# Kimi K2.7 Code vs Muse Spark 1.2

> Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 43.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-muse-spark-1-2
- Last updated: 2026-10-10
- Shared benchmarks: 9

## Summary

- They share 9 benchmarks with published results for both. Kimi K2.7 Code scores higher in 1 category and Muse Spark 1.2 in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Muse Spark 1.2 leads 50.4 to 38.2.
- The biggest single-benchmark swing is DeepSWE: 30.5% for Kimi K2.7 Code and 54.9% for Muse Spark 1.2.
- Kimi K2.7 Code is cheaper at $0.95 / $4 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.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.

## Snapshot

| | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| Provider | Moonshot AI | Meta |
| Noometry Index | 43.0 | 49.8 |
| Rank | 90 | 44 |
| Context | 262K | 1.05M |
| Input $/M | $0.95 | $1.25 |
| Output $/M | $4 | $4.25 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2.7 Code: 42.4 (#92)
- Muse Spark 1.2: 48.6 (#49)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| DeepSWE | 30.5% | 54.9% |
| LMArena WebDev | 1473 | 1532 |
| SciCode | 47.5% | 56.4% |
| WeirdML | 54.1% | 60.3% |
| FrontierCode | 30.1% | — |
| FrontierSWE | — | 12% |
| LMArena Coding | — | 1497 |
| ALE-Bench | 886.23 | — |

## Agentic & Tool Use

- Kimi K2.7 Code: 23.9 (#115)
- Muse Spark 1.2: 29.5 (#77)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| APEX-Agents | 37.6% | 36.4% |
| GBAEval | 0.9% | — |
| GDP.pdf | — | 16% |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 38.2 (#56)
- Muse Spark 1.2: 50.4 (#32)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| SimpleBench | 57.9% | 74.5% |
| CritPt | 10% | 17.7% |
| Epoch Capabilities Index | 150.01 | 155.18 |
| NYT Connections (extended) | — | 79.2% |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | — | 1490 |
| DTBench | — | 94.7% |
| LMCA | — | 48.4% |
| Surface Evolver Bench | 48.8% | — |

## Math

- Kimi K2.7 Code: 52.6 (#39)
- Muse Spark 1.2: 43.8 (#68)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| ProofBench | — | 43% |

## Knowledge

- Kimi K2.7 Code: 53.6 (#51)
- Muse Spark 1.2: 53.9 (#49)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| SimpleQA Verified | 36.5% | 60.3% |
| GPQA Diamond | 87.9% | — |
| LMArena Expert | — | 1485 |

## Multimodal

- Kimi K2.7 Code: —
- Muse Spark 1.2: 42.6 (#24)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| LMArena Vision | — | 1304 |

## Multilingual

- Kimi K2.7 Code: —
- Muse Spark 1.2: 57.4 (#10)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| LMArena Non-English | — | 1479 |
| LMArena Chinese | — | 1519 |
| LMArena Russian | — | 1494 |

## Instruction Following

- Kimi K2.7 Code: —
- Muse Spark 1.2: 77.1 (#30)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| LMArena Instruction Following | — | 1466 |

## Long Context

- Kimi K2.7 Code: —
- Muse Spark 1.2: 45.4 (#35)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| LMArena Longer Query | — | 1483 |

## Writing & Preference

- Kimi K2.7 Code: —
- Muse Spark 1.2: 72.6 (#14)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.2 |
|---|---|---|
| LMArena Text | — | 1486 |
| LMArena Creative Writing | — | 1444 |
| EQ-Bench Creative Writing | — | 1840 |
| LMArena Multi-Turn | — | 1504 |

## FAQ

### Is Kimi K2.7 Code better than Muse Spark 1.2?

Muse Spark 1.2 is the stronger model overall, scoring 49.8 to 43.0 on the Noometry Index.

### Which is cheaper, Kimi K2.7 Code or Muse Spark 1.2?

Kimi K2.7 Code is cheaper. It lists at $0.95 per million input tokens and $4 per million output tokens; Muse Spark 1.2 lists at $1.25 and $4.25.

### Is Kimi K2.7 Code or Muse Spark 1.2 better for coding?

Muse Spark 1.2 scores higher on coding benchmarks: 48.6 versus 42.4 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 Kimi K2.7 Code and Muse Spark 1.2 share?

9 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Muse Spark 1.2 has 28.