# GLM-5.3 vs Muse Spark 1.2

> Side-by-side benchmark comparison for GLM-5.3 and Muse Spark 1.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-3-vs-muse-spark-1-2
- Last updated: September 28, 2026

- Shared sourced benchmarks: 8
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick GLM-5.3 if you want the stronger benchmark profile. Muse Spark 1.2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GLM-5.3 leads overall 65.44 to 64.92.
- The clearest category separation is in agentic, where the averages are 67.4 for GLM-5.3 and 59.3 for Muse Spark 1.2.
- The biggest single benchmark swing is FrontierSWE v2 in Coding, with scores of 30.2% and 12.0%.
- GLM-5.3 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | GLM-5.3 | Muse Spark 1.2 |
|----------|----------|----------|
| Creator | Z.AI | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 65.44 | 64.92 |
| Benchmarks Covered | 24 | 8 |
| Pricing (input/output) | $0.00 / $0.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: GLM-5.3
- GLM-5.3 public-lane score: 67.4 (Supported · #9/117)
- Muse Spark 1.2 public-lane score: 59.3 (Supported · #22/117)

| Benchmark | GLM-5.3 | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.2% | 82.9% | GLM-5.3 |
| terminalBench3 | 28.3% | Coming soon | Coming soon |
| CyberGym | 84.5% | Coming soon | Coming soon |
| ExploitGym | 15.0% | Coming soon | Coming soon |
| Toolathlon-Verified | 73.0% | Coming soon | Coming soon |
| AutomationBench | 48.2% | Coming soon | Coming soon |
| Agents' Last Exam | 28.5% | Coming soon | Coming soon |
| HLE w/ tools | 62.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 71.5% | 69.7% | GLM-5.3 |

### Coding

- Winner: GLM-5.3
- GLM-5.3 public-lane score: 56.8 (Supported · #24/142)
- Muse Spark 1.2 public-lane score: 55.2 (Supported · #29/142)

| Benchmark | GLM-5.3 | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.2% | 82.9% | GLM-5.3 |
| terminalBench3 | 28.3% | Coming soon | Coming soon |
| DeepSWE | 66.9% | 59.3% | GLM-5.3 |
| NL2Repo | 58% | Coming soon | Coming soon |
| ProgramBench | 19.0% | Coming soon | Coming soon |
| FrontierSWE | 78.1% | Coming soon | Coming soon |
| sweMarathon | 42.5% | Coming soon | Coming soon |
| PostTrain Bench | 39.8% | Coming soon | Coming soon |
| VulcanBench v3 | 78.3% | 87.0% | Muse Spark 1.2 |
| OpenHarmony Bench | 60.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 30.2% | 12.0% | GLM-5.3 |
| LiveCodeBench (Vals) | 80.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 95.4% | 86.6% | GLM-5.3 |

### Reasoning

- Winner: Not comparable
- GLM-5.3 public-lane score: 77.1 (#11/27)
- Muse Spark 1.2 public-lane score: 76.6 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Muse Spark 1.2
- GLM-5.3 public-lane score: 61.9 (Supported · #35/168)
- Muse Spark 1.2 public-lane score: 64.9 (Supported · #24/168)

| Benchmark | GLM-5.3 | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 88.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.8% | 88.3% | Muse Spark 1.2 |

## FAQ

### Which is better overall, GLM-5.3 or Muse Spark 1.2?

GLM-5.3 is ahead overall on BenchLM right now.

### Where is the biggest gap between GLM-5.3 and Muse Spark 1.2?

The widest category gap is in agentic, where the averages are 67.4 for GLM-5.3 and 59.3 for Muse Spark 1.2.

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

GLM-5.3 currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Muse Spark 1.2 cover on BenchLM?

Muse Spark 1.2 currently has 8 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-5.3 vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3)
- [Muse Spark 1.2 vs GLM-5.2](/compare/glm-5-2-vs-muse-spark-1-2)
- [GLM-5.3 vs GLM-5.3-Flash](/compare/glm-5-3-vs-glm-5-3-flash)
- [Muse Spark 1.2 vs GLM-5.3-Flash](/compare/glm-5-3-flash-vs-muse-spark-1-2)

## Explore More

- [GLM-5.3 profile](/models/glm-5-3)
- [Muse Spark 1.2 profile](/models/muse-spark-1-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)