# GPT-5.4 Pro vs Phi 3 Mini 128k Instruct

> GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-4-pro-vs-phi-3-mini-128k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 19.6.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 58.9 | 29.7 |
| Rank | 18 | 305 |
| Context | 1.05M | — |
| Input $/M | $30 | — |
| Output $/M | $180 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 Pro: 43.2 (#90)
- Phi 3 Mini 128k Instruct: 28.8 (#312)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| WeirdML | 57.4% | — |
| BigCodeBench Instruct | — | 29.6% |
| LMArena Coding | — | 1039 |
| BigCodeBench Complete | — | 40.6% |

## Reasoning

- GPT-5.4 Pro: 70.7 (#13)
- Phi 3 Mini 128k Instruct: 19.6 (#256)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| LMArena Hard Prompts | — | 1028 |
| Epoch Capabilities Index | 158.93 | — |

## Math

- GPT-5.4 Pro: 72.4 (#22)
- Phi 3 Mini 128k Instruct: 31.6 (#222)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| LMArena Math | — | 1089 |
| FrontierMath (Feb 2025 set) | 50% | — |
| FrontierMath Tier 4 (v1) | 37.5% | — |

## Knowledge

- GPT-5.4 Pro: 68.3 (#7)
- Phi 3 Mini 128k Instruct: 26.8 (#254)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| GPQA Diamond | 94.6% | — |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| Vectara Hallucination Rate | 8.3% | — |
| LMArena Expert | — | 984 |

## Multilingual

- GPT-5.4 Pro: —
- Phi 3 Mini 128k Instruct: 25.2 (#285)

| Benchmark | GPT-5.4 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-5.4 Pro: —
- Phi 3 Mini 128k Instruct: 51.8 (#294)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1023 |

## Long Context

- GPT-5.4 Pro: —
- Phi 3 Mini 128k Instruct: 30.4 (#289)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | — | 996 |

## Writing & Preference

- GPT-5.4 Pro: —
- Phi 3 Mini 128k Instruct: 27.1 (#301)

| Benchmark | GPT-5.4 Pro | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | — | 1050 |
| LMArena Creative Writing | — | 1024 |
| LMArena Multi-Turn | — | 989 |

## FAQ

### Is GPT-5.4 Pro better than Phi 3 Mini 128k Instruct?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 29.7 on the Noometry Index.

### Is GPT-5.4 Pro or Phi 3 Mini 128k Instruct better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 28.8 in the Noometry coding category.

### How many benchmarks do GPT-5.4 Pro and Phi 3 Mini 128k Instruct share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.