GPT-5

OpenAI’s most advanced model

★★★★★ 5.0/5
FactScore™ 65.1
VS

OpenAI o1

AI that can do general-purpose complex reasoning

★★★★★ 5.0/5
FactScore™ 54

Updated February 2026

GPT-5 OpenAI o1
Rating 5.0★ 5.0★
Reviews 19 11
Pros 9 1
FactScore™ 65.1 54

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
65.1
GPT-5 FactScore™
★ GPT-5 wins on FactScore™
54
OpenAI o1 FactScore™

Pros & Cons

Only in GPT-5 — Pros

AI assistant AI integration Actionable insights High-quality output Developer experience Time-saving Context aware Frequent updates High accuracy

Both tools — Pros

Only in OpenAI o1 — Pros

Ai features

Only in GPT-5 — Cons

Slow performance

Both tools — Cons

Only in OpenAI o1 — Cons

Difficulty canceling subscription Limited conditional logic complexity

Details

GPT-5 OpenAI o1
Categories LLMs, Foundation Models LLMs
Platforms Web Web
Became Popular August 7, 2025 September 13, 2024
Website openai.com openai.com

Who Should Pick Which?

Choose GPT-5 if...

  • AI assistant
  • AI integration
  • Actionable insights

Choose OpenAI o1 if...

  • Ai features

With a FactScore™ of 65.1 vs 54, GPT-5 leads in community reception. GPT-5 uniquely offers AI assistant and AI integration, while OpenAI o1 stands out for Ai features.

3

What Users Say

GPT-5

R
Robin Sep 8, 2025
★★★★★

We spent months developing the new version of Tellers.AI, betting that foundation models would excel at long-form, structured outputs with native tool use. GPT-5 did not disappoint; it proved to be...

E
Elina Sep 20, 2025
★★★★★

As user study, pray, and achieve milestones, GPT-5 helps the pet reflect that progress through both words and actions, making the experience more meaningful. We also use GPT-5 to offer context-rich...

M
Max Sep 17, 2025
★★★★★

The Basedash data agent is powered by GPT-5. It allows us to ask incredibly complex questions and get genuine insights out of any data.

OpenAI o1

M
Max Jan 24, 2025
★★★★★

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.

C
Chris Dec 6, 2024
★★★★★

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.

R
Richard Oct 25, 2024
★★★★★

OpenAI's o1 model, with its advanced reasoning and planning capabilities, significantly enhances our decision-making process.

Frequently Asked Questions

Which is better, GPT-5 or OpenAI o1?

Based on FactScore™, GPT-5 leads with a score of 65.1 vs 54. GPT-5 has a higher rating of 5.0★ compared to 5.0★.

What are the pros of GPT-5 compared to OpenAI o1?

GPT-5 uniquely offers: AI assistant, AI integration, Actionable insights, High-quality output, Developer experience.

What are the pros of OpenAI o1 compared to GPT-5?

OpenAI o1 uniquely offers: Ai features.

Is GPT-5 better rated than OpenAI o1?

GPT-5 is rated 5.0★ from 19 reviews. OpenAI o1 is rated 5.0★ from 11 reviews.

What is the FactScore™ of GPT-5 and OpenAI o1?

FactScore™ weighs rating and review volume together. GPT-5 scores 65.1 and OpenAI o1 scores 54.

Don't Get Fooled by Fake Social Media Videos

The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.

Try FactCheckTool Free