GLM 5.3 FlashX vs Muse Spark 1.3
Price, context window & benchmark comparison
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Verdict: GLM 5.3 FlashX is 3.4× cheaper than Muse Spark 1.3 on a typical 3:1 input/output mix.
| GLM 5.3 FlashX | Muse Spark 1.3 | |
|---|---|---|
| Input price / 1M | $0.37 | $1.25 |
| Output price / 1M | $1.25 | $4.25 |
| Blended price (3:1) | $0.59 | $2.00 |
| Cached input / 1M | $0.09 | $0.15 |
| Context window | 1M | 1M |
| Max output | 131K | 944K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-18 | 2026-09-02 |
| Retirement | — | — |
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FAQ
Which is cheaper, GLM 5.3 FlashX or Muse Spark 1.3?
GLM 5.3 FlashX is 3.4× cheaper than Muse Spark 1.3 on a typical 3:1 input/output mix.
GLM 5.3 FlashX vs Muse Spark 1.3: which has a bigger context window?
GLM 5.3 FlashX: 1,048,576 tokens. Muse Spark 1.3: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX ≈ $1,365, Muse Spark 1.3 ≈ $4,625.
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