Model comparison
GPT-5 Pro vs Phi-4 Mini
GPT-5 Pro is the stronger model overall, scoring 46.4 to 30.9 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.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 25.3.
- 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.
Side by side
| GPT-5 Pro | Phi-4 Mini | |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 46.4 | 30.9 |
| Released | 2025-10-06 | 2024-12-11 |
| Weights | Proprietary | Open |
| Context window | 400K | 128K |
| Max output | 272K | 4K |
| Input $ / M tokens | $15 | $0.075 |
| Output $ / M tokens | $120 | $0.30 |
| Results tracked | 12 | 3 |
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Category by category
Coding GPT-5 Pro leads
GPT-5 Pro: 44.0 (#80), Phi-4 Mini: 28.1 (#317)
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), Phi-4 Mini: 22.4 (#195)
| 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 | 150.28 | — |
Math Not comparable
GPT-5 Pro: 48.5 (#63), 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 leads
GPT-5 Pro: 56.7 (#42), Phi-4 Mini: 25.3 (#262)
| Benchmark | GPT-5 Pro | Phi-4 Mini |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| Vectara Hallucination Rate | — | 23.5% |
Frequently asked questions
Is GPT-5 Pro better than Phi-4 Mini?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 30.9 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: 44.0 versus 28.1 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.