GLM 5.3 vs Muse Spark 1.3
GLM 5.3 
Muse Spark 1.3 Verdict
- Muse Spark 1.3 (xhigh) leads on quality: 62.0 vs 60.0.
- GLM 5.3 (max) is stronger in coding, human preference, maths, reasoning.
- Muse Spark 1.3 (xhigh) is stronger in agents & tools, knowledge, composite, long context, multimodal.
- They cost about the same ($2.00 per 1M blended).
- Muse Spark 1.3 (xhigh) streams 3.6× faster (235 vs 66 tokens per second).
| Metric | GLM 5.3 (max) | Muse Spark 1.3 (xhigh) |
|---|---|---|
| BenchLeader Index | 60.0 | 62.0 |
| Agents & tools score | 52.8 | 60.2 |
| Coding score | 64.3 | 60.5 |
| Human preference score | 68.9 | – |
| Knowledge score | 55.8 | 71.8 |
| Maths score | 60.0 | – |
| Reasoning score | 66.9 | – |
| Composite score | – | 75.0 |
| Long context score | – | 65.8 |
| Multimodal score | – | 65.7 |
| Blended price $/M | $2.15 | $2.00 |
| Output speed | 66 tok/s | 235 tok/s |
| Time to first answer | 33.5 s | 28.5 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% | – |
| Terminal-Bench | 41.8% | – |
| SciCode | 56.5% | – |
| WeirdML | 75.4% | – |
| ProofBench | 49.0% | – |
| LMArena Text | 1486 | – |
| LMArena Hard Prompts | 1509 | – |
| LMArena Coding | 1526 | – |
| LMArena WebDev | 1614 | 1623 |
| LMArena Agent | 2.6 | – |
| LiveBench | – | 81.6% |
| LiveBench Reasoning | – | 89.7% |
| LiveBench Coding | – | 81.1% |
| LiveBench Agentic Coding | – | 64.1% |
| LiveBench Mathematics | – | 96.0% |
| LiveBench Data Analysis | – | 79.6% |
| LiveBench Language | – | 82.8% |
| AA Intelligence Index | – | 45.2 |
| AA-LCR | – | 83.0% |
| MMMU-Pro | – | 82.0% |
| AA-Omniscience | – | 23.1 |
| GPQA Diamond (AA) | – | 94.1% |
| Humanity's Last Exam (AA) | – | 47.5% |
| SciCode (AA) | – | 59.7% |
| LiveCodeBench | 80.5% | – |
| MMLU-Pro | 86.8% | – |
| IOI | 68.4% | 43.9% |
| LegalBench | 84.8% | – |
| TaxEval | 72.4% | – |
| Terminal-Bench 2.1 (Vals) | 71.5% | 72.3% |
| SWE-bench (Vals) | 95.4% | – |
| GPQA Diamond (Vals) | 88.1% | – |
| Vals Index | 57.0 | 60.3 |
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 1.3: questions
- Is GLM 5.3 better than Muse Spark 1.3?
- Muse Spark 1.3 (xhigh) leads on quality: 62.0 vs 60.0. The BenchLeader Index combines every independent quality benchmark; Muse Spark 1.3 (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 1.3 for coding?
- GLM 5.3 scores higher in coding (64 vs 61 on the category index, where 50 is average).
- Is GLM 5.3 better than Muse Spark 1.3 for agentic tasks?
- Muse Spark 1.3 scores higher in agentic tasks (60 vs 53 on the category index, where 50 is average).
- Which is cheaper, GLM 5.3 or Muse Spark 1.3?
- Muse Spark 1.3 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 1.3?
- Muse Spark 1.3 streams faster: 235 against 66 output tokens per second.
- Which has the larger context window?
- Muse Spark 1.3 accepts more context: 1.0M against 1M tokens.