# GPT-5 Pro vs Phi 3 Mini 4k Instruct

> GPT-5 Pro is the stronger model overall, scoring 46.2 to 27.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-pro-vs-phi-3-mini-4k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where GPT-5 Pro leads 56.2 to 27.9.
- Phi 3 Mini 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 46.2 | 27.4 |
| Rank | 58 | 324 |
| Context | 400K | — |
| Input $/M | $15 | — |
| Output $/M | $120 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5 Pro: 43.4 (#77)
- Phi 3 Mini 4k Instruct: 26.1 (#319)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| WeirdML | 60.4% | — |
| LiveBench Coding | — | 15.5% |
| LMArena Coding | — | 1093 |
| AlgoTune | 1.31 | — |
| HumanEval+ | — | 59.1% |
| MBPP+ | — | 54.2% |

## Reasoning

- GPT-5 Pro: 39.2 (#52)
- Phi 3 Mini 4k Instruct: 13.6 (#326)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| Chess Puzzles | — | 0% |
| EnigmaEval | 18.8% | — |
| LiveBench Reasoning | — | 26.8% |
| LMArena Hard Prompts | — | 1072 |
| LiveBench Data Analysis | — | 34.7% |
| Adversarial NLI | — | 52.8% |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | 150.26 | — |
| HellaSwag | — | 76.7% |
| LiveBench | — | 22.4% |
| WinoGrande | — | 70.8% |

## Math

- GPT-5 Pro: 48.0 (#53)
- Phi 3 Mini 4k Instruct: 24.5 (#258)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| LiveBench Math | — | 15.7% |
| LMArena Math | — | 1111 |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- GPT-5 Pro: 56.2 (#39)
- Phi 3 Mini 4k Instruct: 27.9 (#241)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1045 |
| ARC (AI2) Challenge | — | 84.9% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 64% |

## Multilingual

- GPT-5 Pro: —
- Phi 3 Mini 4k Instruct: 26.5 (#275)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Non-English | — | 1021 |
| LMArena Chinese | — | 1021 |
| LMArena French | — | 1075 |
| LMArena German | — | 1044 |
| LMArena Japanese | — | 935 |
| LMArena Korean | — | 905 |
| LMArena Russian | — | 1022 |
| LMArena Spanish | — | 1084 |

## Instruction Following

- GPT-5 Pro: —
- Phi 3 Mini 4k Instruct: 48.0 (#298)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| LiveBench Instruction Following | — | 39.1% |
| LMArena Instruction Following | — | 1053 |

## Long Context

- GPT-5 Pro: —
- Phi 3 Mini 4k Instruct: 31.7 (#271)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1044 |

## Writing & Preference

- GPT-5 Pro: —
- Phi 3 Mini 4k Instruct: 27.7 (#295)

| Benchmark | GPT-5 Pro | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Text | — | 1073 |
| LMArena Creative Writing | — | 1037 |
| LMArena Multi-Turn | — | 1018 |
| LiveBench Language | — | 9.2% |

## FAQ

### Is GPT-5 Pro better than Phi 3 Mini 4k Instruct?

GPT-5 Pro is the stronger model overall, scoring 46.2 to 27.4 on the Noometry Index.

### Is GPT-5 Pro or Phi 3 Mini 4k Instruct better for coding?

GPT-5 Pro scores higher on coding benchmarks: 43.4 versus 26.1 in the Noometry coding category.

### How many benchmarks do GPT-5 Pro and Phi 3 Mini 4k Instruct share?

0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and Phi 3 Mini 4k Instruct has 35.