# GPT-5.4 Pro vs Phi-4 Mini

> GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 30.9 on the Noometry Index. Phi-4 Mini costs 514× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gpt-5-4-pro-vs-phi-4-mini
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. GPT-5.4 Pro scores higher in 3 categories and Phi-4 Mini in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 22.4.
- The biggest single-benchmark swing is CritPt: 30% for GPT-5.4 Pro and 0% for Phi-4 Mini.
- Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 128K.
- Phi-4 Mini has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5.4 Pro | Phi-4 Mini |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 58.9 | 30.9 |
| Rank | 18 | 283 |
| Context | 1.05M | 128K |
| Input $/M | $30 | $0.075 |
| Output $/M | $180 | $0.30 |
| Weights | Proprietary | Open |

## Coding

- GPT-5.4 Pro: 43.2 (#90)
- Phi-4 Mini: 28.1 (#317)

| Benchmark | GPT-5.4 Pro | Phi-4 Mini |
|---|---|---|
| SciCode | — | 10.8% |
| WeirdML | 57.4% | — |

## Reasoning

- GPT-5.4 Pro: 70.7 (#13)
- Phi-4 Mini: 22.4 (#195)

| Benchmark | GPT-5.4 Pro | Phi-4 Mini |
|---|---|---|
| CritPt | 30% | 0% |
| ARC-AGI-2 | 83.3% | — |
| SimpleBench | 74.1% | — |
| ARC-AGI-1 | 94.5% | — |
| Chess Puzzles | 58.6% | — |
| EnigmaEval | 23.8% | — |
| Epoch Capabilities Index | 158.93 | — |

## Math

- GPT-5.4 Pro: 72.4 (#22)
- Phi-4 Mini: —

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

## Knowledge

- GPT-5.4 Pro: 68.3 (#7)
- Phi-4 Mini: 25.3 (#262)

| Benchmark | GPT-5.4 Pro | Phi-4 Mini |
|---|---|---|
| Vectara Hallucination Rate | 8.3% | 23.5% |
| GPQA Diamond | 94.6% | — |
| Humanity's Last Exam | 44.3% | — |
| SimpleQA Verified | 46.3% | — |

## FAQ

### Is GPT-5.4 Pro better than Phi-4 Mini?

GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 30.9 on the Noometry Index. Phi-4 Mini costs 514× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5.4 Pro or Phi-4 Mini?

Phi-4 Mini is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; GPT-5.4 Pro lists at $30 and $180.

### Is GPT-5.4 Pro or Phi-4 Mini better for coding?

GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 28.1 in the Noometry coding category.

### Which has the bigger context window?

GPT-5.4 Pro does, with 1.05M tokens against 128K.

### How many benchmarks do GPT-5.4 Pro and Phi-4 Mini share?

2 benchmarks have published results for both models. GPT-5.4 Pro has 16 scored results on Noometry and Phi-4 Mini has 3.