FlexGPT
ChatGPT for pros. Internet access. Memory. No subscriptions.
OpenAI o1
AI that can do general-purpose complex reasoning
Updated February 2026
| FlexGPT | OpenAI o1 | |
|---|---|---|
| Rating | 3.8★ | 5.0★ |
| Reviews | 8 | 11 |
| Pros | 10 | 1 |
| FactScore™ | 35.8 | 54 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in FlexGPT — Pros
Memory feature No subscriptions Sophisticated AI Web browsing capabilities Credit system Document upload Easy to use interface Internet access Pay as you go Unlimited rate limitBoth tools — Pros
—Only in OpenAI o1 — Pros
Ai featuresOnly in FlexGPT — Cons
Unfinished UI Cannot edit past messages Crashes frequently Manual send button Page reloads Poor build quality Web browsing capabilitiesBoth tools — Cons
—Only in OpenAI o1 — Cons
Difficulty canceling subscription Limited conditional logic complexityDetails
| FlexGPT | OpenAI o1 | |
|---|---|---|
| Categories | LLMs | LLMs |
| Platforms | Web | Web |
| Became Popular | April 30, 2023 | September 13, 2024 |
| Website | flexgpt.io | openai.com |
Who Should Pick Which?
Choose FlexGPT if...
- Memory feature
- No subscriptions
- Sophisticated AI
Choose OpenAI o1 if...
- Ai features
With a FactScore™ of 35.8 vs 54, OpenAI o1 leads in community reception. FlexGPT uniquely offers Memory feature and No subscriptions, while OpenAI o1 stands out for Ai features.
What Users Say
FlexGPT
Seems good one
not very good. great concept and I hope it improves but as of now it barely works. 90% of the time I enter a prompt the page just reloads and nothing happens. Also I have to physically click the se...
really cool and works great . the memory feature is really solid . already I have become a paid costumer . my suggestion is add ability to see the elements in the memory by clicking on them so we c...
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, FlexGPT or OpenAI o1?
Based on FactScore™, OpenAI o1 leads with a score of 54 vs 35.8. OpenAI o1 has a higher rating of 5.0★ compared to 3.8★.
What are the pros of FlexGPT compared to OpenAI o1?
FlexGPT uniquely offers: Memory feature, No subscriptions, Sophisticated AI, Web browsing capabilities, Credit system.
What are the pros of OpenAI o1 compared to FlexGPT?
OpenAI o1 uniquely offers: Ai features.
Is FlexGPT better rated than OpenAI o1?
FlexGPT is rated 3.8★ from 8 reviews. OpenAI o1 is rated 5.0★ from 11 reviews.
What is the FactScore™ of FlexGPT and OpenAI o1?
FactScore™ weighs rating and review volume together. FlexGPT scores 35.8 and OpenAI o1 scores 54.
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