# Devstral 2 vs Muse Spark 1.2

> Muse Spark 1.2 has enough public results to be ranked (#44); Devstral 2 does not yet, so treat this comparison as directional.

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

## Summary

- They share 1 benchmark with published results for both. Devstral 2 scores higher in 0 categories and Muse Spark 1.2 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in coding, where Muse Spark 1.2 leads 48.6 to 33.0.
- Devstral 2 is cheaper at $0.40 / $2 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 262K.
- Devstral 2 has downloadable open weights; the other is API-only.

## Snapshot

| | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| Provider | Mistral AI | Meta |
| Noometry Index | 35.8 | 49.8 |
| Rank | — | 44 |
| Context | 262K | 1.05M |
| Input $/M | $0.40 | $1.25 |
| Output $/M | $2 | $4.25 |
| Weights | Open | Proprietary |

## Coding

- Devstral 2: 33.0 (#253)
- Muse Spark 1.2: 48.6 (#49)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| LMArena WebDev | 1196 | 1532 |
| DeepSWE | — | 54.9% |
| SWE-bench Verified (bash only) | 53.8% | — |
| FrontierSWE | — | 12% |
| SciCode | — | 56.4% |
| WeirdML | — | 60.3% |
| LMArena Coding | — | 1497 |

## Agentic & Tool Use

- Devstral 2: —
- Muse Spark 1.2: 29.5 (#77)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | — | 36.4% |
| GDP.pdf | — | 16% |

## Reasoning

- Devstral 2: —
- Muse Spark 1.2: 50.4 (#32)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| SimpleBench | — | 74.5% |
| NYT Connections (extended) | — | 79.2% |
| CritPt | — | 17.7% |
| LMArena Hard Prompts | — | 1490 |
| DTBench | — | 94.7% |
| LMCA | — | 48.4% |
| Epoch Capabilities Index | — | 155.18 |

## Math

- Devstral 2: —
- Muse Spark 1.2: 43.8 (#68)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| ProofBench | — | 43% |

## Knowledge

- Devstral 2: —
- Muse Spark 1.2: 53.9 (#49)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | — | 60.3% |
| LMArena Expert | — | 1485 |

## Multimodal

- Devstral 2: —
- Muse Spark 1.2: 42.6 (#24)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | — | 1304 |

## Multilingual

- Devstral 2: —
- Muse Spark 1.2: 57.4 (#10)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | — | 1479 |
| LMArena Chinese | — | 1519 |
| LMArena Russian | — | 1494 |

## Instruction Following

- Devstral 2: —
- Muse Spark 1.2: 77.1 (#30)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | — | 1466 |

## Long Context

- Devstral 2: —
- Muse Spark 1.2: 45.4 (#35)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | — | 1483 |

## Writing & Preference

- Devstral 2: —
- Muse Spark 1.2: 72.6 (#14)

| Benchmark | Devstral 2 | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | — | 1486 |
| LMArena Creative Writing | — | 1444 |
| EQ-Bench Creative Writing | — | 1840 |
| LMArena Multi-Turn | — | 1504 |

## FAQ

### Is Devstral 2 better than Muse Spark 1.2?

Muse Spark 1.2 has enough public results to be ranked (#44); Devstral 2 does not yet, so treat this comparison as directional.

### Which is cheaper, Devstral 2 or Muse Spark 1.2?

Devstral 2 is cheaper. It lists at $0.40 per million input tokens and $2 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

### Is Devstral 2 or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 33.0 in the Noometry coding category.

### Which has the bigger context window?

Muse Spark 1.2 does, with 1.05M tokens against 262K.

### How many benchmarks do Devstral 2 and Muse Spark 1.2 share?

1 benchmark has published results for both models. Devstral 2 has 2 scored results on Noometry and Muse Spark 1.2 has 28.