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GPT-5

OpenAI’s most advanced model

★★★★★ 5.0/5
FactScore™ 65.1
VS

Private LLM

A private, on-device AI Chatbot for iOS and macOS

★★★★★ 4.7/5
FactScore™ 28.1

Updated February 2026

GPT-5 Private LLM
Rating 5.0★ 4.7★
Reviews 19 3
Pros 9 2
FactScore™ 65.1 28.1

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™
28.1
Private LLM 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 Private LLM — Pros

Cross-device compatibility Offline functionality

Only in GPT-5 — Cons

Slow performance

Both tools — Cons

—

Only in Private LLM — Cons

App stability issues Context sensitivity Slow performance on iPhone

Details

GPT-5 Private LLM
Categories LLMs, Foundation Models LLMs, AI Chatbots
Platforms Web Web · iOS
Became Popular August 7, 2025 June 6, 2023
Website openai.com privatellm.app

Who Should Pick Which?

Choose GPT-5 if...

  • AI assistant
  • AI integration
  • Actionable insights

Choose Private LLM if...

  • Cross-device compatibility
  • Offline functionality

With a FactScore™ of 65.1 vs 28.1, GPT-5 leads in community reception. GPT-5 uniquely offers AI assistant and AI integration, while Private LLM stands out for Cross-device compatibility and Offline functionality.

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.

Private LLM

F
F Jun 7, 2023
★★★★☆

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 ...

J
Jonathan Oct 9, 2023
★★★★★

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.

Frequently Asked Questions

Which is better, GPT-5 or Private LLM?

Based on FactScore™, GPT-5 leads with a score of 65.1 vs 28.1. GPT-5 has a higher rating of 5.0★ compared to 4.7★.

What are the pros of GPT-5 compared to Private LLM?

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

What are the pros of Private LLM compared to GPT-5?

Private LLM uniquely offers: Cross-device compatibility, Offline functionality.

Is GPT-5 better rated than Private LLM?

GPT-5 is rated 5.0★ from 19 reviews. Private LLM is rated 4.7★ from 3 reviews.

What is the FactScore™ of GPT-5 and Private LLM?

FactScore™ weighs rating and review volume together. GPT-5 scores 65.1 and Private LLM scores 28.1.

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