Model comparison
GLM-4.5V vs Muse Spark 1.1
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 39.8 on the Noometry Index. GLM-4.5V costs 2.2× less per token, which makes it the better buy when Muse Spark 1.1's lead doesn't matter for your workload.
Last verified . 14 shared benchmarks.
MetaSummary
- They share 14 benchmarks with published results for both. GLM-4.5V scores higher in 0 categories and Muse Spark 1.1 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Spark 1.1 leads 73.4 to 52.5.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.1.
- Muse Spark 1.1 accepts more context: 1.05M tokens versus 64K.
- GLM-4.5V has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5V | Muse Spark 1.1 | |
|---|---|---|
| Provider | Z.ai (Zhipu) | Meta |
| Noometry Index | 39.8 | 49.9 |
| Released | 2025-08-11 | 2026-04-08 |
| Weights | Open | Proprietary |
| Context window | 64K | 1.05M |
| Max output | 16K | 131K |
| Input $ / M tokens | $0.60 | $1.25 |
| Output $ / M tokens | $1.80 | $4.25 |
| Results tracked | 15 | 37 |
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Category by category
Coding Muse Spark 1.1 leads
GLM-4.5V: 39.5 (#155), Muse Spark 1.1: 51.3 (#40)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Coding | 1347 | 1498 |
| DeepSWE | — | 53.3% |
| LMArena WebDev | — | 1542 |
| SciCode | — | 58.8% |
Agentic & Tool Use Not comparable
GLM-4.5V: —, Muse Spark 1.1: 30.8 (#73)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| APEX-Agents | — | 31.8% |
| τ²-bench Banking | — | 40.5% |
| GBAEval | — | 7.9% |
| GDP.pdf | — | 15% |
| Vending-Bench 2 | — | 6,520 |
Reasoning Muse Spark 1.1 leads
GLM-4.5V: 27.4 (#119), Muse Spark 1.1: 47.1 (#44)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Hard Prompts | 1334 | 1486 |
| Kagi LLM Benchmark | 59.8% | — |
| NYT Connections (extended) | — | 84.9% |
| CritPt | — | 15.1% |
| DTBench | — | 94.4% |
| LMCA | — | 49.9% |
| Surface Evolver Bench | — | 52.5% |
| Epoch Capabilities Index | — | 154.21 |
Math Muse Spark 1.1 leads
GLM-4.5V: 37.4 (#159), Muse Spark 1.1: 45.5 (#76)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Math | 1354 | 1483 |
| ProofBench | — | 39% |
Knowledge Muse Spark 1.1 leads
GLM-4.5V: 37.5 (#156), Muse Spark 1.1: 53.1 (#59)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Expert | 1353 | 1478 |
| SimpleQA Verified | — | 57.8% |
Multimodal Muse Spark 1.1 leads
GLM-4.5V: 34.3 (#92), Muse Spark 1.1: 42.6 (#29)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Vision | 1154 | 1293 |
| LMArena Document | — | 1465 |
Multilingual Muse Spark 1.1 leads
GLM-4.5V: 44.6 (#177), Muse Spark 1.1: 56.7 (#17)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Non-English | 1303 | 1472 |
| LMArena Chinese | 1337 | 1518 |
| LMArena Russian | 1298 | 1483 |
| LMArena Spanish | 1336 | 1464 |
| LMArena French | — | 1494 |
| LMArena German | — | 1466 |
| LMArena Japanese | — | 1451 |
| LMArena Korean | — | 1458 |
Instruction Following Muse Spark 1.1 leads
GLM-4.5V: 69.2 (#175), Muse Spark 1.1: 76.5 (#39)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Instruction Following | 1311 | 1457 |
Long Context Muse Spark 1.1 leads
GLM-4.5V: 39.6 (#171), Muse Spark 1.1: 44.8 (#58)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Longer Query | 1304 | 1462 |
Writing & Preference Muse Spark 1.1 leads
GLM-4.5V: 52.5 (#170), Muse Spark 1.1: 73.4 (#11)
| Benchmark | GLM-4.5V | Muse Spark 1.1 |
|---|---|---|
| LMArena Text | 1333 | 1479 |
| LMArena Creative Writing | 1295 | 1437 |
| LMArena Multi-Turn | 1332 | 1485 |
| EQ-Bench Creative Writing | — | 1927 |
| EQ-Bench 4 | — | 1260 |
Frequently asked questions
Is GLM-4.5V better than Muse Spark 1.1?
Muse Spark 1.1 is the stronger model overall, scoring 49.9 to 39.8 on the Noometry Index. GLM-4.5V costs 2.2× less per token, which makes it the better buy when Muse Spark 1.1's lead doesn't matter for your workload.
Which is cheaper, GLM-4.5V or Muse Spark 1.1?
GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; Muse Spark 1.1 lists at $1.25 and $4.25.
Is GLM-4.5V or Muse Spark 1.1 better for coding?
Muse Spark 1.1 scores higher on coding benchmarks: 51.3 versus 39.5 in the Noometry coding category.
Which has the bigger context window?
Muse Spark 1.1 does, with 1.05M tokens against 64K.
How many benchmarks do GLM-4.5V and Muse Spark 1.1 share?
14 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and Muse Spark 1.1 has 37.