# Inkling vs Muse Spark

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

- Canonical page: https://benchlm.ai/compare/inkling-vs-muse-spark
- Last updated: October 14, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Muse Spark 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 leads overall 59.96 to 52.13.
- The clearest category separation is in reasoning, where the averages are 79 for Inkling and 57.1 for Muse Spark.
- The biggest single benchmark swing is HLE w/o tools in Knowledge, with scores of 30% and 42.8%.
- Inkling also has the larger context window at 1M.

## Model Snapshot

| Property | Inkling | Muse Spark |
|----------|----------|----------|
| Creator | Thinking Machines Lab | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Hybrid | Reasoning |
| Context | 1M | 262K |
| Overall Score | 52.13 | 59.96 |
| Benchmarks Covered | 24 | 25 |
| Pricing (input/output) | $1.87 / $4.68 | N/A |

## Category Breakdown

### Agentic

- Winner: Muse Spark
- Inkling public-lane score: 36.2 (Supported · #72/124)
- Muse Spark public-lane score: 50.4 (Supported · #45/124)

| Benchmark | Inkling | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 63.8% | Coming soon | Coming soon |
| BrowseComp | 77.1% | Coming soon | Coming soon |
| MCP Atlas | 74.1% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 47.6% | Coming soon | Coming soon |
| CWE-bench v1 | 37.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 59% | Coming soon |
| τ²-bench results | Coming soon | 91.5% | Coming soon |
| DeepSearchQA | Coming soon | 74.8% | Coming soon |
| CyberGym | Coming soon | 43.5% | Coming soon |
| Claw-Eval | Coming soon | 63.8% | Coming soon |

### Coding

- Winner: Muse Spark
- Inkling public-lane score: 34 (Supported · #80/149)
- Muse Spark public-lane score: 50.1 (Supported · #42/149)

| Benchmark | Inkling | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.6% | 77.4% | Inkling |
| SWE-bench Pro | 54.3% | 52.4% | Inkling |
| Terminal-Bench 2.1 | 63.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 4.1% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 85.5% | Coming soon | Coming soon |
| SWE-bench (Vals) | 77.6% | 74.4% | Inkling |
| LiveCodeBench Pro | Coming soon | 80.0% | Coming soon |
| Vibe Code Bench | Coming soon | 19.67% | Coming soon |

### Reasoning

- Winner: Not comparable
- Inkling public-lane score: 79 (#14/29)
- Muse Spark public-lane score: 57.1 (Unranked · 3 rankable rows)

| Benchmark | Inkling | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 42.5% | Coming soon |

### Multimodal & Grounded

- Winner: Muse Spark
- Inkling public-lane score: 67.5 (#35/54)
- Muse Spark public-lane score: 84.4 (#12/54)

| Benchmark | Inkling | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 73.5% | 80.4% | Muse Spark |
| CharXiv | 82% | 86.4% | Muse Spark |
| CharXiv w/o tools | 78.1% | Coming soon | Coming soon |
| ERQA | Coming soon | 64.7% | Coming soon |
| SimpleVQA | Coming soon | 71.3% | Coming soon |
| ScreenSpot Pro | Coming soon | 84.1% | Coming soon |
| ZeroBench | Coming soon | 33.0% | Coming soon |
| MedXpertQA (MM) | Coming soon | 78.4% | Coming soon |

### Knowledge

- Winner: Muse Spark
- Inkling public-lane score: 54.5 (Supported · #62/181)
- Muse Spark public-lane score: 62.1 (Supported · #43/181)

| Benchmark | Inkling | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.9% | Coming soon | Coming soon |
| GPQA-D | 87.9% | 89.5% | Muse Spark |
| HLE | 46% | 50.4% | Muse Spark |
| HLE w/o tools | 30% | 42.8% | Muse Spark |
| GPQA Diamond (Vals) | 87.1% | 89.6% | Muse Spark |
| MMLU-Pro (Vals) | 86.3% | 87.3% | Muse Spark |
| HealthBench Hard | Coming soon | 42.8% | Coming soon |
| MedXpertQA (Text) | Coming soon | 52.6% | Coming soon |

### Instruction Following

- Winner: Directional only
- Inkling public-lane score: 87.6 (#35/128)
- Muse Spark public-lane score: 93.3 (#10/128)

| Benchmark | Inkling | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 79.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Not comparable
- Inkling public-lane score: 58.3 (#11/12)
- Muse Spark public-lane score: Coming soon

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

## FAQ

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

Muse Spark is ahead overall on BenchLM right now.

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

The widest category gap is in reasoning, where the averages are 79 for Inkling and 57.1 for Muse Spark.

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

Inkling currently has 24 sourced benchmark scores on BenchLM.

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

Muse Spark currently has 25 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

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