# Kimi K2.5 Instant vs Phi 3 Small 8k Instruct

> Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-5-instant-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- 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 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2.5 Instant leads 60.8 to 31.3.

## Snapshot

| | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Moonshot AI | Microsoft |
| Noometry Index | 42.9 | 28.8 |
| Rank | 92 | 310 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Kimi K2.5 Instant: 42.3 (#95)
- Phi 3 Small 8k Instruct: 27.4 (#313)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1483 | 1102 |
| LMArena WebDev | 1404 | — |
| LiveBench Coding | — | 20.3% |

## Reasoning

- Kimi K2.5 Instant: 28.5 (#88)
- Phi 3 Small 8k Instruct: 14.2 (#319)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1100 |
| LiveBench Reasoning | — | 15.9% |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Kimi K2.5 Instant: 36.6 (#105)
- Phi 3 Small 8k Instruct: 25.4 (#247)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1443 | 1151 |
| LiveBench Math | — | 17.6% |

## Knowledge

- Kimi K2.5 Instant: 39.5 (#121)
- Phi 3 Small 8k Instruct: 28.5 (#237)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1438 | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multimodal

- Kimi K2.5 Instant: 39.5 (#47)
- Phi 3 Small 8k Instruct: —

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Vision | 1254 | — |

## Multilingual

- Kimi K2.5 Instant: 52.2 (#89)
- Phi 3 Small 8k Instruct: 28.6 (#267)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1406 | 1058 |
| LMArena Chinese | 1450 | 1061 |
| LMArena French | 1403 | 1134 |
| LMArena German | 1413 | 1080 |
| LMArena Korean | 1378 | 894 |
| LMArena Russian | 1404 | 1111 |
| LMArena Spanish | 1448 | 1111 |
| LMArena Japanese | — | 966 |

## Instruction Following

- Kimi K2.5 Instant: 75.5 (#61)
- Phi 3 Small 8k Instruct: 52.2 (#287)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1430 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- Kimi K2.5 Instant: 43.8 (#82)
- Phi 3 Small 8k Instruct: 33.0 (#262)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1435 | 1088 |

## Writing & Preference

- Kimi K2.5 Instant: 60.8 (#91)
- Phi 3 Small 8k Instruct: 31.3 (#279)

| Benchmark | Kimi K2.5 Instant | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1420 | 1110 |
| LMArena Creative Writing | 1379 | 1083 |
| LMArena Multi-Turn | 1427 | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Kimi K2.5 Instant better than Phi 3 Small 8k Instruct?

Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 28.8 on the Noometry Index.

### Is Kimi K2.5 Instant or Phi 3 Small 8k Instruct better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.3 versus 27.4 in the Noometry coding category.

### How many benchmarks do Kimi K2.5 Instant and Phi 3 Small 8k Instruct share?

16 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Phi 3 Small 8k Instruct has 32.