Comparison
ChatGPT vs DeepSeek
ChatGPT: The world's most popular AI chatbot, built by OpenAI. DeepSeek: Free, unlimited AI chatbot with very capable open-weight models.
| ChatGPT | DeepSeek | |
|---|---|---|
| Rating | 4.7 | 4.4 |
| Price | Freemium Plus plan from $20/month. Free plan available. | Free Free, unlimited chat. Pay-as-you-go API from $0.14 per million tokens. |
| Free plan | ||
| API available | ||
| Open source | ||
| In Spanish | ||
| No watermark | — | — |
| Platforms | Web · Windows · Mac · iOS · Android | Web · iOS · Android |
ChatGPT
- The most complete ecosystem: voice, images, file analysis
- Excellent in Spanish
- Apps for every platform
- The free plan has strict usage limits
- It can make up facts (hallucinations)
DeepSeek
- Completely free chat, with no daily limits or paywalled features
- Open-weight models you can run or audit yourself
- Extremely cheap API (~10x less than equivalent competitors)
- 'Server busy' notices at peak times
- Chinese company: its data policy raises concerns in corporate settings