# Claude Fable 5 vs Muse Glimmer 30B

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

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

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Claude Fable 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 Fable 5 leads overall 79.07 to 41.73.
- The clearest category separation is in agentic, where the averages are 73.7 for Claude Fable 5 and 27.6 for Muse Glimmer 30B.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Coding, with scores of 84.3% 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 Fable 5 also has the larger context window at 1M+.

## Model Snapshot

| Property | Claude Fable 5 | Muse Glimmer 30B |
|----------|----------|----------|
| Creator | Anthropic | Meta |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M+ | 131K |
| Overall Score | 79.07 | 41.73 |
| Benchmarks Covered | 21 | 14 |
| Pricing (input/output) | $10.00 / $50.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- Claude Fable 5 public-lane score: 73.7 (Supported · #4/105)
- Muse Glimmer 30B public-lane score: 27.6 (Estimated · #72/105)

| Benchmark | Claude Fable 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 3.0 | 34.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 84.3% | Coming soon | Coming soon |
| OSWorld-Verified | 85% | 65.9% | Claude Fable 5 |
| Terminal-Bench 2.1 (Vals) | 80.5% | Coming soon | Coming soon |
| ApprenticeBench | 34% | 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: Directional only
- Claude Fable 5 public-lane score: 74.5 (Supported · #4/135)
- Muse Glimmer 30B public-lane score: 36.3 (Estimated · #69/135)

| Benchmark | Claude Fable 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 95% | 76% | Claude Fable 5 |
| SWE-bench Pro | 80% | 51.2% | Claude Fable 5 |
| FrontierSWE v2 | 47.0% | Coming soon | Coming soon |
| FrontierCode 1.1 Main | 53.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 84.3% | 51.7% | Claude Fable 5 |
| cursorBench31 | 70.6% | Coming soon | Coming soon |
| cursorBench32 | 70.5% | Coming soon | Coming soon |
| VulcanBench v3 | 89.5% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 89.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 95.0% | Coming soon | Coming soon |
| SciCode | Coming soon | 43.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- Claude Fable 5 public-lane score: 80.6 (Unranked · 4 rankable rows)
- Muse Glimmer 30B public-lane score: 79.3 (Unranked · 2 rankable rows)

| Benchmark | Claude Fable 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-1 | 98.50% | Coming soon | Coming soon |
| ARC-AGI-2 | 89.2% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Claude Fable 5 public-lane score: 62.6 (Unranked · 2 rankable rows)
- Muse Glimmer 30B public-lane score: 46.3 (#42/50)

| Benchmark | Claude Fable 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| Blueprint-Bench 2 | 38.6% | Coming soon | Coming soon |
| OfficeQA Pro | 57.9% | Coming soon | Coming soon |
| 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: Directional only
- Claude Fable 5 public-lane score: 81.8 (Supported · #4/158)
- Muse Glimmer 30B public-lane score: 43.9 (Estimated · #75/158)

| Benchmark | Claude Fable 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 93.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 91.5% | Coming soon | Coming soon |

### Instruction Following

- Winner: Directional only
- Claude Fable 5 public-lane score: 75.7 (#58/124)
- Muse Glimmer 30B public-lane score: 77.7 (#55/124)

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

### Mathematics

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

| Benchmark | Claude Fable 5 | Muse Glimmer 30B | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 94.7% | Coming soon |

## FAQ

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

Claude Fable 5 is ahead overall on BenchLM right now.

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

The widest category gap is in agentic, where the averages are 73.7 for Claude Fable 5 and 27.6 for Muse Glimmer 30B.

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

Claude Fable 5 currently has 21 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 Fable 5 vs Claude Fable 5.1](/compare/claude-fable-vs-claude-fable-5-1)
- [Muse Glimmer 30B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-muse-glimmer-30b)
- [Claude Fable 5 vs GPT-6 Astra](/compare/claude-fable-vs-gpt-6-astra)
- [Muse Glimmer 30B vs GPT-6 Astra](/compare/gpt-6-astra-vs-muse-glimmer-30b)

## Explore More

- [Claude Fable 5 profile](/models/claude-fable)
- [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)