25 / $4.25
Input / Output · per 1M tokens
Compare different models
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Verdict: GLM 5.3 Flash is 8.4× cheaper than Muse Spark 1.1 on a typical 3:1 input/output mix. GLM 5.3 Flash scores higher on the Artificial Analysis Intelligence Index (41.8 vs 33.7). GLM 5.3 Flash has the larger context window (1.3M vs 1M).
GLM 5.3 FlashMuse Spark 1.1
Input price / 1M$0.15$1.25
Output price / 1M$0.50$4.25
Blended price (3:1)$0.24$2.00
Cached input / 1M$0.05$0.15
Context window1.3M1M
Max output944K944K
Intelligence index41.833.7
Coding index71.571.3
Providers31
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-08-262026-07-16
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FAQ

Which is cheaper, GLM 5.3 Flash or Muse Spark 1.1?

GLM 5.3 Flash is 8.4× cheaper than Muse Spark 1.1 on a typical 3:1 input/output mix.

GLM 5.3 Flash vs Muse Spark 1.1: which has a bigger context window?

GLM 5.3 Flash: 1,310,720 tokens. Muse Spark 1.1: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GLM 5.3 Flash ≈ $550.00, Muse Spark 1.1 ≈ $4,625.

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