Microsoft Phi-4 and OpenAI o1 are closely matched ai language models devices with nearly identical overall scores (6.0 vs 5.8). The best choice depends on which specific features matter most to you.
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 | Microsoft Phi-4 | OpenAI o1 |
|---|---|---|
| Input (Prompt) | ✓$0.07/1M | $15.00/1M |
| Output (Completion) | ✓$0.26/1M | $60.00/1M |
| Open Source | ✓ Free | Proprietary |
Context Window (tokens)
| Metric | Microsoft Phi-4 | OpenAI o1 |
|---|---|---|
| Max Output | 4,096 tok | ✓100,000 tok |
| Speed | ✓250 tok/s | 40 tok/s |
| Time to First Token | ✓150ms | 5.0s |
| Languages | 15+ | ✓50+ |
Higher is better. Industry-standard AI evaluation benchmarks.
Microsoft Phi-4
OpenAI o1
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OpenAI o1
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Microsoft Phi-4
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Microsoft Phi-4
OpenAI o1
| Feature | Microsoft Phi-4 | OpenAI o1 |
|---|---|---|
| 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 | Microsoft Phi-4 | OpenAI o1 |
|---|---|---|
| Provider | Microsoft | OpenAI |
| Parameters | 14B | — |
| Knowledge Cutoff | 2024-06 | 2023-10 |
| License | MIT | Commercial |
| Best For | edge deploymentSTEMcost efficiencymathsmall footprint | reasoningmathsciencecomplex coding |
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.
Buy OpenAI o1 if…
The OpenAI o1 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Microsoft Phi-4 and OpenAI o1 are closely matched ai language models devices with nearly identical overall scores (6.0 vs 5.8). The best choice depends on which specific features matter most to you.
Both products score similarly — it depends on your priorities.
Check the latest prices using the buy links above.
Choose the Microsoft Phi-4 if budget is your top priority — it offers competitive specs at a lower price point.
The OpenAI o1 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.