Looking for an honest OpenAI GPT-4o vs Microsoft Phi-4 comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the OpenAI GPT-4o comes out ahead 67/100 to 60/100 — a 7-point gap. The widest gap is in display, where the Microsoft Phi-4 pulls noticeably ahead.
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OpenAI GPT-4o narrowly beats the Microsoft Phi-4 in the ai language models category, especially in design, scoring 67 vs 60. If you want the better overall ai language models, OpenAI GPT-4o is the recommended choice.
Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
✗ Cons
Lower cost = better value. Free = open-source self-hosted.
| Metric | OpenAI GPT-4o | Microsoft Phi-4 |
|---|---|---|
| Input (Prompt) | $2.50/1M | ✓$0.07/1M |
| Output (Completion) | $10.00/1M | ✓$0.26/1M |
| Open Source | Proprietary | ✓ Free |
Context Window (tokens)
| Metric | OpenAI GPT-4o | Microsoft Phi-4 |
|---|---|---|
| Max Output | ✓16,384 tok | 4,096 tok |
| Speed | 120 tok/s | ✓250 tok/s |
| Time to First Token | 500ms | ✓150ms |
| Languages | ✓50+ | 15+ |
Higher is better. Industry-standard AI evaluation benchmarks.
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Microsoft Phi-4
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Microsoft Phi-4
OpenAI GPT-4o
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Microsoft Phi-4
| Feature | OpenAI GPT-4o | Microsoft Phi-4 |
|---|---|---|
| Reasoning / Chain-of-Thought | ✕ | ✕ |
| Vision (Image Input) | ✓ | ✕ |
| Audio Input | ✓ | ✕ |
| Video Input | ✕ | ✕ |
| Image/Audio Output | ✓ | ✕ |
| Function Calling / Tools | ✓ | ✕ |
| JSON Mode | ✓ | ✓ |
| Real-time Web Access | ✕ | ✕ |
| Fine-tuning Support | ✓ | ✓ |
| Batch API | ✓ | ✓ |
| Streaming | ✓ | ✓ |
| Open Source | ✕ | ✓ |
| Field | OpenAI GPT-4o | Microsoft Phi-4 |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Parameters | — | 14B |
| Knowledge Cutoff | 2024-04 | 2024-06 |
| License | Commercial | MIT |
| Best For | generalcodingvisionmultimodal | edge deploymentSTEMcost efficiencymathsmall footprint |
Buy OpenAI GPT-4o if…
Buy the OpenAI GPT-4o if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Buy Microsoft Phi-4 if…
Choose the Microsoft Phi-4 if budget is your top priority — it offers competitive specs at a lower price point.
OpenAI GPT-4o narrowly beats the Microsoft Phi-4 in the ai language models category, especially in design, scoring 67 vs 60. If you want the better overall ai language models, OpenAI GPT-4o is the recommended choice.
Yes, OpenAI GPT-4o scores higher overall (75 vs 75).
Check the latest prices using the buy links above.
Buy the OpenAI GPT-4o if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.
Choose the Microsoft Phi-4 if budget is your top priority — it offers competitive specs at a lower price point.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
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