ChatGPT and DeepSeek are the two most popular AIs on the market today. So What’s the difference between ChatGTP and DeepSeek? Should I use ChatGPT or DeepSeek? Let’s find out together!
Compare Deep Seek and ChatGPT
Overview of the differences between DeepSeek and ChatGPT
| Features | DeepSeek | ChatGPT | Which AI is better? |
| Best model | DeepSeek V3.2 and V3.2 Speciale | GPT-5.4 | ChatGPT |
| Reasoning and Math | Strong | Best | ChatGPT |
| Coding | Best for algorithm algorithms and debugging | Wide code “coverage”. | ChatGPT |
| Content creation | More direct and structured | Natural and according to the user’s style | ChatGPT |
| Multimodal | Are not | Have | ChatGPT |
| API fees | $0.28 / $0.42 | $2.50 / $15.00 | DeepSeek |
| Register | Free of charge | Free, paid starting at 8 USD/month | DeepSeek |
| Free version performance | The best reasoning ability in math, programming and science. | Use constrained reasoning models | DeepSeek |
| Open source code | Have | Are not | DeepSeek |
| Private and secure | Server in China, there are privacy concerns | Server in the US, did not choose model training | ChatGPT |
| Ecosystem | Limited integration | Deep integration with third-party apps and tools | ChatGPT |
When to use DeepSeek and ChatGPT?
- Select DeepSeek if you want cost savings, offline functionality and high performance in engineering processes.
- Select ChatGPT if you need a complete, versatile model for creative, educational or multimodal purposes.
Performance of DeepSeek and ChatGPT
Architecture is the foundation of AI, but performance is equally important and affects user choices. Below are the measurement results achieved when using DeepSeek and ChatGPT:
| Mission | DeepSeek R1 | ChatGPT (GPT-4o) |
| Mathematics | 90% accurate | Up to 83 percent accuracy on advanced math questions |
| Programming | 97% success rate in logic tasks | Accurate up to 89% |
| Deduce | Step-by-step explanation based on reinforcement learning (RL) | Excels at multi-step inference |
| Multi-modal input | Text only | Supports importing text and images |
| Content length | 128k tokens | 200k tokens |
| Speed | Fast and light | Moderate level, depending on the task |
Features of DeepSeek and ChatGPT
| Features | DeepSeek | ChatGPT |
| Create text | Excellent | Excellent |
| Multi-modal support | Limit images | Photos, videos, audio files |
| Voice mode | Are not | Advanced audio mode |
| Run the code | Only via API | Sandbox integration |
| Browse the web | Have | Have |
| Upload documents and photos | Have | Have |
| Create photos | Only applies to older Janus Pro | Yes, GPT Image 1.5 |
| Create videos | Are not | Yes, Sora 2 |
| API Access | Yes, OpenAI compatible | Have |
| Open source code | Yes, MIT License | Are not |
| Self-hosting | Full support | Are not |
| Application support | Android and iOS | Android, iOS, Windows, and macOS |
| Customizable instructions | Have | Have |
| Memo feature | Are not | Have |
| Use a computer | Are not | Have |
| Plugins/GPTs | Are not | Have |
DeepSeek and ChatGPT pricing
| Subscription package | DeepSeek | ChatGPT |
| Pay the fee | Completely free | Free, $8 (Go), $20 (Plus), $200 (Pro) |
| Free web access | Have | Have |
| API price (1M tokens) | $0.28 / $0.42 | $2.50 / $15 |
| Self-hosting | Have | Are not |
| In short | Delivers comparable performance to GPT-5 at a much lower cost. | Although the performance is somewhat better, its input/output cost is 9x/35x higher than DeepSeek. |
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