OpenAI o1
AI that can do general-purpose complex reasoning
Private LLM
A private, on-device AI Chatbot for iOS and macOS
Updated February 2026
| OpenAI o1 | Private LLM | |
|---|---|---|
| Rating | 5.0★ | 4.7★ |
| Reviews | 11 | 3 |
| Pros | 1 | 2 |
| FactScore™ | 54 | 28.1 |
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 Private LLM — Pros
Cross-device compatibility Offline functionalityOnly in OpenAI o1 — Cons
Difficulty canceling subscription Limited conditional logic complexityBoth tools — Cons
—Only in Private LLM — Cons
App stability issues Context sensitivity Slow performance on iPhoneDetails
| OpenAI o1 | Private LLM | |
|---|---|---|
| Categories | LLMs | LLMs, AI Chatbots |
| Platforms | Web | Web · iOS |
| Became Popular | September 13, 2024 | June 6, 2023 |
| Website | openai.com | privatellm.app |
Who Should Pick Which?
Choose OpenAI o1 if...
- Ai features
Choose Private LLM if...
- Cross-device compatibility
- Offline functionality
With a FactScore™ of 54 vs 28.1, OpenAI o1 leads in community reception. OpenAI o1 uniquely offers Ai features, while Private LLM stands out for Cross-device compatibility and Offline functionality.
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.
Private LLM
On MacOS, it seems not to recognize questions with typos; a single typo in a question will stray away from the context. Answers I get are okay for quick info, but never given specifics. iOS app is ...
Tested it out on my MacBook Pro M1 Max 32GB and iPhone 12. It is working incredibly well on both. A bit slower on my iPhone, but very usable. I plan to cancel my ChatGPT Plus subscription.
Related Comparisons
Frequently Asked Questions
Which is better, OpenAI o1 or Private LLM?
Based on FactScore™, OpenAI o1 leads with a score of 54 vs 28.1. OpenAI o1 has a higher rating of 5.0★ compared to 4.7★.
What are the pros of OpenAI o1 compared to Private LLM?
OpenAI o1 uniquely offers: Ai features.
What are the pros of Private LLM compared to OpenAI o1?
Private LLM uniquely offers: Cross-device compatibility, Offline functionality.
Is OpenAI o1 better rated than Private LLM?
OpenAI o1 is rated 5.0★ from 11 reviews. Private LLM is rated 4.7★ from 3 reviews.
What is the FactScore™ of OpenAI o1 and Private LLM?
FactScore™ weighs rating and review volume together. OpenAI o1 scores 54 and Private LLM scores 28.1.
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