# Kimi K2.5 vs Muse Glimmer

> Kimi K2.5 is the stronger model overall, scoring 48.1 to 41.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-5-vs-muse-glimmer
- Last updated: 2026-10-10
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. Kimi K2.5 scores higher in 8 categories and Muse Glimmer in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2.5 leads 53.6 to 38.5.

## Snapshot

| | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| Provider | Moonshot AI | Meta |
| Noometry Index | 48.1 | 41.7 |
| Rank | 57 | 131 |
| Context | 262K | — |
| Input $/M | $0.45 | — |
| Output $/M | $2.25 | — |
| Weights | Open | Open |

## Coding

- Kimi K2.5: 48.8 (#53)
- Muse Glimmer: 40.4 (#142)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena WebDev | 1437 | 1355 |
| SciCode | 49% | 44.9% |
| LMArena Coding | 1474 | 1416 |
| SWE-bench Verified | 73.8% | — |
| SWE-bench Verified (bash only) | 70.8% | — |
| SWE-bench Multilingual | 67.3% | — |
| WeirdML | 45.6% | — |
| ALE-Bench | 821.65 | — |

## Agentic & Tool Use

- Kimi K2.5: 34.2 (#48)
- Muse Glimmer: —

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| Terminal-Bench | 43.2% | — |
| OSWorld | 63.3% | — |
| Vending-Bench 2 | 1,198 | — |

## Reasoning

- Kimi K2.5: 31.2 (#80)
- Muse Glimmer: 25.7 (#144)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| CritPt | 3.1% | 2.6% |
| LMArena Hard Prompts | 1453 | 1396 |
| ARC-AGI-2 | 11.8% | — |
| SimpleBench | 46.8% | — |
| Kagi LLM Benchmark | 78.5% | — |
| NYT Connections (extended) | 69.9% | — |
| ARC-AGI-1 | 65.3% | — |
| Chess Puzzles | 12% | — |
| EnigmaEval | 3.4% | — |
| Thematic Generalization | 69.4% | — |
| Epoch Capabilities Index | 148.03 | — |

## Math

- Kimi K2.5: 51.8 (#53)
- Muse Glimmer: 38.8 (#125)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Math | 1470 | 1417 |
| MathArena Final-Answer Competitions | 62.3% | — |
| OTIS Mock AIME 2024-2025 | 92.2% | — |
| FrontierMath (Feb 2025 set) | 27.9% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Kimi K2.5: 53.6 (#56)
- Muse Glimmer: 38.5 (#143)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Expert | 1466 | 1386 |
| GPQA Diamond | 87.6% | — |
| Humanity's Last Exam | 24.4% | — |
| SimpleQA Verified | 34.3% | — |
| Vectara Hallucination Rate | 14.2% | — |

## Multimodal

- Kimi K2.5: 41.1 (#39)
- Muse Glimmer: —

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Vision | 1269 | — |
| LMArena Document | 1430 | — |

## Multilingual

- Kimi K2.5: 53.9 (#53)
- Muse Glimmer: 50.5 (#122)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Non-English | 1433 | 1384 |
| LMArena Chinese | 1495 | 1412 |
| LMArena Russian | 1435 | 1390 |
| LMArena French | 1454 | — |
| LMArena German | 1441 | — |
| LMArena Japanese | 1421 | — |
| LMArena Korean | 1410 | — |
| LMArena Spanish | 1450 | — |

## Instruction Following

- Kimi K2.5: 75.3 (#64)
- Muse Glimmer: 72.6 (#135)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Instruction Following | 1431 | 1375 |

## Long Context

- Kimi K2.5: 52.1 (#7)
- Muse Glimmer: 42.1 (#129)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Longer Query | 1445 | 1382 |
| Fiction.LiveBench | 86.1% | — |
| CL-bench | 19.3% | — |
| CL-bench Life | 13.2% | — |

## Writing & Preference

- Kimi K2.5: 65.1 (#53)
- Muse Glimmer: 57.5 (#126)

| Benchmark | Kimi K2.5 | Muse Glimmer |
|---|---|---|
| LMArena Text | 1445 | 1389 |
| LMArena Creative Writing | 1423 | 1339 |
| LMArena Multi-Turn | 1444 | 1399 |
| EQ-Bench Creative Writing | 1579 | — |

## FAQ

### Is Kimi K2.5 better than Muse Glimmer?

Kimi K2.5 is the stronger model overall, scoring 48.1 to 41.7 on the Noometry Index.

### Is Kimi K2.5 or Muse Glimmer better for coding?

Kimi K2.5 scores higher on coding benchmarks: 48.8 versus 40.4 in the Noometry coding category.

### How many benchmarks do Kimi K2.5 and Muse Glimmer share?

15 benchmarks have published results for both models. Kimi K2.5 has 51 scored results on Noometry and Muse Glimmer has 15.