# Hy4 preview vs Muse Spark 1.3

> Side-by-side benchmark comparison for Hy4 preview and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy4-preview-vs-muse-spark-1-3
- Last updated: October 17, 2026

- Shared sourced benchmarks: 7
- 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 61.27. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is AutomationBench in Agentic, with scores of 32.1% and 49.4%.
- Hy4 preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Hy4 preview | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Tencent | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 61.27 | null |
| Benchmarks Covered | 33 | 20 |
| Pricing (input/output) | $0.00 / $0.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Hy4 preview public-lane score: 55.8 (Estimated · #40/128)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | 88.8% | Muse Spark 1.3 |
| CyberGym | 78.4% | Coming soon | Coming soon |
| WideResearch | 83.9% | Coming soon | Coming soon |
| DRACO | 77.2% | Coming soon | Coming soon |
| MCP Atlas | 83.7% | Coming soon | Coming soon |
| Toolathlon-Verified | 74.1% | Coming soon | Coming soon |
| APEX-Agents | 37.1% | Coming soon | Coming soon |
| skillsBench | 62.9% | Coming soon | Coming soon |
| JobBench | 61.7% | 64.9% | Muse Spark 1.3 |
| Agents' Last Exam | 22.8% | Coming soon | Coming soon |
| AutomationBench | 32.1% | 49.4% | Muse Spark 1.3 |
| BankerToolBench | 78.6% | Coming soon | Coming soon |
| HLE w/ tools | 55.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 55.1% | 72.3% | Muse Spark 1.3 |
| CWE-bench v1 | 53.0% | 55.0% | Muse Spark 1.3 |
| Hermes Index | 26.1% | Coming soon | Coming soon |
| Hermes Bench | 58.6% | Coming soon | Coming soon |
| OSWorld 2.0 | Coming soon | 66.9% | Coming soon |
| DeepSearchQA | Coming soon | 89.4% | Coming soon |
| ApprenticeBench | Coming soon | 19% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Not comparable
- Hy4 preview public-lane score: 56.7 (Supported · #27/150)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | 88.8% | Muse Spark 1.3 |
| SWE-bench Pro | 65.7% | Coming soon | Coming soon |
| SWE Multilingual | 82.9% | Coming soon | Coming soon |
| DeepSWE | 64.3% | 75.4% | Muse Spark 1.3 |
| NL2Repo | 58.9% | Coming soon | Coming soon |
| ProgramBench | 17.5% | Coming soon | Coming soon |
| PostTrain Bench | 35.6% | Coming soon | Coming soon |
| sweMarathon | 31.9% | Coming soon | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 59.4% | Coming soon |
| CursorBench 4.0 | Coming soon | 41.6% | Coming soon |
| Bug Hunt Bench | Coming soon | 32.2 fixes | Coming soon |
| FrontierSWE v2 | Coming soon | 25.8% | Coming soon |

### Reasoning

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| STEMBench | 2.59 | Coming soon | Coming soon |
| CritPt | 16.9% | Coming soon | Coming soon |
| 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
- Hy4 preview public-lane score: 88.3 (Unranked · 1 rankable row)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Hy4 preview public-lane score: 64.1 (Estimated · #40/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.3% | Coming soon | Coming soon |
| GPQA-D | 92.3% | Coming soon | Coming soon |
| HLE | 55.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.4% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Hy4 preview public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | Hy4 preview | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Apex | 74.2% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 74.035% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 46.341% | Coming soon |

## FAQ

### Which is better overall, Hy4 preview or Muse Spark 1.3?

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

### How many benchmarks does Hy4 preview cover on BenchLM?

Hy4 preview currently has 33 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

- [Hy4 preview vs Muse Spark 1.1](/compare/hy4-preview-vs-muse-spark-1-1)
- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)
- [Hy4 preview vs Muse Spark 1.2](/compare/hy4-preview-vs-muse-spark-1-2)
- [Muse Spark 1.3 vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-muse-spark-1-3)

## Explore More

- [Hy4 preview profile](/models/hy4-preview)
- [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)