DeepSeek
Open-source LLM optimized for advanced reasoning and code
GPT-5
OpenAI’s most advanced model
Updated February 2026
| DeepSeek | GPT-5 | |
|---|---|---|
| Rating | 4.9★ | 5.0★ |
| Reviews | 41 | 19 |
| Pros | 17 | 9 |
| FactScore™ | 78.7 | 65.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in DeepSeek — Pros
Deep thinking ability Supports coding tasks Handles complex tasks Fast performance Open source Free tier Excellent for research Advanced search capabilities Easy to use Excellent for content creation File analysis Low cost API Supports long conversations Web search featureBoth tools — Pros
High-quality output Context aware Time-savingOnly in GPT-5 — Pros
AI assistant AI integration Actionable insights Developer experience Frequent updates High accuracyOnly in DeepSeek — Cons
Not as good as ChatGPT Server busy errors Times out Interaction feels like a tool Lack of image understanding Overly verbose responsesBoth tools — Cons
Slow performanceOnly in GPT-5 — Cons
—Details
| DeepSeek | GPT-5 | |
|---|---|---|
| Categories | LLMs, AI Chatbots, Foundation Models | LLMs, Foundation Models |
| Platforms | Web · iOS | Web |
| Became Popular | December 28, 2024 | August 7, 2025 |
| Website | chat.deepseek.com | openai.com |
Who Should Pick Which?
Choose DeepSeek if...
- Deep thinking ability
- Supports coding tasks
- Handles complex tasks
Choose GPT-5 if...
- AI assistant
- AI integration
- Actionable insights
With a FactScore™ of 78.7 vs 65.1, DeepSeek leads in community reception. DeepSeek uniquely offers Deep thinking ability and Supports coding tasks, while GPT-5 stands out for AI assistant and AI integration.
What Users Say
DeepSeek
DeepSeek’s open-source breakthroughs made a huge difference for us. Thanks to their work, we were able to train Macaron’s RL-powered Deep Memory and code-writing agent at a scale and efficiency tha...
We've adopted it as remio's AI model. Its proficiency in handling complex tasks, from coding to language translation, is truly remarkable. It has significantly boosted our productivity and enhanced...
DeepSeek Chat serves as our reliable foundation for basic content creation tasks. Its efficient performance and consistent output quality make it perfect for handling straightforward development re...
GPT-5
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...
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...
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.
Related Comparisons
Frequently Asked Questions
Which is better, DeepSeek or GPT-5?
Based on FactScore™, DeepSeek leads with a score of 78.7 vs 65.1. DeepSeek has a higher rating of 4.9★ compared to 5.0★.
What are the pros of DeepSeek compared to GPT-5?
DeepSeek uniquely offers: Deep thinking ability, Supports coding tasks, Handles complex tasks, Fast performance, Open source.
What are the pros of GPT-5 compared to DeepSeek?
GPT-5 uniquely offers: AI assistant, AI integration, Actionable insights, Developer experience, Frequent updates.
Is DeepSeek better rated than GPT-5?
DeepSeek is rated 4.9★ from 41 reviews. GPT-5 is rated 5.0★ from 19 reviews.
What is the FactScore™ of DeepSeek and GPT-5?
FactScore™ weighs rating and review volume together. DeepSeek scores 78.7 and GPT-5 scores 65.1.
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