# Muse Spark 1.1 vs Ornith-1.5-9B

> Side-by-side benchmark comparison for Muse Spark 1.1 and Ornith-1.5-9B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-1-1-vs-ornith-1-5-9b
- Last updated: October 2, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Muse Spark 1.1 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 1.1 has the higher overall point estimate 66.63 to 28.63. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 57.2 for Muse Spark 1.1 and 18 for Ornith-1.5-9B.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 62.1% and 20.2%.
- Muse Spark 1.1 also has the larger context window at 1M.

## Model Snapshot

| Property | Muse Spark 1.1 | Ornith-1.5-9B |
|----------|----------|----------|
| Creator | Meta | Ornith AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Overall Score | 66.63 | 28.63 |
| Benchmarks Covered | 26 | 16 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Muse Spark 1.1 public-lane score: 57.2 (Supported · #28/119)
- Ornith-1.5-9B public-lane score: 18 (Estimated · #101/119)

| Benchmark | Muse Spark 1.1 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.0% | 46.2% | Muse Spark 1.1 |
| MCP Atlas | 88.1% | 54.2% | Muse Spark 1.1 |
| Toolathlon | 75.6% | Coming soon | Coming soon |
| OSWorld-Verified | 80.8% | Coming soon | Coming soon |
| WebArena-Verified | 69% | Coming soon | Coming soon |
| DeepSearchQA | 84.9% | Coming soon | Coming soon |
| CyberGym | 59.0% | Coming soon | Coming soon |
| Finance Agent v2 | 57.2% | Coming soon | Coming soon |
| deepSwe | 53.3% | Coming soon | Coming soon |
| OSWorld 2.0 | 14.2% | Coming soon | Coming soon |
| JobBench | 54.7% | Coming soon | Coming soon |
| Cybench | 92.9% | Coming soon | Coming soon |
| ExploitGym | 0.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 69.3% | Coming soon | Coming soon |
| HLE w/ tools | Coming soon | 30.5% | Coming soon |
| Toolathlon-Verified | Coming soon | 41.2% | Coming soon |
| WideResearch | Coming soon | 59.5% | Coming soon |
| BrowseComp | Coming soon | 56.4% | Coming soon |
| Claw-Eval | Coming soon | 66.5% | Coming soon |

### Coding

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: 55.3 (Supported · #32/144)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.1 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.0% | 46.2% | Muse Spark 1.1 |
| SWE-bench Pro | 61.5% | 47.5% | Muse Spark 1.1 |
| LiveCodeBench (Vals) | 85.9% | Coming soon | Coming soon |
| SWE-bench (Vals) | 82.0% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 70.6% | Coming soon |
| SWE Multilingual | Coming soon | 54.4% | Coming soon |
| NL2Repo | Coming soon | 32.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: 75.7 (Unranked · 3 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.1 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | 54.1% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Muse Spark 1.1 public-lane score: 78.3 (Unranked · 2 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.1 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.4% | Coming soon | Coming soon |
| BabyVision | 76.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Directional only
- Muse Spark 1.1 public-lane score: 67 (Supported · #20/171)
- Ornith-1.5-9B public-lane score: 30.6 (Estimated · #134/171)

| Benchmark | Muse Spark 1.1 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| HLE | 62.1% | 20.2% | Muse Spark 1.1 |
| HLE w/o tools | 52.2% | 20.2% | Muse Spark 1.1 |
| HealthBench Professional | 59.3% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 91.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 88.7% | Coming soon | Coming soon |
| GPQA | Coming soon | 86.4% | Coming soon |
| GPQA-D | Coming soon | 86.4% | Coming soon |

## FAQ

### Which is better overall, Muse Spark 1.1 or Ornith-1.5-9B?

Muse Spark 1.1 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Muse Spark 1.1 and Ornith-1.5-9B?

The widest category gap is in agentic, where the averages are 57.2 for Muse Spark 1.1 and 18 for Ornith-1.5-9B.

### How many benchmarks does Muse Spark 1.1 cover on BenchLM?

Muse Spark 1.1 currently has 26 sourced benchmark scores on BenchLM.

### How many benchmarks does Ornith-1.5-9B cover on BenchLM?

Ornith-1.5-9B currently has 16 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Muse Spark 1.1 vs Muse Spark 1.2](/compare/muse-spark-1-1-vs-muse-spark-1-2)
- [Ornith-1.5-9B vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-ornith-1-5-9b)
- [Muse Spark 1.1 vs Muse Spark](/compare/muse-spark-vs-muse-spark-1-1)
- [Ornith-1.5-9B vs Muse Spark](/compare/muse-spark-vs-ornith-1-5-9b)

## Explore More

- [Muse Spark 1.1 profile](/models/muse-spark-1-1)
- [Ornith-1.5-9B profile](/models/ornith-1-5-9b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)