ChatGPT by OpenAI
Get answers. Find inspiration. Be more productive.
OpenAI o1
AI that can do general-purpose complex reasoning
Updated February 2026
| ChatGPT by OpenAI | OpenAI o1 | |
|---|---|---|
| Rating | 4.9★ | 5.0★ |
| Reviews | 643 | 11 |
| Pros | 18 | 1 |
| FactScore™ | 136.2 | 54 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in ChatGPT by OpenAI — Pros
Versatile tool Fast performance Context aware Productivity booster Brainstorming support Writing assistance Coding assistance Problem-solving capabilities Creative inspiration Learning tool Free tier Personalization Reliability AI autocomplete Community plugins Fast setup Time-saving Workflow automationBoth tools — Pros
—Only in OpenAI o1 — Pros
Ai featuresOnly in ChatGPT by OpenAI — Cons
Slow performance Inaccurate responses Context aware Free tier Generic responses Price AI autocomplete Community plugins Easy integration Excellent documentation Expensive ReliabilityBoth tools — Cons
—Only in OpenAI o1 — Cons
Difficulty canceling subscription Limited conditional logic complexityDetails
| ChatGPT by OpenAI | OpenAI o1 | |
|---|---|---|
| Categories | LLMs, AI Chatbots | LLMs |
| Platforms | Web · iOS · Android | Web |
| Became Popular | December 2, 2022 | September 13, 2024 |
| Website | openai.com | openai.com |
Who Should Pick Which?
Choose ChatGPT by OpenAI if...
- Versatile tool
- Fast performance
- Context aware
Choose OpenAI o1 if...
- Ai features
With a FactScore™ of 136.2 vs 54, ChatGPT by OpenAI leads in community reception. ChatGPT by OpenAI uniquely offers Versatile tool and Fast performance, while OpenAI o1 stands out for Ai features.
What Users Say
ChatGPT by OpenAI
I’ve been using ChatGPT for months now, and it has become my go-to companion for everything — from writing polished professional emails to brainstorming creative content, from researching obscure h...
We used OpenAI's ChatGPT service before. To be honest, ChatGPT's ability to express AI comic stories, scripts, and storyboards is very outstanding. Its context understanding is very accurate, and e...
We use ChatGPT to generate high-quality, natural-sounding content variants in real time. It outperformed other AI writing tools with its fluency, tone control, and flexibility—critical when you're ...
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, ChatGPT by OpenAI or OpenAI o1?
Based on FactScore™, ChatGPT by OpenAI leads with a score of 136.2 vs 54. ChatGPT by OpenAI has a higher rating of 4.9★ compared to 5.0★.
What are the pros of ChatGPT by OpenAI compared to OpenAI o1?
ChatGPT by OpenAI uniquely offers: Versatile tool, Fast performance, Context aware, Productivity booster, Brainstorming support.
What are the pros of OpenAI o1 compared to ChatGPT by OpenAI?
OpenAI o1 uniquely offers: Ai features.
Is ChatGPT by OpenAI better rated than OpenAI o1?
ChatGPT by OpenAI is rated 4.9★ from 643 reviews. OpenAI o1 is rated 5.0★ from 11 reviews.
What is the FactScore™ of ChatGPT by OpenAI and OpenAI o1?
FactScore™ weighs rating and review volume together. ChatGPT by OpenAI scores 136.2 and OpenAI o1 scores 54.
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