# Granite 4.2 8B vs Muse Glimmer 30B

> Side-by-side benchmark comparison for Granite 4.2 8B and Muse Glimmer 30B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/granite-4-2-8b-vs-muse-glimmer-30b
- Last updated: October 15, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Muse Glimmer 30B leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Muse Glimmer 30B has the higher overall point estimate 41.25 to 33.4. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in reasoning, where the averages are 56.8 for Granite 4.2 8B and 83.1 for Muse Glimmer 30B.
- The biggest single benchmark swing is SWE-bench Pro in Coding, with scores of 19.1% and 51.2%.
- Muse Glimmer 30B also has the larger context window at 131K.

## Model Snapshot

| Property | Granite 4.2 8B | Muse Glimmer 30B |
|----------|----------|----------|
| Creator | IBM | Meta |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 131K |
| Overall Score | 33.4 | 41.25 |
| Benchmarks Covered | 14 | 14 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Granite 4.2 8B public-lane score: 15.7 (Estimated · #113/127)
- Muse Glimmer 30B public-lane score: 25.1 (Estimated · #103/127)

| Benchmark | Granite 4.2 8B | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 20.6% | Coming soon | Coming soon |
| τ³-bench results | 58.1% | Coming soon | Coming soon |
| BFCL v4 | 52.4% | Coming soon | Coming soon |
| MCP Atlas | Coming soon | 75.5% | Coming soon |
| DeepSearchQA | Coming soon | 74.6% | Coming soon |
| skillsBench | Coming soon | 44.3% | Coming soon |
| OSWorld-Verified | Coming soon | 65.9% | Coming soon |

### Coding

- Winner: Directional only
- Granite 4.2 8B public-lane score: 17.2 (Estimated · #125/150)
- Muse Glimmer 30B public-lane score: 30.5 (Estimated · #94/150)

| Benchmark | Granite 4.2 8B | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 47.7% | 76% | Muse Glimmer 30B |
| SWE-bench Pro | 19.1% | 51.2% | Muse Glimmer 30B |
| SWE Multilingual | 30.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 20.6% | 51.7% | Muse Glimmer 30B |
| LiveCodeBench v6 | 73.2% | Coming soon | Coming soon |
| SciCode | 36.1% | 43.6% | Muse Glimmer 30B |

### Reasoning

- Winner: Not comparable
- Granite 4.2 8B public-lane score: 56.8 (Unranked · 2 rankable rows)
- Muse Glimmer 30B public-lane score: 83.1 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 65.1 (#41/54)

| Benchmark | Granite 4.2 8B | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| CharXiv | Coming soon | 78.8% | Coming soon |
| ScreenSpot Pro | Coming soon | 75.4% | Coming soon |
| OmniDocBench 1.5 | Coming soon | 75.8% | Coming soon |
| MMMU-Pro | Coming soon | 74% | Coming soon |

### Knowledge

- Winner: Muse Glimmer 30B
- Granite 4.2 8B public-lane score: 30.6 (Supported · #154/184)
- Muse Glimmer 30B public-lane score: 44.1 (Supported · #101/184)

| Benchmark | Granite 4.2 8B | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 64.1% | Coming soon | Coming soon |
| MMLU-Pro | 74.0% | Coming soon | Coming soon |

### Instruction Following

- Winner: Granite 4.2 8B
- Granite 4.2 8B public-lane score: 86.5 (#41/146)
- Muse Glimmer 30B public-lane score: 81.1 (#55/146)

| Benchmark | Granite 4.2 8B | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.3% | 77% | Granite 4.2 8B |

### Mathematics

- Winner: Not comparable
- Granite 4.2 8B public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 84.6 (Unranked · 1 rankable row)

| Benchmark | Granite 4.2 8B | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 86.7% | Coming soon | Coming soon |
| HMMT Feb 2025 | 78.3% | Coming soon | Coming soon |
| AIME26 | Coming soon | 94.7% | Coming soon |

## FAQ

### Which is better overall, Granite 4.2 8B or Muse Glimmer 30B?

Muse Glimmer 30B has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Granite 4.2 8B and Muse Glimmer 30B?

The widest category gap is in reasoning, where the averages are 56.8 for Granite 4.2 8B and 83.1 for Muse Glimmer 30B.

### How many benchmarks does Granite 4.2 8B cover on BenchLM?

Granite 4.2 8B currently has 14 sourced benchmark scores on BenchLM.

### How many benchmarks does Muse Glimmer 30B cover on BenchLM?

Muse Glimmer 30B currently has 14 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Granite 4.2 8B vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-granite-4-2-8b)
- [Muse Glimmer 30B vs Granite 4.2 30B](/compare/granite-4-2-30b-vs-muse-glimmer-30b)
- [Granite 4.2 8B vs Granite 4.2 3B](/compare/granite-4-2-3b-vs-granite-4-2-8b)
- [Muse Glimmer 30B vs Granite 4.2 3B](/compare/granite-4-2-3b-vs-muse-glimmer-30b)

## Explore More

- [Granite 4.2 8B profile](/models/granite-4-2-8b)
- [Muse Glimmer 30B profile](/models/muse-glimmer-30b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)