# GLM-5.3-Flash vs Muse Spark 1.3

> Side-by-side benchmark comparison for GLM-5.3-Flash and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-3-flash-vs-muse-spark-1-3
- Last updated: October 17, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Muse Spark 1.3 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Muse Spark 1.3 has the higher overall point estimate 73 to 58.52. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in mathematics, where the averages are 60.4 for GLM-5.3-Flash and 78.5 for Muse Spark 1.3.
- The biggest single benchmark swing is FrontierMath v2 (Tier 4) in Mathematics, with scores of 17.073% and 46.341%.
- GLM-5.3-Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | GLM-5.3-Flash | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Z.AI | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 58.52 | null |
| Benchmarks Covered | 26 | 20 |
| Pricing (input/output) | $0.00 / $0.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 57.2 (Supported · #36/128)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 84.3% | 88.8% | Muse Spark 1.3 |
| Toolathlon-Verified | 78.4% | Coming soon | Coming soon |
| AutomationBench | 48.8% | 49.4% | Muse Spark 1.3 |
| Agents' Last Exam | 26.3% | Coming soon | Coming soon |
| HLE w/ tools | 55.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 62.9% | 72.3% | Muse Spark 1.3 |
| Hermes Index | 35.0% | Coming soon | Coming soon |
| Hermes Bench | 68.9% | Coming soon | Coming soon |
| MazeBench | 0% | 0% | Tie |
| JobBench | Coming soon | 64.9% | Coming soon |
| OSWorld 2.0 | Coming soon | 66.9% | Coming soon |
| DeepSearchQA | Coming soon | 89.4% | Coming soon |
| ApprenticeBench | Coming soon | 19% | Coming soon |
| CWE-bench v1 | Coming soon | 55.0% | Coming soon |

### Coding

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 48.3 (Supported · #46/150)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 84.3% | 88.8% | Muse Spark 1.3 |
| DeepSWE | 63.4% | 75.4% | Muse Spark 1.3 |
| NL2Repo | 56.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 92.0% | Coming soon | Coming soon |
| OpenHarmony Bench | 57.3% | Coming soon | Coming soon |
| FrontierSWE v2 | 18.1% | 25.8% | Muse Spark 1.3 |
| Bug Hunt Bench | 17.7 fixes | 32.2 fixes | Muse Spark 1.3 |
| SWE-Atlas Codebase QnA | Coming soon | 59.4% | Coming soon |
| CursorBench 4.0 | Coming soon | 41.6% | Coming soon |

### Reasoning

- Winner: Directional only
- GLM-5.3-Flash public-lane score: 80.8 (#12/28)
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 256K-512K | Coming soon | 98.5% | Coming soon |
| MRCR v2 512K-1M | Coming soon | 98.1% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 84 (#14/54)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 62.4% | Coming soon | Coming soon |
| CharXiv | 89.4% | Coming soon | Coming soon |
| Chartography (tools) | 78.0% | Coming soon | Coming soon |
| BabyVision | 53.4% | Coming soon | Coming soon |
| MMVU | 80.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 60.6 (Supported · #48/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 86.4% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 60.4 (Unranked · 2 rankable rows)
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | GLM-5.3-Flash | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 55.789% | 74.035% | Muse Spark 1.3 |
| FrontierMath v2 (Tier 4) | 17.073% | 46.341% | Muse Spark 1.3 |

## FAQ

### Which is better overall, GLM-5.3-Flash or Muse Spark 1.3?

Muse Spark 1.3 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GLM-5.3-Flash and Muse Spark 1.3?

The widest category gap is in mathematics, where the averages are 60.4 for GLM-5.3-Flash and 78.5 for Muse Spark 1.3.

### How many benchmarks does GLM-5.3-Flash cover on BenchLM?

GLM-5.3-Flash currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does Muse Spark 1.3 cover on BenchLM?

Muse Spark 1.3 currently has 20 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-5.3-Flash vs GLM-5.3](/compare/glm-5-3-vs-glm-5-3-flash)
- [Muse Spark 1.3 vs GLM-5.3](/compare/glm-5-3-vs-muse-spark-1-3)
- [GLM-5.3-Flash vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3-flash)
- [Muse Spark 1.3 vs GLM-5.2](/compare/glm-5-2-vs-muse-spark-1-3)

## Explore More

- [GLM-5.3-Flash profile](/models/glm-5-3-flash)
- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)