GLM-5.3 Flash vs Muse Spark 1.2: Specs & Benchmark Comparison
| Characteristic | GLM-5.3 Flash | Muse Spark 1.2 |
|---|---|---|
| Company | Zhipu AI | Meta |
| Release Date | August 26, 2026 | August 5, 2026 |
| Parameters | 320B | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 131K | 131K |
| Input Price / 1M | $0.15 | $0.10 |
| Output Price / 1M | $0.50 | $0.20 |
| Average Score | 0.6 | 0.7 |
| Benchmarks | ||
| DeepSWE 1.1 | 0.6 | 0.6 |
| Terminal-Bench 2.1 | 0.8 | 0.8 |
Visual Benchmark Comparison
GLM-5.3 Flash
Muse Spark 1.2
DeepSWE 1.10.6 vs 0.6
0.6
0.6
Terminal-Bench 2.10.8 vs 0.8
0.8
0.8
Verdict
GLM-5.3 Flash leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GLM-5.3 Flash — 0.6, Muse Spark 1.2 — 0.7.
API Cost
Muse Spark 1.2 is 2.2x cheaper: input $0.10/1M vs $0.15/1M tokens.
Context Window
GLM-5.3 Flash supports a larger context: 1M vs 1M tokens.
Recency
GLM-5.3 Flash is newer: released 8/26/2026 vs 8/5/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — GLM-5.3 Flash 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-5.3 Flash or Muse Spark 1.2?
Muse Spark 1.2 is cheaper for input: $0.10 per 1M tokens vs $0.15.
Which has a larger context window — GLM-5.3 Flash or Muse Spark 1.2?
GLM-5.3 Flash supports a larger context: 1,048,576 tokens vs 1,000,000.
The GLM-5.3 Flash 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-5.3 Flash or Muse Spark 1.2 page. See also the complete list of AI model comparisons.