# Claude Mythos 5 vs Muse Glimmer 30B

> Side-by-side benchmark comparison for Claude Mythos 5 and Muse Glimmer 30B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

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

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Claude Mythos 5 if you want the stronger benchmark profile. Muse Glimmer 30B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Claude Mythos 5 leads overall 82 to 41.73.
- The clearest category separation is in multimodal & grounded, where the averages are 85.1 for Claude Mythos 5 and 46.3 for Muse Glimmer 30B.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Coding, with scores of 88.0% and 51.7%.
- Muse Glimmer 30B is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Claude Mythos 5 also has the larger context window at 1M+.

## Model Snapshot

| Property | Claude Mythos 5 | Muse Glimmer 30B |
|----------|----------|----------|
| Creator | Anthropic | Meta |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 131K |
| Overall Score | null | 41.73 |
| Benchmarks Covered | 15 | 14 |
| Pricing (input/output) | $10.00 / $50.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 27.6 (Estimated · #72/105)

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.0% | Coming soon | Coming soon |
| OSWorld-Verified | 85% | 65.9% | Claude Mythos 5 |
| BrowseComp | 88% | Coming soon | Coming soon |
| CyberGym | 83.8% | 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 |

### Coding

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 36.3 (Estimated · #69/135)

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95.5% | 76% | Claude Mythos 5 |
| SWE-bench Pro | 80.3% | 51.2% | Claude Mythos 5 |
| Terminal-Bench 2.1 | 88.0% | 51.7% | Claude Mythos 5 |
| SciCode | Coming soon | 43.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 79.3 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Not comparable
- Claude Mythos 5 public-lane score: 85.1 (Unranked · 3 rankable rows)
- Muse Glimmer 30B public-lane score: 46.3 (#42/50)

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Multimodal | 54.9% | Coming soon | Coming soon |
| CharXiv | 93.5% | 78.8% | Claude Mythos 5 |
| CharXiv w/o tools | 88.9% | Coming soon | 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: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 43.9 (Estimated · #75/158)

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.1% | Coming soon | Coming soon |
| HLE | 64.5% | Coming soon | Coming soon |
| HLE w/o tools | 59% | Coming soon | Coming soon |

### Multilingual

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: Coming soon

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| SWE Multilingual | 92.2% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 77.7 (#55/124)

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 77% | Coming soon |

### Mathematics

- Winner: Not comparable
- Claude Mythos 5 public-lane score: Coming soon
- Muse Glimmer 30B public-lane score: 75.4 (Unranked · 1 rankable row)

| Benchmark | Claude Mythos 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| USAMO 2026 | 97.6% | Coming soon | Coming soon |
| AIME26 | Coming soon | 94.7% | Coming soon |

## FAQ

### Which is better overall, Claude Mythos 5 or Muse Glimmer 30B?

Claude Mythos 5 is ahead overall on BenchLM right now.

### Where is the biggest gap between Claude Mythos 5 and Muse Glimmer 30B?

The widest category gap is in multimodal & grounded, where the averages are 85.1 for Claude Mythos 5 and 46.3 for Muse Glimmer 30B.

### How many benchmarks does Claude Mythos 5 cover on BenchLM?

Claude Mythos 5 currently has 15 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

- [Claude Mythos 5 vs Claude Mythos 5.1](/compare/claude-mythos-5-vs-claude-mythos-5-1)
- [Muse Glimmer 30B vs Claude Mythos 5.1](/compare/claude-mythos-5-1-vs-muse-glimmer-30b)
- [Claude Mythos 5 vs Claude Mythos Preview](/compare/claude-mythos-5-vs-claude-mythos-preview)
- [Muse Glimmer 30B vs Claude Mythos Preview](/compare/claude-mythos-preview-vs-muse-glimmer-30b)

## Explore More

- [Claude Mythos 5 profile](/models/claude-mythos-5)
- [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)