# LFM2.5-8B-A1B vs Muse Spark

> Side-by-side benchmark comparison for LFM2.5-8B-A1B and Muse Spark across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/lfm2-5-8b-a1b-vs-muse-spark
- Last updated: October 15, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: LFM2.5-8B-A1B and Muse Spark 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 has the larger published context window at 262K.

## Model Snapshot

| Property | LFM2.5-8B-A1B | Muse Spark |
|----------|----------|----------|
| Creator | LiquidAI | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 262K |
| Independent public score (not head-to-head) | 30.15 | 60.42 |
| Benchmarks Covered | 7 | 25 |
| Pricing (input/output) | $0.00 / $0.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: Coming soon
- Muse Spark public-lane score: 51 (Supported · #45/126)

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| BFCL v4 | 49.7% | Coming soon | Coming soon |
| τ²-bench results | 88.1% | 91.5% | Muse Spark |
| Terminal-Bench 2.0 | Coming soon | 59% | Coming soon |
| DeepSearchQA | Coming soon | 74.8% | Coming soon |
| CyberGym | Coming soon | 43.5% | Coming soon |
| Claw-Eval | Coming soon | 63.8% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: Coming soon
- Muse Spark public-lane score: 49.9 (Supported · #43/149)

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | Coming soon | 77.4% | Coming soon |
| SWE-bench Pro | Coming soon | 52.4% | Coming soon |
| LiveCodeBench Pro | Coming soon | 80.0% | Coming soon |
| Vibe Code Bench | Coming soon | 19.67% | Coming soon |
| SWE-bench (Vals) | Coming soon | 74.4% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 25.9 (Unranked · 2 rankable rows)
- Muse Spark public-lane score: 57.1 (Unranked · 3 rankable rows)

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 42.5% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: Coming soon
- Muse Spark public-lane score: 84.4 (#12/54)

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 86.4% | Coming soon |
| MMMU-Pro | Coming soon | 80.4% | Coming soon |
| ERQA | Coming soon | 64.7% | Coming soon |
| SimpleVQA | Coming soon | 71.3% | Coming soon |
| ScreenSpot Pro | Coming soon | 84.1% | Coming soon |
| ZeroBench | Coming soon | 33.0% | Coming soon |
| MedXpertQA (MM) | Coming soon | 78.4% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 26.4 (Supported · #167/182)
- Muse Spark public-lane score: 62.3 (Supported · #43/182)

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 89.5% | Coming soon |
| HLE | Coming soon | 50.4% | Coming soon |
| HLE w/o tools | Coming soon | 42.8% | Coming soon |
| HealthBench Hard | Coming soon | 42.8% | Coming soon |
| MedXpertQA (Text) | Coming soon | 52.6% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 89.6% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 87.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 36.5 (#121/146)
- Muse Spark public-lane score: 93.3 (#10/146)

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 91.8% | Coming soon | Coming soon |
| IFBench | 56.5% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- LFM2.5-8B-A1B public-lane score: 24 (Unranked · 3 rankable rows)
- Muse Spark public-lane score: Coming soon

| Benchmark | LFM2.5-8B-A1B | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| MATH-500 | 88.8% | Coming soon | Coming soon |
| AIME 2025 | 42.5% | Coming soon | Coming soon |
| AIME26 | 50.0% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between LFM2.5-8B-A1B and Muse Spark?

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

- [LFM2.5-8B-A1B vs Muse Spark 1.1](/compare/lfm2-5-8b-a1b-vs-muse-spark-1-1)
- [Muse Spark vs Muse Spark 1.1](/compare/muse-spark-vs-muse-spark-1-1)
- [LFM2.5-8B-A1B vs Muse Spark 1.2](/compare/lfm2-5-8b-a1b-vs-muse-spark-1-2)
- [Muse Spark vs Muse Spark 1.2](/compare/muse-spark-vs-muse-spark-1-2)

## Explore More

- [LFM2.5-8B-A1B profile](/models/lfm2-5-8b-a1b)
- [Muse Spark profile](/models/muse-spark)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)