# Kimi K2.5 Instant vs Phi 3 Mini 128k Instruct

> Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-5-instant-vs-phi-3-mini-128k-instruct
- Last updated: 2026-10-12
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Kimi K2.5 Instant scores higher in 8 categories and Phi 3 Mini 128k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2.5 Instant leads 60.6 to 27.1.

## Snapshot

| | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| Provider | Moonshot AI | Microsoft |
| Noometry Index | 43.6 | 29.7 |
| Rank | 89 | 305 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Kimi K2.5 Instant: 42.6 (#97)
- Phi 3 Mini 128k Instruct: 28.8 (#312)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Coding | 1484 | 1039 |
| LMArena WebDev | 1404 | — |
| BigCodeBench Instruct | — | 29.6% |
| BigCodeBench Complete | — | 40.6% |

## Reasoning

- Kimi K2.5 Instant: 29.7 (#90)
- Phi 3 Mini 128k Instruct: 19.6 (#256)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1028 |

## Math

- Kimi K2.5 Instant: 39.4 (#105)
- Phi 3 Mini 128k Instruct: 31.6 (#222)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Math | 1442 | 1089 |

## Knowledge

- Kimi K2.5 Instant: 40.2 (#123)
- Phi 3 Mini 128k Instruct: 26.8 (#254)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | 1440 | 984 |

## Multimodal

- Kimi K2.5 Instant: 40.2 (#50)
- Phi 3 Mini 128k Instruct: —

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Vision | 1254 | — |

## Multilingual

- Kimi K2.5 Instant: 52.0 (#94)
- Phi 3 Mini 128k Instruct: 25.2 (#285)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | 1406 | 1000 |
| LMArena Chinese | 1449 | 1016 |
| LMArena French | 1403 | 1039 |
| LMArena German | 1413 | 1006 |
| LMArena Korean | 1378 | 856 |
| LMArena Russian | 1404 | 1004 |
| LMArena Spanish | 1447 | 1059 |
| LMArena Japanese | — | 899 |

## Instruction Following

- Kimi K2.5 Instant: 75.3 (#65)
- Phi 3 Mini 128k Instruct: 51.8 (#294)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | 1430 | 1023 |

## Long Context

- Kimi K2.5 Instant: 43.9 (#83)
- Phi 3 Mini 128k Instruct: 30.4 (#289)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | 1435 | 996 |

## Writing & Preference

- Kimi K2.5 Instant: 60.6 (#95)
- Phi 3 Mini 128k Instruct: 27.1 (#301)

| Benchmark | Kimi K2.5 Instant | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | 1420 | 1050 |
| LMArena Creative Writing | 1381 | 1024 |
| LMArena Multi-Turn | 1427 | 989 |

## FAQ

### Is Kimi K2.5 Instant better than Phi 3 Mini 128k Instruct?

Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 29.7 on the Noometry Index.

### Is Kimi K2.5 Instant or Phi 3 Mini 128k Instruct better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 28.8 in the Noometry coding category.

### How many benchmarks do Kimi K2.5 Instant and Phi 3 Mini 128k Instruct share?

16 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.