GLM-5.2 vs Muse Spark 1.1: Specs & Benchmark Comparison
GLM-5.2 is developed by Zhipu AI, while Muse Spark 1.1 comes from Meta. GLM-5.2 was released in June 2026, and Muse Spark 1.1 followed a month later in July 2026. GLM-5.2 has a published size of about 753 billion parameters; Meta has not disclosed the parameter count of Muse Spark 1.1.
We have 4 benchmark results for GLM-5.2 and 4 benchmark results for Muse Spark 1.1, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
On price the two are close: GLM-5.2 costs $1.40 per million input tokens and $4.40 per million output tokens, Muse Spark 1.1 $1.25 and $4.25. Both accept a context window of about 1M tokens. GLM-5.2 accepts text as input, while Muse Spark 1.1 accepts text and images.
| Characteristic | GLM-5.2 | Muse Spark 1.1 |
|---|---|---|
| Company | Zhipu AI | Meta |
| Release Date | June 16, 2026 | July 9, 2026 |
| Parameters | 753B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 131K | 131K |
| Input Price / 1M | $1.40 | $1.25 |
| Output Price / 1M | $4.40 | $4.25 |
| Average Score | 94.3% | 84.3% |
Verdict
Muse Spark 1.1 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: GLM-5.2 — 0.9, Muse Spark 1.1 — 0.8.
Muse Spark 1.1 is 1.1x cheaper: input $1.25/1M vs $1.40/1M tokens.
GLM-5.2 supports a larger context: 1M vs 1M tokens.
Muse Spark 1.1 is newer: released 7/9/2026 vs 6/16/2026.
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Frequently Asked Questions
Which is better for coding — GLM-5.2 or Muse Spark 1.1?
Which model is cheaper — GLM-5.2 or Muse Spark 1.1?
Which has a larger context window — GLM-5.2 or Muse Spark 1.1?
The GLM-5.2 and Muse Spark 1.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.2 or Muse Spark 1.1 page. See also the complete list of AI model comparisons.