# Gemini 2.5 Flash-Lite vs Phi 3 Medium 4k Instruct

> Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 33.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-lite-vs-phi-3-medium-4k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 7 categories and Phi 3 Medium 4k Instruct in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemini 2.5 Flash-Lite leads 56.8 to 34.1.
- Phi 3 Medium 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| Provider | Google | Microsoft |
| Noometry Index | 37.0 | 33.0 |
| Rank | 211 | 250 |
| Context | 1.05M | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.40 | — |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Flash-Lite: 38.5 (#173)
- Phi 3 Medium 4k Instruct: 32.9 (#268)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Coding | 1373 | 1130 |
| WeirdML | 35.2% | — |
| ALE-Bench | 325.9 | — |

## Agentic & Tool Use

- Gemini 2.5 Flash-Lite: 28.0 (#96)
- Phi 3 Medium 4k Instruct: —

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |

## Reasoning

- Gemini 2.5 Flash-Lite: 22.2 (#205)
- Phi 3 Medium 4k Instruct: 21.7 (#214)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1377 | 1127 |
| Kagi LLM Benchmark | 40.5% | — |
| DTBench | 62.8% | — |
| LMCA | 18.1% | — |
| Epoch Capabilities Index | 133.94 | — |

## Math

- Gemini 2.5 Flash-Lite: 38.0 (#144)
- Phi 3 Medium 4k Instruct: 33.4 (#202)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Math | 1373 | 1173 |
| Omni-MATH | 48% | — |

## Knowledge

- Gemini 2.5 Flash-Lite: 32.5 (#210)
- Phi 3 Medium 4k Instruct: 30.2 (#229)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Expert | 1373 | 1108 |
| MMLU-Pro | 53.7% | — |
| Vectara Hallucination Rate | 3.3% | — |
| GPQA (HELM) | 30.9% | — |

## Multimodal

- Gemini 2.5 Flash-Lite: 29.1 (#114)
- Phi 3 Medium 4k Instruct: —

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |

## Multilingual

- Gemini 2.5 Flash-Lite: 49.3 (#134)
- Phi 3 Medium 4k Instruct: 30.6 (#263)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Non-English | 1369 | 1094 |
| LMArena Chinese | 1404 | 1108 |
| LMArena French | 1388 | 1110 |
| LMArena German | 1389 | 1101 |
| LMArena Japanese | 1359 | 1042 |
| LMArena Korean | 1360 | 954 |
| LMArena Russian | 1373 | 1145 |
| LMArena Spanish | 1396 | 1095 |

## Instruction Following

- Gemini 2.5 Flash-Lite: 70.0 (#168)
- Phi 3 Medium 4k Instruct: 57.6 (#268)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1367 | 1113 |
| IFEval | 81% | — |

## Long Context

- Gemini 2.5 Flash-Lite: 33.3 (#262)
- Phi 3 Medium 4k Instruct: 34.0 (#255)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1373 | 1120 |
| Fiction.LiveBench | 47.2% | — |

## Writing & Preference

- Gemini 2.5 Flash-Lite: 56.8 (#135)
- Phi 3 Medium 4k Instruct: 34.1 (#272)

| Benchmark | Gemini 2.5 Flash-Lite | Phi 3 Medium 4k Instruct |
|---|---|---|
| LMArena Text | 1379 | 1138 |
| LMArena Creative Writing | 1367 | 1107 |
| LMArena Multi-Turn | 1366 | 1088 |
| WildBench | 81.8% | — |

## FAQ

### Is Gemini 2.5 Flash-Lite better than Phi 3 Medium 4k Instruct?

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 33.0 on the Noometry Index.

### Is Gemini 2.5 Flash-Lite or Phi 3 Medium 4k Instruct better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.5 versus 32.9 in the Noometry coding category.

### How many benchmarks do Gemini 2.5 Flash-Lite and Phi 3 Medium 4k Instruct share?

17 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Phi 3 Medium 4k Instruct has 17.