# Kimi K2.7 Code vs Muse Spark 1.3

> Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 43.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-7-code-vs-muse-spark-1-3
- 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 1.3 in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Muse Spark 1.3 leads 73.1 to 52.9.
- The biggest single-benchmark swing is FrontierMath Tier 4: 12.2% for Kimi K2.7 Code and 46.3% for Muse Spark 1.3.
- Kimi K2.7 Code is cheaper at $0.95 / $4 per million input/output tokens, against $1.25 / $4.25 for Muse Spark 1.3.
- Muse Spark 1.3 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 1.3 |
|---|---|---|
| Provider | Moonshot AI | Meta |
| Noometry Index | 43.3 | 54.8 |
| Rank | 94 | 27 |
| Context | 262K | 1.05M |
| Input $/M | $0.95 | $1.25 |
| Output $/M | $4 | $4.25 |
| Weights | Open | Proprietary |

## Coding

- Kimi K2.7 Code: 42.9 (#95)
- Muse Spark 1.3: 56.6 (#21)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| LMArena WebDev | 1473 | 1657 |
| SciCode | 47.5% | 59.7% |
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| CursorBench | — | 41.6% |
| WeirdML | 54.1% | — |
| LMArena Coding | — | 1514 |
| ALE-Bench | 886.23 | — |

## Agentic & Tool Use

- Kimi K2.7 Code: 24.0 (#122)
- Muse Spark 1.3: 38.6 (#30)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| APEX-Agents | 37.6% | 57.8% |
| GBAEval | 0.9% | — |
| GDP.pdf | — | 27.6% |
| Vending-Bench 2 | 5,083 | — |

## Reasoning

- Kimi K2.7 Code: 39.0 (#61)
- Muse Spark 1.3: 54.0 (#27)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| CritPt | 10% | 26% |
| Chess Puzzles | 21% | 38% |
| Epoch Capabilities Index | 149.97 | 156.75 |
| SimpleBench | 57.9% | — |
| NYT Connections (extended) | — | 85.1% |
| LMArena Hard Prompts | — | 1503 |
| Mystery Game Puzzles | — | 25% |
| DTBench | — | 96.5% |
| LMCA | — | 53.9% |
| Surface Evolver Bench | 48.8% | — |
| Bench to the Future 3 | — | 0.14 |

## Math

- Kimi K2.7 Code: 52.9 (#48)
- Muse Spark 1.3: 73.1 (#21)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | 74.4% |
| FrontierMath Tier 4 | 12.2% | 46.3% |
| OTIS Mock AIME 2024-2025 | 95.6% | 99.2% |
| ProofBench | — | 58% |
| LMArena Math | — | 1494 |

## Knowledge

- Kimi K2.7 Code: 53.5 (#57)
- Muse Spark 1.3: 42.6 (#95)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1516 |

## Multimodal

- Kimi K2.7 Code: —
- Muse Spark 1.3: 43.7 (#22)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| LMArena Vision | — | 1309 |
| LMArena Document | — | 1471 |

## Multilingual

- Kimi K2.7 Code: —
- Muse Spark 1.3: 57.4 (#8)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| LMArena Non-English | — | 1481 |
| LMArena Chinese | — | 1529 |
| LMArena French | — | 1524 |
| LMArena German | — | 1515 |
| LMArena Japanese | — | 1474 |
| LMArena Korean | — | 1501 |
| LMArena Russian | — | 1490 |
| LMArena Spanish | — | 1490 |

## Instruction Following

- Kimi K2.7 Code: —
- Muse Spark 1.3: 77.5 (#22)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| LMArena Instruction Following | — | 1477 |

## Long Context

- Kimi K2.7 Code: —
- Muse Spark 1.3: 45.6 (#32)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| LMArena Longer Query | — | 1488 |

## Writing & Preference

- Kimi K2.7 Code: —
- Muse Spark 1.3: 73.6 (#9)

| Benchmark | Kimi K2.7 Code | Muse Spark 1.3 |
|---|---|---|
| LMArena Text | — | 1490 |
| LMArena Creative Writing | — | 1455 |
| EQ-Bench Creative Writing | — | 1906 |
| LMArena Multi-Turn | — | 1482 |

## FAQ

### Is Kimi K2.7 Code better than Muse Spark 1.3?

Muse Spark 1.3 is the stronger model overall, scoring 54.8 to 43.3 on the Noometry Index.

### Which is cheaper, Kimi K2.7 Code or Muse Spark 1.3?

Kimi K2.7 Code is cheaper. It lists at $0.95 per million input tokens and $4 per million output tokens; Muse Spark 1.3 lists at $1.25 and $4.25.

### Is Kimi K2.7 Code or Muse Spark 1.3 better for coding?

Muse Spark 1.3 scores higher on coding benchmarks: 56.6 versus 42.9 in the Noometry coding category.

### Which has the bigger context window?

Muse Spark 1.3 does, with 1.05M tokens against 262K.

### How many benchmarks do Kimi K2.7 Code and Muse Spark 1.3 share?

9 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Muse Spark 1.3 has 37.