# o1-mini vs Phi 3 Mini 4k Instruct

> o1-mini is the stronger model overall, scoring 33.7 to 27.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/o1-mini-vs-phi-3-mini-4k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. o1-mini scores higher in 7 categories and Phi 3 Mini 4k Instruct in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where o1-mini leads 48.6 to 27.7.
- The biggest single-benchmark swing is LiveBench Math: 62% for o1-mini and 15.7% for Phi 3 Mini 4k Instruct.
- Phi 3 Mini 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 33.7 | 27.4 |
| Rank | 230 | 324 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- o1-mini: 35.1 (#218)
- Phi 3 Mini 4k Instruct: 26.1 (#319)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LiveBench Coding | 48% | 15.5% |
| LMArena Coding | 1362 | 1093 |
| HumanEval+ | 89% | 59.1% |
| MBPP+ | 78.8% | 54.2% |
| Aider Polyglot | 32.9% | — |
| WeirdML | 36.3% | — |

## Agentic & Tool Use

- o1-mini: 24.3 (#112)
- Phi 3 Mini 4k Instruct: —

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| Cybench | 10% | — |

## Reasoning

- o1-mini: 8.9 (#340)
- Phi 3 Mini 4k Instruct: 13.6 (#326)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LiveBench Reasoning | 72.3% | 26.8% |
| LMArena Hard Prompts | 1333 | 1072 |
| LiveBench Data Analysis | 57.9% | 34.7% |
| LiveBench | 57.8% | 22.4% |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 18.1% | — |
| ARC-AGI-1 | 14% | — |
| Chess Puzzles | — | 0% |
| Adversarial NLI | — | 52.8% |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | 135.82 | — |
| HellaSwag | — | 76.7% |
| WinoGrande | — | 70.8% |

## Math

- o1-mini: 33.7 (#168)
- Phi 3 Mini 4k Instruct: 24.5 (#258)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LiveBench Math | 62% | 15.7% |
| LMArena Math | 1358 | 1111 |
| OTIS Mock AIME 2024-2025 | 46.9% | — |
| MATH Level 5 | 89.2% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |

## Knowledge

- o1-mini: 34.8 (#180)
- Phi 3 Mini 4k Instruct: 27.9 (#241)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Expert | 1316 | 1045 |
| GPQA Diamond | 62.4% | — |
| Confabulations | 18.6% | — |
| ARC (AI2) Challenge | — | 84.9% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 64% |

## Multilingual

- o1-mini: 43.8 (#177)
- Phi 3 Mini 4k Instruct: 26.5 (#275)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Non-English | 1289 | 1021 |
| LMArena Chinese | 1314 | 1021 |
| LMArena French | 1292 | 1075 |
| LMArena German | 1278 | 1044 |
| LMArena Japanese | 1245 | 935 |
| LMArena Korean | 1223 | 905 |
| LMArena Russian | 1283 | 1022 |
| LMArena Spanish | 1302 | 1084 |

## Instruction Following

- o1-mini: 67.0 (#200)
- Phi 3 Mini 4k Instruct: 48.0 (#298)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LiveBench Instruction Following | 65.4% | 39.1% |
| LMArena Instruction Following | 1304 | 1053 |

## Long Context

- o1-mini: 40.1 (#156)
- Phi 3 Mini 4k Instruct: 31.7 (#271)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1321 | 1044 |

## Writing & Preference

- o1-mini: 48.6 (#196)
- Phi 3 Mini 4k Instruct: 27.7 (#295)

| Benchmark | o1-mini | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Text | 1317 | 1073 |
| LMArena Creative Writing | 1244 | 1037 |
| LMArena Multi-Turn | 1314 | 1018 |
| LiveBench Language | 40.9% | 9.2% |
| Short-Story Creative Writing | 64.9% | — |

## FAQ

### Is o1-mini better than Phi 3 Mini 4k Instruct?

o1-mini is the stronger model overall, scoring 33.7 to 27.4 on the Noometry Index.

### Is o1-mini or Phi 3 Mini 4k Instruct better for coding?

o1-mini scores higher on coding benchmarks: 35.1 versus 26.1 in the Noometry coding category.

### How many benchmarks do o1-mini and Phi 3 Mini 4k Instruct share?

26 benchmarks have published results for both models. o1-mini has 39 scored results on Noometry and Phi 3 Mini 4k Instruct has 35.