# Gemini 2.5 Flash vs Phi 3 Mini 4k Instruct

> Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 27.9 on the Noometry Index.

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

## Summary

- They share 17 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 8 categories and Phi 3 Mini 4k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Gemini 2.5 Flash leads 75.7 to 47.7.
- Phi 3 Mini 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| Provider | Google | Microsoft |
| Noometry Index | 39.3 | 27.9 |
| Rank | 170 | 328 |
| Context | 1.05M | — |
| Input $/M | $0.30 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Flash: 35.8 (#220)
- Phi 3 Mini 4k Instruct: 26.6 (#323)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Coding | 1424 | 1093 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| LiveBench Coding | — | 15.5% |
| ALE-Bench | 661.88 | — |
| HumanEval+ | — | 59.1% |
| MBPP+ | — | 54.2% |

## Agentic & Tool Use

- Gemini 2.5 Flash: 30.8 (#74)
- Phi 3 Mini 4k Instruct: —

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |

## Reasoning

- Gemini 2.5 Flash: 18.1 (#286)
- Phi 3 Mini 4k Instruct: 14.1 (#328)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1072 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | — | 0% |
| EnigmaEval | 2.7% | — |
| LiveBench Reasoning | — | 26.8% |
| DTBench | 76.5% | — |
| LiveBench Data Analysis | — | 34.7% |
| LMCA | 27.5% | — |
| Adversarial NLI | — | 52.8% |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | 143.03 | — |
| ForecastBench | 60.6 | — |
| HellaSwag | — | 76.7% |
| LiveBench | — | 22.4% |
| WinoGrande | — | 70.8% |

## Math

- Gemini 2.5 Flash: 39.9 (#98)
- Phi 3 Mini 4k Instruct: 26.6 (#257)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Math | 1415 | 1111 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| LiveBench Math | — | 15.7% |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Gemini 2.5 Flash: 36.4 (#168)
- Phi 3 Mini 4k Instruct: 28.5 (#246)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Expert | 1426 | 1045 |
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
| ARC (AI2) Challenge | — | 84.9% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 64% |

## Multimodal

- Gemini 2.5 Flash: 41.8 (#32)
- Phi 3 Mini 4k Instruct: —

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Vision | 1253 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |

## Multilingual

- Gemini 2.5 Flash: 52.3 (#88)
- Phi 3 Mini 4k Instruct: 26.3 (#280)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Non-English | 1409 | 1021 |
| LMArena Chinese | 1450 | 1021 |
| LMArena French | 1433 | 1076 |
| LMArena German | 1418 | 1044 |
| LMArena Japanese | 1405 | 935 |
| LMArena Korean | 1385 | 905 |
| LMArena Russian | 1415 | 1022 |
| LMArena Spanish | 1421 | 1085 |

## Instruction Following

- Gemini 2.5 Flash: 75.7 (#54)
- Phi 3 Mini 4k Instruct: 47.7 (#303)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1405 | 1053 |
| LiveBench Instruction Following | — | 39.1% |
| IFEval | 89.8% | — |

## Long Context

- Gemini 2.5 Flash: 47.5 (#17)
- Phi 3 Mini 4k Instruct: 31.7 (#276)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1419 | 1044 |
| Fiction.LiveBench | 77.8% | — |

## Writing & Preference

- Gemini 2.5 Flash: 53.8 (#157)
- Phi 3 Mini 4k Instruct: 27.6 (#300)

| Benchmark | Gemini 2.5 Flash | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Text | 1417 | 1073 |
| LMArena Creative Writing | 1400 | 1037 |
| LMArena Multi-Turn | 1408 | 1018 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
| LiveBench Language | — | 9.2% |

## FAQ

### Is Gemini 2.5 Flash better than Phi 3 Mini 4k Instruct?

Gemini 2.5 Flash is the stronger model overall, scoring 39.3 to 27.9 on the Noometry Index.

### Is Gemini 2.5 Flash or Phi 3 Mini 4k Instruct better for coding?

Gemini 2.5 Flash scores higher on coding benchmarks: 35.8 versus 26.6 in the Noometry coding category.

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

17 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Phi 3 Mini 4k Instruct has 35.