# Muse Spark 1.1 vs Sage-A1.5

> Side-by-side benchmark comparison for Muse Spark 1.1 and Sage-A1.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-spark-1-1-vs-sage-a1-5
- Last updated: October 20, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Muse Spark 1.1 and Sage-A1.5 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Muse Spark 1.1 has the larger published context window at 1M.

## Model Snapshot

| Property | Muse Spark 1.1 | Sage-A1.5 |
|----------|----------|----------|
| Creator | Meta | InternScience |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 262K |
| Independent public score (not head-to-head) | 66.08 | 62.95 |
| Benchmarks Covered | 26 | 12 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Muse Spark 1.1 public-lane score: 58.6 (Supported · #34/132)
- Sage-A1.5 public-lane score: 57.7 (Estimated · #36/132)

| Benchmark | Muse Spark 1.1 | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.0% | Coming soon | Coming soon |
| MCP Atlas | 88.1% | Coming soon | Coming soon |
| 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 |
| GAIA | Coming soon | 95.1% | Coming soon |
| BrowseComp | Coming soon | 81.7% | Coming soon |
| MLE-Bench Lite | Coming soon | 65.2% | Coming soon |
| HLE w/ tools | Coming soon | 55.1% | Coming soon |
| VITA-Bench | Coming soon | 45.4% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Muse Spark 1.1 public-lane score: 52.6 (Supported · #40/153)
- Sage-A1.5 public-lane score: 54 (Estimated · #34/153)

| Benchmark | Muse Spark 1.1 | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 80.0% | Coming soon | Coming soon |
| SWE-bench Pro | 61.5% | 61.2% | Muse Spark 1.1 |
| LiveCodeBench (Vals) | 85.9% | Coming soon | Coming soon |
| SWE-bench (Vals) | 82.0% | Coming soon | Coming soon |
| SciCode | Coming soon | 44.3% | Coming soon |
| SWE Multilingual | Coming soon | 72.7% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Muse Spark 1.1 public-lane score: 78.4 (Unranked · 3 rankable rows)
- Sage-A1.5 public-lane score: 80.6 (Unranked · 2 rankable rows)

| Benchmark | Muse Spark 1.1 | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| MRCR 1M | 54.1% | Coming soon | Coming soon |
| CritPt | Coming soon | 20.0% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Muse Spark 1.1 public-lane score: 81.9 (Unranked · 2 rankable rows)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Muse Spark 1.1 | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | 88.4% | Coming soon | Coming soon |
| BabyVision | 76.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Muse Spark 1.1 public-lane score: 68.5 (Supported · #24/187)
- Sage-A1.5 public-lane score: Coming soon

| Benchmark | Muse Spark 1.1 | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 62.1% | Coming soon | Coming soon |
| HLE w/o tools | 52.2% | Coming soon | Coming soon |
| 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 |
| FrontierScience Research | Coming soon | 48.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Muse Spark 1.1 public-lane score: Coming soon
- Sage-A1.5 public-lane score: 91.9 (#22/152)

| Benchmark | Muse Spark 1.1 | Sage-A1.5 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.6% | Coming soon |

## FAQ

### Is there enough evidence to pick between Muse Spark 1.1 and Sage-A1.5?

Not yet. The models share only 1 sourced benchmark row, 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 1.1 vs Muse Spark 1.2](/compare/muse-spark-1-1-vs-muse-spark-1-2)
- [Sage-A1.5 vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-sage-a1-5)
- [Muse Spark 1.1 vs Muse Spark](/compare/muse-spark-vs-muse-spark-1-1)
- [Sage-A1.5 vs Muse Spark](/compare/muse-spark-vs-sage-a1-5)

## Explore More

- [Muse Spark 1.1 profile](/models/muse-spark-1-1)
- [Sage-A1.5 profile](/models/sage-a1-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)