GLM-5.1 vs Muse Spark 1.2: Specs & Benchmark Comparison
| Characteristic | GLM-5.1 | Muse Spark 1.2 |
|---|---|---|
| Company | Zhipu AI | Meta |
| Release Date | April 7, 2026 | August 5, 2026 |
| Parameters | 754B | — |
| Multimodal | No | Yes |
| Context (input) | 200K | 1.0M |
| Context (output) | 131K | 131K |
| Input Price / 1M | $1.40 | $0.10 |
| Output Price / 1M | $4.40 | $0.20 |
| Average Score | 0.9 | 0.7 |
Verdict
Muse Spark 1.2 leads in 3 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GLM-5.1 — 0.9, Muse Spark 1.2 — 0.7.
API Cost
Muse Spark 1.2 is 19.3x cheaper: input $0.10/1M vs $1.40/1M tokens.
Context Window
Muse Spark 1.2 supports a larger context: 1M vs 200K tokens.
Recency
Muse Spark 1.2 is newer: released 8/5/2026 vs 4/7/2026.
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Frequently Asked Questions
Which is better for coding — GLM-5.1 or Muse Spark 1.2?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.1 or Muse Spark 1.2?
Muse Spark 1.2 is cheaper for input: $0.10 per 1M tokens vs $1.40.
Which has a larger context window — GLM-5.1 or Muse Spark 1.2?
Muse Spark 1.2 supports a larger context: 1,000,000 tokens vs 200,000.
The GLM-5.1 and Muse Spark 1.2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.1 or Muse Spark 1.2 page. See also the complete list of AI model comparisons.