# Inkling vs Muse Spark 1.3

> Side-by-side benchmark comparison for Inkling and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/inkling-vs-muse-spark-1-3
- Last updated: October 17, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Muse Spark 1.3 if you want the stronger benchmark profile. Inkling only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Muse Spark 1.3 leads overall 73 to 52.6.
- The clearest category separation is in mathematics, where the averages are 58.3 for Inkling and 78.5 for Muse Spark 1.3.
- The biggest single benchmark swing is FrontierMath v2 (Tier 4) in Mathematics, with scores of 4.878% and 46.341%.
- Muse Spark 1.3 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Inkling | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Thinking Machines Lab | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 1M |
| Overall Score | 52.6 | null |
| Benchmarks Covered | 24 | 20 |
| Pricing (input/output) | $1.87 / $4.68 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Inkling public-lane score: 37.2 (Supported · #74/128)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 63.8% | 88.8% | Muse Spark 1.3 |
| BrowseComp | 77.1% | Coming soon | Coming soon |
| MCP Atlas | 74.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 47.6% | 72.3% | Muse Spark 1.3 |
| CWE-bench v1 | 37.0% | 55.0% | Muse Spark 1.3 |
| JobBench | Coming soon | 64.9% | Coming soon |
| OSWorld 2.0 | Coming soon | 66.9% | Coming soon |
| DeepSearchQA | Coming soon | 89.4% | Coming soon |
| AutomationBench | Coming soon | 49.4% | Coming soon |
| ApprenticeBench | Coming soon | 19% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Not comparable
- Inkling public-lane score: 33.9 (Supported · #82/150)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.6% | Coming soon | Coming soon |
| SWE-bench Pro | 54.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 63.8% | 88.8% | Muse Spark 1.3 |
| FrontierSWE v2 | 4.1% | 25.8% | Muse Spark 1.3 |
| LiveCodeBench (Vals) | 85.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 77.6% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 75.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 59.4% | Coming soon |
| CursorBench 4.0 | Coming soon | 41.6% | Coming soon |
| Bug Hunt Bench | Coming soon | 32.2 fixes | Coming soon |

### Reasoning

- Winner: Directional only
- Inkling public-lane score: 79 (#14/28)
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 256K-512K | Coming soon | 98.5% | Coming soon |
| MRCR v2 512K-1M | Coming soon | 98.1% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Inkling public-lane score: 67.5 (#35/54)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 73.5% | Coming soon | Coming soon |
| CharXiv | 82% | Coming soon | Coming soon |
| CharXiv w/o tools | 78.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Not comparable
- Inkling public-lane score: 54.6 (Supported · #63/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.9% | Coming soon | Coming soon |
| GPQA-D | 87.9% | Coming soon | Coming soon |
| HLE | 46% | Coming soon | Coming soon |
| HLE w/o tools | 30% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 87.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.3% | Coming soon | Coming soon |

### Instruction Following

- Winner: Not comparable
- Inkling public-lane score: 87.6 (#36/148)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.8% | Coming soon | Coming soon |
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Not comparable
- Inkling public-lane score: 58.3 (#11/12)
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | Inkling | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.1% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 33.333% | 74.035% | Muse Spark 1.3 |
| FrontierMath v2 (Tier 4) | 4.878% | 46.341% | Muse Spark 1.3 |

## FAQ

### Which is better overall, Inkling or Muse Spark 1.3?

Muse Spark 1.3 is ahead overall on BenchLM right now.

### Where is the biggest gap between Inkling and Muse Spark 1.3?

The widest category gap is in mathematics, where the averages are 58.3 for Inkling and 78.5 for Muse Spark 1.3.

### How many benchmarks does Inkling cover on BenchLM?

Inkling currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Muse Spark 1.3 cover on BenchLM?

Muse Spark 1.3 currently has 20 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Inkling vs Inkling-Small](/compare/inkling-vs-inkling-small)
- [Muse Spark 1.3 vs Inkling-Small](/compare/inkling-small-vs-muse-spark-1-3)
- [Inkling vs Muse Spark 1.1](/compare/inkling-vs-muse-spark-1-1)
- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)

## Explore More

- [Inkling profile](/models/inkling)
- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)