GLM 5.3 vs Muse Spark 1.2
GLM 5.3 
Muse Spark 1.2 Verdict
- GLM 5.3 (max) and Muse Spark 1.2 (xhigh) are level on quality (60.0 vs 60.7).
- GLM 5.3 (max) is stronger in agents & tools, coding, maths.
- Muse Spark 1.2 (xhigh) is stronger in human preference, knowledge, reasoning, composite, multimodal.
- They cost about the same ($2.00 per 1M blended).
- Muse Spark 1.2 (xhigh) streams 2.8× faster (184 vs 66 tokens per second).
| Metric | GLM 5.3 (max) | Muse Spark 1.2 (xhigh) |
|---|---|---|
| BenchLeader Index | 60.0 | 60.7 |
| Agents & tools score | 52.8 | 50.3 |
| Coding score | 64.3 | 56.7 |
| Human preference score | 68.9 | 70.6 |
| Knowledge score | 55.8 | 65.2 |
| Maths score | 60.0 | – |
| Reasoning score | 66.9 | 69.3 |
| Composite score | – | 60.4 |
| Multimodal score | – | 66.4 |
| Blended price $/M | $2.15 | $2.00 |
| Output speed | 66 tok/s | 184 tok/s |
| Time to first answer | 33.5 s | 24.9 s |
| Context window | 1M | 1.0M |
| GPQA Diamond | 90.9% | – |
| FrontierMath Tiers 1–3 | 68.8% | – |
| FrontierMath Tier 4 | 29.3% | – |
| OTIS Mock AIME | 91.1% | – |
| SimpleQA Verified | 41.0% | 60.3% |
| Terminal-Bench | 41.8% | – |
| SciCode | 56.5% | 56.4% |
| WeirdML | 75.4% | 60.3% |
| ProofBench | 49.0% | – |
| LMArena Text | 1486 | 1499 |
| LMArena Hard Prompts | 1509 | 1513 |
| LMArena Coding | 1526 | 1535 |
| LMArena WebDev | 1614 | 1534 |
| LMArena Vision | – | 1304 |
| LMArena Agent | 2.6 | -1.8 |
| LiveBench | – | 78.0% |
| LiveBench Reasoning | – | 90.0% |
| LiveBench Coding | – | 77.5% |
| LiveBench Agentic Coding | – | 57.6% |
| LiveBench Mathematics | – | 91.2% |
| LiveBench Data Analysis | – | 76.5% |
| LiveBench Language | – | 78.6% |
| LiveCodeBench | 80.5% | – |
| MMLU-Pro | 86.8% | 88.3% |
| IOI | 68.4% | 21.8% |
| LegalBench | 84.8% | 85.3% |
| CorpFin | – | 70.9% |
| TaxEval | 72.4% | 80.4% |
| Terminal-Bench 2.1 (Vals) | 71.5% | 69.7% |
| SWE-bench (Vals) | 95.4% | 86.6% |
| GPQA Diamond (Vals) | 88.1% | – |
| Vals Index | 57.0 | 57.0 |
Data as of 2026-09-13. Best configuration of each model; every score links to its source on the model pages.
GLM 5.3 vs Muse Spark 1.2: questions
- Is GLM 5.3 better than Muse Spark 1.2?
- GLM 5.3 (max) and Muse Spark 1.2 (xhigh) are level on quality (60.0 vs 60.7). The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.2 (xhigh) is ahead overall as of 2026-09-13, but check the category scores for your use.
- Is GLM 5.3 better than Muse Spark 1.2 for coding?
- GLM 5.3 scores higher in coding (64 vs 57 on the category index, where 50 is average).
- Is GLM 5.3 better than Muse Spark 1.2 for agentic tasks?
- GLM 5.3 scores higher in agentic tasks (53 vs 50 on the category index, where 50 is average).
- Which is cheaper, GLM 5.3 or Muse Spark 1.2?
- Muse Spark 1.2 is cheaper: $2.00 against $2.15 per million tokens, blended at three input tokens per output token.
- Which is faster, GLM 5.3 or Muse Spark 1.2?
- Muse Spark 1.2 streams faster: 184 against 66 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.2 accepts more context: 1.0M against 1M tokens.