ChatGPT vs DeepSeek
Compare the differences, pricing, share and features of ChatGPT (OpenAI) and DeepSeek (DeepSeek) with data. We explain which one to pick by use case.
A. Bottom line: which should you pick?
For overall popularity and share, ChatGPT is ahead. But the best choice depends on the use case (writing = ChatGPT, search = ChatGPT, coding = ChatGPT).
Feature differences (ChatGPT vs DeepSeek)
| Feature | ChatGPT | DeepSeek |
|---|---|---|
| Japanese support | ○ | ○ |
| Image input | ○ | △ |
| Image generation | ○ | × |
| Voice chat | ○ | × |
| File reading | ○ | ○ |
| Web search | ○ | ○ |
| Code generation | ○ | ○ |
| API | ○ | ○ |
| Mobile app | ○ | ○ |
Pricing differences
Source: Official pricing of each tool (reference values) ／ Captured: 2026-06 ／ Check the official site for the latest
Verdict by purpose: which should you pick?
| Purpose | Recommended |
|---|---|
| Writing | ChatGPT |
| Search & research | ChatGPT |
| Coding | ChatGPT |
| Image generation | ChatGPT |
| Using it for free | Both have a free plan |
Frequently asked questions
ChatGPT vs DeepSeek: which should you pick?
It depends on the use case. ChatGPT is ahead on overall share, but for search ChatGPT wins, and for coding the one with broader feature coverage has the edge. See the by-purpose verdicts below.
What are the pricing differences between ChatGPT and DeepSeek?
ChatGPT has a free plan, and paid plans start at $8/mo. DeepSeek has a free plan, and paid plans start at to be confirmed (reference values).
Which has the higher share, ChatGPT or DeepSeek?
For Jun 2026, worldwide market share is about 77.6% for ChatGPT and about 0.0% for DeepSeek (StatCounter).
Other comparisons
⚠ These rankings are reference values based on public market-share data, web-traffic estimates and editorial research, and do not represent a complete count of every user of each AI tool. Rankings change with the measurement method (web-visit share vs. market share, etc.). Always check each official site for the latest information.