# Granite 4.2 3B vs Muse Spark Open

> Side-by-side benchmark comparison for Granite 4.2 3B and Muse Spark Open across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-3b-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 Granite 4.2 3B and Muse Spark Open.

## Summary

- Granite 4.2 3B 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 | Granite 4.2 3B | Muse Spark Open |
|----------|----------|----------|
| Creator | IBM | Meta |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | null | 62.66 |
| Benchmarks Covered | 9 | 7 |
| Pricing (input/output) | $0.00 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Muse Spark Open public-lane score: 60.2 (Estimated · #27/127)

| Benchmark | Granite 4.2 3B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | 45.8% | Coming soon | Coming soon |
| BFCL v4 | 52.4% | Coming soon | Coming soon |
| 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
- Granite 4.2 3B public-lane score: Coming soon
- Muse Spark Open public-lane score: 56.1 (Supported · #29/150)

| Benchmark | Granite 4.2 3B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 69.7% | Coming soon | Coming soon |
| SciCode | 24.1% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: 42.5 (Unranked · 2 rankable rows)
- Muse Spark Open public-lane score: 79.6 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Muse Spark Open public-lane score: 83.6 (Unranked · 4 rankable rows)

| Benchmark | Granite 4.2 3B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| 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
- Granite 4.2 3B public-lane score: Coming soon
- Muse Spark Open public-lane score: 64.6 (Supported · #38/184)

| Benchmark | Granite 4.2 3B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 54.8% | Coming soon | Coming soon |
| MMLU-Pro | 67.8% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Muse Spark Open public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 74.3% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Granite 4.2 3B public-lane score: Coming soon
- Muse Spark Open public-lane score: Coming soon

| Benchmark | Granite 4.2 3B | Muse Spark Open | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 78.3% | Coming soon | Coming soon |
| HMMT Feb 2025 | 66.7% | Coming soon | Coming soon |

## FAQ

### Can I compare Granite 4.2 3B 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

- [Granite 4.2 3B vs Granite 4.2 8B](/compare/granite-4-2-3b-vs-granite-4-2-8b)
- [Muse Spark Open vs Granite 4.2 8B](/compare/granite-4-2-8b-vs-muse-spark-open)
- [Granite 4.2 3B vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-granite-4-2-3b)
- [Muse Spark Open vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-muse-spark-open)

## Explore More

- [Granite 4.2 3B profile](/models/granite-4-2-3b)
- [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)