# Muse Spark 1.3 vs Ornith-1.5-9B

> Side-by-side benchmark comparison for Muse Spark 1.3 and Ornith-1.5-9B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-1-3-vs-ornith-1-5-9b
- Last updated: October 17, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Muse Spark 1.3 and Ornith-1.5-9B share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Ornith-1.5-9B has the lower published output-token price.
- Muse Spark 1.3 has the larger published context window at 1M.

## Model Snapshot

| Property | Muse Spark 1.3 | Ornith-1.5-9B |
|----------|----------|----------|
| Creator | Meta | Ornith AI |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Independent public score (not head-to-head) | null | 31.33 |
| Benchmarks Covered | 20 | 16 |
| Pricing (input/output) | $1.25 / $4.25 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Ornith-1.5-9B public-lane score: 22.4 (Estimated · #106/128)

| Benchmark | Muse Spark 1.3 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.8% | 46.2% | Muse Spark 1.3 |
| JobBench | 64.9% | Coming soon | Coming soon |
| OSWorld 2.0 | 66.9% | Coming soon | Coming soon |
| DeepSearchQA | 89.4% | Coming soon | Coming soon |
| AutomationBench | 49.4% | Coming soon | Coming soon |
| ApprenticeBench | 19% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 72.3% | Coming soon | Coming soon |
| CWE-bench v1 | 55.0% | Coming soon | Coming soon |
| MazeBench | 0% | Coming soon | Coming soon |
| HLE w/ tools | Coming soon | 30.5% | Coming soon |
| MCP Atlas | Coming soon | 54.2% | 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: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.8% | 46.2% | Muse Spark 1.3 |
| DeepSWE | 75.4% | Coming soon | Coming soon |
| SWE-Atlas Codebase QnA | 59.4% | Coming soon | Coming soon |
| CursorBench 4.0 | 41.6% | Coming soon | Coming soon |
| Bug Hunt Bench | 32.2 fixes | Coming soon | Coming soon |
| FrontierSWE v2 | 25.8% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 70.6% | Coming soon |
| SWE-bench Pro | Coming soon | 47.5% | Coming soon |
| SWE Multilingual | Coming soon | 54.4% | Coming soon |
| NL2Repo | Coming soon | 32.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 256K-512K | 98.5% | Coming soon | Coming soon |
| MRCR v2 512K-1M | 98.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Ornith-1.5-9B public-lane score: 35.1 (Estimated · #134/184)

| Benchmark | Muse Spark 1.3 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 86.4% | Coming soon |
| GPQA-D | Coming soon | 86.4% | Coming soon |
| HLE | Coming soon | 20.2% | Coming soon |
| HLE w/o tools | Coming soon | 20.2% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: Coming soon
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | 15.9% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)
- Ornith-1.5-9B public-lane score: Coming soon

| Benchmark | Muse Spark 1.3 | Ornith-1.5-9B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 74.035% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 46.341% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Muse Spark 1.3 and Ornith-1.5-9B?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)
- [Ornith-1.5-9B vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-ornith-1-5-9b)
- [Muse Spark 1.3 vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-muse-spark-1-3)
- [Ornith-1.5-9B vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-ornith-1-5-9b)

## Explore More

- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [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)