# GPT-5 Pro vs Phi-4 Mini

> GPT-5 Pro is the stronger model overall, scoring 46.2 to 30.4 on the Noometry Index. Phi-4 Mini costs 314× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

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

## Summary

- The widest gap is in knowledge, where GPT-5 Pro leads 56.2 to 24.8.
- Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
- GPT-5 Pro accepts more context: 400K tokens versus 128K.
- Phi-4 Mini has downloadable open weights; the other is API-only.

## Snapshot

| | GPT-5 Pro | Phi-4 Mini |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 46.2 | 30.4 |
| Rank | 58 | 280 |
| Context | 400K | 128K |
| Input $/M | $15 | $0.075 |
| Output $/M | $120 | $0.30 |
| Weights | Proprietary | Open |

## Coding

- GPT-5 Pro: 43.4 (#77)
- Phi-4 Mini: 27.6 (#312)

| Benchmark | GPT-5 Pro | Phi-4 Mini |
|---|---|---|
| SciCode | — | 10.8% |
| WeirdML | 60.4% | — |
| AlgoTune | 1.31 | — |

## Reasoning

- GPT-5 Pro: 39.2 (#52)
- Phi-4 Mini: 21.7 (#190)

| Benchmark | GPT-5 Pro | Phi-4 Mini |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| CritPt | — | 0% |
| EnigmaEval | 18.8% | — |
| Epoch Capabilities Index | 150.26 | — |

## Math

- GPT-5 Pro: 48.0 (#53)
- Phi-4 Mini: —

| Benchmark | GPT-5 Pro | Phi-4 Mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- GPT-5 Pro: 56.2 (#39)
- Phi-4 Mini: 24.8 (#261)

| Benchmark | GPT-5 Pro | Phi-4 Mini |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| Vectara Hallucination Rate | — | 23.5% |

## FAQ

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

GPT-5 Pro is the stronger model overall, scoring 46.2 to 30.4 on the Noometry Index. Phi-4 Mini costs 314× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.

### Which is cheaper, GPT-5 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 Pro lists at $15 and $120.

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

GPT-5 Pro scores higher on coding benchmarks: 43.4 versus 27.6 in the Noometry coding category.

### Which has the bigger context window?

GPT-5 Pro does, with 400K tokens against 128K.

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

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