# GPT-5.5 Pro vs Muse Glimmer 30B

> Side-by-side benchmark comparison for GPT-5.5 Pro and Muse Glimmer 30B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-5-pro-vs-muse-glimmer-30b
- Last updated: September 24, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for GPT-5.5 Pro and Muse Glimmer 30B.

## Summary

- GPT-5.5 Pro and Muse Glimmer 30B 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 | GPT-5.5 Pro | Muse Glimmer 30B |
|----------|----------|----------|
| Creator | OpenAI | Meta |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 131K |
| Independent public score (not head-to-head) | 72.42 | 41.73 |
| Benchmarks Covered | 8 | 14 |
| Pricing (input/output) | $30.00 / $180.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 27.6 (Estimated · #72/105)

| Benchmark | GPT-5.5 Pro | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 90.1% | 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: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 36.3 (Estimated · #69/135)

| Benchmark | GPT-5.5 Pro | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | Coming soon | 51.2% | Coming soon |
| SWE-bench Verified | Coming soon | 76% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 51.7% | Coming soon |
| SciCode | Coming soon | 43.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: 75 (Unranked · 3 rankable rows)
- Muse Glimmer 30B public-lane score: 79.3 (Unranked · 2 rankable rows)

| Benchmark | GPT-5.5 Pro | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 95.00% | Coming soon | Coming soon |
| ARC-AGI-2 | 84.2% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 46.3 (#42/50)

| Benchmark | GPT-5.5 Pro | 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: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 43.9 (Estimated · #75/158)

| Benchmark | GPT-5.5 Pro | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| HLE | 57.2% | Coming soon | Coming soon |
| HLE w/o tools | 43.1% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 77.7 (#55/124)

| Benchmark | GPT-5.5 Pro | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 77% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-5.5 Pro public-lane score: 70.1 (Unranked · 3 rankable rows)
- Muse Glimmer 30B public-lane score: 75.4 (Unranked · 1 rankable row)

| Benchmark | GPT-5.5 Pro | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 52.4% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 51.000% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 39.600% | Coming soon | Coming soon |
| AIME26 | Coming soon | 94.7% | Coming soon |

## FAQ

### Can I compare GPT-5.5 Pro and Muse Glimmer 30B 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

- [GPT-5.5 Pro vs GPT-5.5](/compare/gpt-5-5-vs-gpt-5-5-pro)
- [Muse Glimmer 30B vs GPT-5.5](/compare/gpt-5-5-vs-muse-glimmer-30b)
- [GPT-5.5 Pro vs GPT-6 Astra](/compare/gpt-5-5-pro-vs-gpt-6-astra)
- [Muse Glimmer 30B vs GPT-6 Astra](/compare/gpt-6-astra-vs-muse-glimmer-30b)

## Explore More

- [GPT-5.5 Pro profile](/models/gpt-5-5-pro)
- [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)