# GPT-5.4 Pro vs Phi 3 Small 8k Instruct

> GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gpt-5-4-pro-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where GPT-5.4 Pro leads 71.0 to 14.2.
- Phi 3 Small 8k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 58.8 | 28.8 |
| Rank | 16 | 310 |
| Context | 1.05M | — |
| Input $/M | $30 | — |
| Output $/M | $180 | — |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 Pro: 42.6 (#89)
- Phi 3 Small 8k Instruct: 27.4 (#313)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| WeirdML | 57.4% | — |
| LiveBench Coding | — | 20.3% |
| LMArena Coding | — | 1102 |

## Reasoning

- GPT-5.4 Pro: 71.0 (#10)
- Phi 3 Small 8k Instruct: 14.2 (#319)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 30% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| LiveBench Reasoning | — | 15.9% |
| LMArena Hard Prompts | — | 1100 |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 159.12 | — |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- GPT-5.4 Pro: 72.0 (#17)
- Phi 3 Small 8k Instruct: 25.4 (#247)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| FrontierMath (Tiers 1-3) | 82.5% | — |
| FrontierMath Tier 4 | 58.5% | — |
| LiveBench Math | — | 17.6% |
| LMArena Math | — | 1151 |
| FrontierMath (Feb 2025 set) | 50% | — |
| FrontierMath Tier 4 (v1) | 37.5% | — |

## Knowledge

- GPT-5.4 Pro: 68.3 (#6)
- Phi 3 Small 8k Instruct: 28.5 (#237)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| GPQA Diamond | 94.6% | — |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |
| Vectara Hallucination Rate | 8.3% | — |
| LMArena Expert | — | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multilingual

- GPT-5.4 Pro: —
- Phi 3 Small 8k Instruct: 28.6 (#267)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | — | 1058 |
| LMArena Chinese | — | 1061 |
| LMArena French | — | 1134 |
| LMArena German | — | 1080 |
| LMArena Japanese | — | 966 |
| LMArena Korean | — | 894 |
| LMArena Russian | — | 1111 |
| LMArena Spanish | — | 1111 |

## Instruction Following

- GPT-5.4 Pro: —
- Phi 3 Small 8k Instruct: 52.2 (#287)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Instruction Following | — | 47.2% |
| LMArena Instruction Following | — | 1087 |

## Long Context

- GPT-5.4 Pro: —
- Phi 3 Small 8k Instruct: 33.0 (#262)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1088 |

## Writing & Preference

- GPT-5.4 Pro: —
- Phi 3 Small 8k Instruct: 31.3 (#279)

| Benchmark | GPT-5.4 Pro | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | — | 1110 |
| LMArena Creative Writing | — | 1083 |
| LMArena Multi-Turn | — | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is GPT-5.4 Pro better than Phi 3 Small 8k Instruct?

GPT-5.4 Pro is the stronger model overall, scoring 58.8 to 28.8 on the Noometry Index.

### Is GPT-5.4 Pro or Phi 3 Small 8k Instruct better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 42.6 versus 27.4 in the Noometry coding category.

### How many benchmarks do GPT-5.4 Pro and Phi 3 Small 8k Instruct share?

0 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Phi 3 Small 8k Instruct has 32.