Jan
On-device ChatGPT alternative that runs 100% offline
OpenAI o1
AI that can do general-purpose complex reasoning
Updated February 2026
| Jan | OpenAI o1 | |
|---|---|---|
| Rating | 4.0★ | 5.0★ |
| Reviews | 1 | 11 |
| Pros | 0 | 1 |
| FactScore™ | 12 | 54 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Jan — Pros
No unique pros listedBoth tools — Pros
—Only in OpenAI o1 — Pros
Ai featuresOnly in Jan — Cons
—Both tools — Cons
—Only in OpenAI o1 — Cons
Difficulty canceling subscription Limited conditional logic complexityDetails
| Jan | OpenAI o1 | |
|---|---|---|
| Categories | LLMs, Compliance software, AI Infrastructure Tools | LLMs |
| Platforms | Web | Web |
| Became Popular | February 10, 2024 | September 13, 2024 |
| Website | jan.ai | openai.com |
Who Should Pick Which?
Choose Jan if...
- No unique pros listed
Choose OpenAI o1 if...
- Ai features
With a FactScore™ of 12 vs 54, OpenAI o1 leads in community reception. Jan uniquely offers No unique pros listed, while OpenAI o1 stands out for Ai features.
What Users Say
Jan
Great desktop app which provides neat interface to work with LLMs in any way. For now lacks support of TTS which is certainly a convenient thing for the LLM. One handsome devil have provided rough ...
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.
Related Comparisons
Frequently Asked Questions
Which is better, Jan or OpenAI o1?
Based on FactScore™, OpenAI o1 leads with a score of 54 vs 12. OpenAI o1 has a higher rating of 5.0★ compared to 4.0★.
What are the pros of Jan compared to OpenAI o1?
Jan uniquely offers: No unique pros listed.
What are the pros of OpenAI o1 compared to Jan?
OpenAI o1 uniquely offers: Ai features.
Is Jan better rated than OpenAI o1?
Jan is rated 4.0★ from 1 reviews. OpenAI o1 is rated 5.0★ from 11 reviews.
What is the FactScore™ of Jan and OpenAI o1?
FactScore™ weighs rating and review volume together. Jan scores 12 and OpenAI o1 scores 54.
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