# Inkling-Small vs Muse Spark 1.2

> Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 46.5 on the Noometry Index. Inkling-Small costs 3.1× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/inkling-small-vs-muse-spark-1-2
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Inkling-Small scores higher in 0 categories and Muse Spark 1.2 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Muse Spark 1.2 leads 72.3 to 59.6.
- The biggest single-benchmark swing is SimpleQA Verified: 19.1% for Inkling-Small and 60.3% for Muse Spark 1.2.
- Inkling-Small is cheaper at $0.45 / $1.20 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.2.
- Muse Spark 1.2 accepts more context: 1.05M tokens versus 524K.
- Inkling-Small has downloadable open weights; the other is API-only.

## Snapshot

| | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| Provider | Thinking Machines Lab | Meta |
| Noometry Index | 46.5 | 50.3 |
| Rank | 63 | 48 |
| Context | 524K | 1.05M |
| Input $/M | $0.45 | $1.25 |
| Output $/M | $1.20 | $4.25 |
| Weights | Open | Proprietary |

## Coding

- Inkling-Small: 43.6 (#85)
- Muse Spark 1.2: 49.2 (#51)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| LMArena WebDev | 1409 | 1533 |
| SciCode | 48.7% | 56.4% |
| LMArena Coding | 1451 | 1495 |
| DeepSWE | — | 54.9% |
| FrontierSWE | — | 12% |
| WeirdML | — | 60.3% |

## Agentic & Tool Use

- Inkling-Small: —
- Muse Spark 1.2: 29.4 (#87)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | — | 36.4% |
| GDP.pdf | — | 16% |

## Reasoning

- Inkling-Small: 38.6 (#63)
- Muse Spark 1.2: 51.3 (#34)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| CritPt | 8.3% | 17.7% |
| LMArena Hard Prompts | 1423 | 1486 |
| Epoch Capabilities Index | 150.15 | 154.87 |
| ARC-AGI-2 | 40.1% | — |
| SimpleBench | — | 74.5% |
| NYT Connections (extended) | — | 79.2% |
| ARC-AGI-1 | 84% | — |
| Chess Puzzles | 18% | — |
| Mystery Game Puzzles | 6% | — |
| DTBench | — | 94.7% |
| LMCA | — | 48.4% |

## Math

- Inkling-Small: 45.1 (#77)
- Muse Spark 1.2: 46.4 (#70)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| ProofBench | 6% | 43% |
| LMArena Math | 1459 | 1471 |
| FrontierMath (Tiers 1-3) | 46.3% | — |
| FrontierMath Tier 4 | 17.1% | — |
| OTIS Mock AIME 2024-2025 | 90% | — |

## Knowledge

- Inkling-Small: 48.2 (#77)
- Muse Spark 1.2: 54.1 (#53)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | 19.1% | 60.3% |
| LMArena Expert | 1442 | 1480 |
| GPQA Diamond | 88.5% | — |

## Multimodal

- Inkling-Small: 39.1 (#62)
- Muse Spark 1.2: 43.4 (#25)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | 1235 | 1305 |

## Multilingual

- Inkling-Small: 51.7 (#104)
- Muse Spark 1.2: 57.1 (#11)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | 1402 | 1478 |
| LMArena Chinese | 1465 | 1511 |
| LMArena French | 1436 | 1513 |
| LMArena Russian | 1391 | 1487 |
| LMArena Spanish | 1428 | 1498 |
| LMArena German | 1405 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1363 | — |

## Instruction Following

- Inkling-Small: 73.8 (#114)
- Muse Spark 1.2: 76.7 (#36)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | 1399 | 1461 |

## Long Context

- Inkling-Small: 42.7 (#118)
- Muse Spark 1.2: 45.2 (#48)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | 1401 | 1475 |

## Writing & Preference

- Inkling-Small: 59.6 (#107)
- Muse Spark 1.2: 72.3 (#14)

| Benchmark | Inkling-Small | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | 1414 | 1482 |
| LMArena Creative Writing | 1331 | 1449 |
| EQ-Bench Creative Writing | 1491 | 1840 |
| LMArena Multi-Turn | 1418 | 1494 |

## FAQ

### Is Inkling-Small better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 50.3 to 46.5 on the Noometry Index. Inkling-Small costs 3.1× less per token, which makes it the better buy when Muse Spark 1.2's lead doesn't matter for your workload.

### Which is cheaper, Inkling-Small or Muse Spark 1.2?

Inkling-Small is cheaper. It lists at $0.45 per million input tokens and $1.20 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

### Is Inkling-Small or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 49.2 versus 43.6 in the Noometry coding category.

### Which has the bigger context window?

Muse Spark 1.2 does, with 1.05M tokens against 524K.

### How many benchmarks do Inkling-Small and Muse Spark 1.2 share?

22 benchmarks have published results for both models. Inkling-Small has 33 scored results on Noometry and Muse Spark 1.2 has 31.