# Gemma 4 12B vs Muse Spark 1.2

> Side-by-side benchmark comparison for Gemma 4 12B and Muse Spark 1.2 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemma-4-12b-vs-muse-spark-1-2
- Last updated: September 18, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemma 4 12B and Muse Spark 1.2.

## Summary

- Gemma 4 12B and Muse Spark 1.2 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 1.2 |
|----------|----------|----------|
| Creator | Google | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 42.99 | 70.28 |
| Benchmarks Covered | 12 | 8 |
| Pricing (input/output) | N/A | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 45.3 (Estimated · #87/154)
- Muse Spark 1.2 public-lane score: 61 (Supported · #16/154)

| Benchmark | Gemma 4 12B | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 82.9% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 69.7% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 44.4 (Estimated · #97/154)
- Muse Spark 1.2 public-lane score: 60 (Supported · #21/154)

| Benchmark | Gemma 4 12B | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 72.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 82.9% | Coming soon |
| DeepSWE | Coming soon | 59.3% | Coming soon |
| VulcanBench v3 | Coming soon | 87.0% | Coming soon |
| FrontierSWE v2 | Coming soon | 12.0% | Coming soon |
| SWE-bench (Vals) | Coming soon | 86.6% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 26.2 (#44/48)
- Muse Spark 1.2 public-lane score: Coming soon

| Benchmark | Gemma 4 12B | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 69.1% | Coming soon | Coming soon |
| MathVision | 79.7% | Coming soon | Coming soon |
| MedXpertQA (MM) | 48.7% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 33.7 (Unranked · 4 rankable rows)
- Muse Spark 1.2 public-lane score: 75.3 (Unranked · 2 rankable rows)

| Benchmark | Gemma 4 12B | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| BBH | 53% | Coming soon | Coming soon |
| MRCRv2 | 43.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 39.1 (Supported · #143/184)
- Muse Spark 1.2 public-lane score: 70.7 (Estimated · #10/184)

| Benchmark | Gemma 4 12B | Muse Spark 1.2 | 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 |
| MMLU-Pro (Vals) | Coming soon | 88.3% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 88.7 (#22/124)
- Muse Spark 1.2 public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- Gemma 4 12B public-lane score: 53 (Unranked · 1 rankable row)
- Muse Spark 1.2 public-lane score: Coming soon

| Benchmark | Gemma 4 12B | Muse Spark 1.2 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 77.5% | Coming soon | Coming soon |

## FAQ

### Can I compare Gemma 4 12B and Muse Spark 1.2 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 1.2 vs Gemma 4 26B A4B](/compare/gemma-4-26b-a4b-vs-muse-spark-1-2)
- [Gemma 4 12B vs Gemma 4 31B](/compare/gemma-4-12b-vs-gemma-4-31b)
- [Muse Spark 1.2 vs Gemma 4 31B](/compare/gemma-4-31b-vs-muse-spark-1-2)

## Explore More

- [Gemma 4 12B profile](/models/gemma-4-12b)
- [Muse Spark 1.2 profile](/models/muse-spark-1-2)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)