# Kimi K2.5 Instant vs Phi-4

> Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 31.2 on the Noometry Index.

- Canonical page: https://noometry.com/compare/kimi-k2-5-instant-vs-phi-4
- 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-4 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 40.5.

## Snapshot

| | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| Provider | Moonshot AI | Microsoft |
| Noometry Index | 43.6 | 31.2 |
| Rank | 89 | 279 |
| Context | — | 128K |
| Input $/M | — | $0.07 |
| Output $/M | — | $0.14 |
| Weights | Open | Open |

## Coding

- Kimi K2.5 Instant: 42.6 (#97)
- Phi-4: 34.4 (#239)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Coding | 1484 | 1231 |
| LMArena WebDev | 1404 | — |
| BigCodeBench Instruct | — | 45.5% |
| LiveBench Coding | — | 30.7% |
| BigCodeBench Complete | — | 55.4% |

## Agentic & Tool Use

- Kimi K2.5 Instant: —
- Phi-4: 22.8 (#128)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 28.8% |
| BALROG | — | 11.6% |

## Reasoning

- Kimi K2.5 Instant: 29.7 (#90)
- Phi-4: 17.7 (#291)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1220 |
| Chess Puzzles | — | 1% |
| LiveBench Reasoning | — | 47.8% |
| LiveBench Data Analysis | — | 45.2% |
| Epoch Capabilities Index | — | 130.42 |
| LiveBench | — | 41.6% |

## Math

- Kimi K2.5 Instant: 39.4 (#105)
- Phi-4: 20.8 (#285)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Math | 1442 | 1246 |
| OTIS Mock AIME 2024-2025 | — | 13.8% |
| LiveBench Math | — | 42% |
| MATH Level 5 | — | 64.9% |

## Knowledge

- Kimi K2.5 Instant: 40.2 (#123)
- Phi-4: 32.6 (#209)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Expert | 1440 | 1203 |
| GPQA Diamond | — | 56.1% |
| Confabulations | — | 29.4% |
| Vectara Hallucination Rate | — | 3.7% |
| MMLU | — | 84.8% |

## Multimodal

- Kimi K2.5 Instant: 40.2 (#50)
- Phi-4: —

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Vision | 1254 | — |

## Multilingual

- Kimi K2.5 Instant: 52.0 (#94)
- Phi-4: 37.2 (#237)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Non-English | 1406 | 1197 |
| LMArena Chinese | 1449 | 1212 |
| LMArena French | 1403 | 1224 |
| LMArena German | 1413 | 1222 |
| LMArena Korean | 1378 | 1151 |
| LMArena Russian | 1404 | 1209 |
| LMArena Spanish | 1447 | 1234 |
| LMArena Japanese | — | 1158 |

## Instruction Following

- Kimi K2.5 Instant: 75.3 (#65)
- Phi-4: 60.4 (#251)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Instruction Following | 1430 | 1201 |
| LiveBench Instruction Following | — | 58.4% |

## Long Context

- Kimi K2.5 Instant: 43.9 (#83)
- Phi-4: 36.9 (#226)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Longer Query | 1435 | 1217 |

## Writing & Preference

- Kimi K2.5 Instant: 60.6 (#95)
- Phi-4: 40.5 (#244)

| Benchmark | Kimi K2.5 Instant | Phi-4 |
|---|---|---|
| LMArena Text | 1420 | 1217 |
| LMArena Creative Writing | 1381 | 1182 |
| LMArena Multi-Turn | 1427 | 1206 |
| Short-Story Creative Writing | — | 62.6% |
| LiveBench Language | — | 25.6% |

## FAQ

### Is Kimi K2.5 Instant better than Phi-4?

Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 31.2 on the Noometry Index.

### Is Kimi K2.5 Instant or Phi-4 better for coding?

Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 34.4 in the Noometry coding category.

### How many benchmarks do Kimi K2.5 Instant and Phi-4 share?

16 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Phi-4 has 37.