Side by side
| Feature | ChatGPT | DeepSeek |
|---|---|---|
| What it does | AI assistant for chatting, research, image creation, file analysis, and coding, for individuals and teams. | Chinese AI lab offering open-source large language models (DeepSeek-V4, R1) via a chat app, web interface and developer API. |
| Price from | 34,99 PLN/mo | 0.02 USD |
| Free plan | yes | ? |
| Platforms | web, ios, android, mac, windows | web, ios, android, api |
| API | not stated | yes |
ChatGPT: key features
- Conversational chat with saved history
- Image creation
- File and image uploads
- Web search
- Deep Research for multi-step research
- Voice chats and voice with video
DeepSeek: key features
- Chat app and web chat interface
- Open-source models such as DeepSeek-R1 and DeepSeek-V4
- OpenAI- and Anthropic-compatible API
- JSON output and tool calls
- Thinking (reasoning) mode
- 1M-token context window on the flash model
FAQ
Is ChatGPT or DeepSeek better?
It depends on the job - compare prices, free plans and features in the table above.
Are ChatGPT and DeepSeek free?
ChatGPT: Yes, there is a free plan. Free plan includes unlimited text chats subject to abuse guardrails, with limited messages with uploads, limited image creation, limited voice chats, limited deep research, limited memory and context, limited Codex access, and limited ChatGPT Work access on desktop. DeepSeek: The vendor does not state this clearly on the homepage or pricing page.