OpenAI o1
AI that can do general-purpose complex reasoning
Phi-4 Reasoning
Big Reasoning Power, Small Models
FactScore™ 0Updated February 2026
| OpenAI o1 | Phi-4 Reasoning | |
|---|---|---|
| Rating | 5.0★ | N/A |
| Reviews | 11 | 0 |
| Pros | 1 | 0 |
| FactScore™ | 54 | 0 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in OpenAI o1 — Pros
Ai featuresBoth tools — Pros
—Only in Phi-4 Reasoning — Pros
No unique pros listedOnly in OpenAI o1 — Cons
Difficulty canceling subscription Limited conditional logic complexityBoth tools — Cons
—Only in Phi-4 Reasoning — Cons
—Details
| OpenAI o1 | Phi-4 Reasoning | |
|---|---|---|
| Categories | LLMs | LLMs |
| Platforms | Web | Web |
| Became Popular | September 13, 2024 | May 3, 2025 |
| Website | openai.com | azure.microsoft.com |
Who Should Pick Which?
Choose OpenAI o1 if...
- Ai features
Choose Phi-4 Reasoning if...
- No unique pros listed
With a FactScore™ of 54 vs 0, OpenAI o1 leads in community reception. OpenAI o1 uniquely offers Ai features, while Phi-4 Reasoning stands out for No unique pros listed.
What Users Say
OpenAI o1
We power our AI chart generation through o1 to get high quality visualizations for any data question. o1 is able to deeply understand any data source, including complex custom databases.
ChatGPT Pro includes o1 pro mode, a version of o1 that uses more compute to think harder and provide even better answers to the hardest problems.
OpenAI's o1 model, with its advanced reasoning and planning capabilities, significantly enhances our decision-making process.
Phi-4 Reasoning
No reviews yet
Related Comparisons
Frequently Asked Questions
Which is better, OpenAI o1 or Phi-4 Reasoning?
Based on FactScore™, OpenAI o1 leads with a score of 54 vs 0. OpenAI o1 has a higher rating of 5.0★ compared to N/A★.
What are the pros of OpenAI o1 compared to Phi-4 Reasoning?
OpenAI o1 uniquely offers: Ai features.
What are the pros of Phi-4 Reasoning compared to OpenAI o1?
Phi-4 Reasoning uniquely offers: No unique pros listed.
Is OpenAI o1 better rated than Phi-4 Reasoning?
OpenAI o1 is rated 5.0★ from 11 reviews. Phi-4 Reasoning is rated N/A★ from 0 reviews.
What is the FactScore™ of OpenAI o1 and Phi-4 Reasoning?
FactScore™ weighs rating and review volume together. OpenAI o1 scores 54 and Phi-4 Reasoning scores 0.
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