# Gemma 4 12B vs Muse Spark Open

> Side-by-side benchmark comparison for Gemma 4 12B and Muse Spark Open across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-12b-vs-muse-spark-open
- Last updated: October 15, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemma 4 12B and Muse Spark Open.

## Summary

- Gemma 4 12B and Muse Spark Open do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Gemma 4 12B | Muse Spark Open |
|----------|----------|----------|
| Creator | Google | Meta |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 36.84 | 62.66 |
| Benchmarks Covered | 11 | 7 |
| Pricing (input/output) | N/A | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: Coming soon
- Muse Spark Open public-lane score: 60.2 (Estimated · #27/127)

| Benchmark | Gemma 4 12B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| JobBench | Coming soon | 61.8% | Coming soon |
| MCP Atlas | Coming soon | 89.2% | Coming soon |
| HLE w/ tools | Coming soon | 61.0% | Coming soon |
| Toolathlon-Verified | Coming soon | 72.8% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 22.8 (Estimated · #113/150)
- Muse Spark Open public-lane score: 56.1 (Supported · #29/150)

| Benchmark | Gemma 4 12B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 72.0% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 52.6 (Unranked · 3 rankable rows)
- Muse Spark Open public-lane score: 79.6 (Unranked · 2 rankable rows)

| Benchmark | Gemma 4 12B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| MRCRv2 | 43.4% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 59.4 (#44/54)
- Muse Spark Open public-lane score: 83.6 (Unranked · 4 rankable rows)

| Benchmark | Gemma 4 12B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 69.1% | Coming soon | Coming soon |
| MathVision | 79.7% | Coming soon | Coming soon |
| MedXpertQA (MM) | 48.7% | Coming soon | Coming soon |
| ZeroBench | Coming soon | 50.0% | Coming soon |
| BabyVision | Coming soon | 80.2% | Coming soon |
| SimpleVQA | Coming soon | 73.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 35.7 (Supported · #134/184)
- Muse Spark Open public-lane score: 64.6 (Supported · #38/184)

| Benchmark | Gemma 4 12B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 78.8% | Coming soon | Coming soon |
| GPQA-D | 78.8% | Coming soon | Coming soon |
| MMLU-Pro | 77.2% | Coming soon | Coming soon |
| HLE w/o tools | 5.2% | Coming soon | Coming soon |
| MMMLU | 83.4% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 90.1 (#25/146)
- Muse Spark Open public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 61.3 (Unranked · 1 rankable row)
- Muse Spark Open public-lane score: Coming soon

| Benchmark | Gemma 4 12B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 77.5% | Coming soon | Coming soon |

## FAQ

### Can I compare Gemma 4 12B and Muse Spark Open on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Gemma 4 12B vs Gemma 4 26B A4B](/compare/gemma-4-12b-vs-gemma-4-26b-a4b)
- [Muse Spark Open vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-muse-spark-open)
- [Gemma 4 12B vs Gemma 4 31B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [Muse Spark Open vs Gemma 4 31B](/compare/gemma-4-31b-vs-muse-spark-open)

## Explore More

- [Gemma 4 12B profile](/models/gemma-4-12b)
- [Muse Spark Open profile](/models/muse-spark-open)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)