# GPT-5.2 Pro vs Phi 3 Mini 128k Instruct

> GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-2-pro-vs-phi-3-mini-128k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where GPT-5.2 Pro leads 65.3 to 31.6.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 52.3 | 29.7 |
| Rank | 39 | 305 |
| Context | 400K | — |
| Input $/M | $21 | — |
| Output $/M | $168 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.2 Pro: —
- Phi 3 Mini 128k Instruct: 28.8 (#312)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| BigCodeBench Instruct | — | 29.6% |
| LMArena Coding | — | 1039 |
| BigCodeBench Complete | — | 40.6% |

## Reasoning

- GPT-5.2 Pro: 51.5 (#33)
- Phi 3 Mini 128k Instruct: 19.6 (#256)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| ARC-AGI-2 | 54.2% | — |
| SimpleBench | 57.4% | — |
| NYT Connections (extended) | 79.3% | — |
| ARC-AGI-1 | 90.5% | — |
| LMArena Hard Prompts | — | 1028 |
| Epoch Capabilities Index | 155.4 | — |

## Math

- GPT-5.2 Pro: 65.3 (#29)
- Phi 3 Mini 128k Instruct: 31.6 (#222)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 74% | — |
| FrontierMath Tier 4 | 46% | — |
| LMArena Math | — | 1089 |
| FrontierMath Tier 4 (v1) | 31.3% | — |

## Knowledge

- GPT-5.2 Pro: —
- Phi 3 Mini 128k Instruct: 26.8 (#254)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | — | 984 |

## Multilingual

- GPT-5.2 Pro: —
- Phi 3 Mini 128k Instruct: 25.2 (#285)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | — | 1000 |
| LMArena Chinese | — | 1016 |
| LMArena French | — | 1039 |
| LMArena German | — | 1006 |
| LMArena Japanese | — | 899 |
| LMArena Korean | — | 856 |
| LMArena Russian | — | 1004 |
| LMArena Spanish | — | 1059 |

## Instruction Following

- GPT-5.2 Pro: —
- Phi 3 Mini 128k Instruct: 51.8 (#294)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1023 |

## Long Context

- GPT-5.2 Pro: —
- Phi 3 Mini 128k Instruct: 30.4 (#289)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | — | 996 |

## Writing & Preference

- GPT-5.2 Pro: —
- Phi 3 Mini 128k Instruct: 27.1 (#301)

| Benchmark | GPT-5.2 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | — | 1050 |
| LMArena Creative Writing | — | 1024 |
| LMArena Multi-Turn | — | 989 |

## FAQ

### Is GPT-5.2 Pro better than Phi 3 Mini 128k Instruct?

GPT-5.2 Pro is the stronger model overall, scoring 52.3 to 29.7 on the Noometry Index.

### How many benchmarks do GPT-5.2 Pro and Phi 3 Mini 128k Instruct share?

0 benchmarks have published results for both models. GPT-5.2 Pro has 8 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.