Direct answer
What is DeepSeek?
DeepSeek offers strong open-weight chat and reasoning models through a free assistant and an inexpensive API, making frontier-class capability accessible for self-hosting.
DeepSeek's models drew attention for competitive reasoning and coding performance at a fraction of typical training and inference cost, with weights released for download. The app provides chat with a visible reasoning mode and web search; the API serves developers who want low prices. Data handling and jurisdiction should be evaluated for sensitive use.
Frontier-class open weights and very low API pricing, with the ability to run models on your own infrastructure.
Product capabilities
Key features
Reasoning mode
Step-by-step reasoning for harder problems.
Open weights
Download and run models on your own hardware.
Low-cost API
Per-token pricing far below most rivals.
Web search
Current information in the app.
Practical fit
Who should use DeepSeek?
Self-hosted assistant
Run a capable model inside your own network.
Cheap inference at scale
Power products where token cost dominates.
Research
Study and fine-tune open models.
Editorial assessment
Pros and limitations
Where it is strong
- Open weights
- Very low API prices
- Strong coding and reasoning
- Free app
Where to be careful
- Hosted-service data handling needs review
- Availability and rate limits fluctuate
- Fewer product features than mainstream assistants
Commercial context
DeepSeek pricing
The DeepSeek chat app is free at the review date and the API is priced per token at rates well below most frontier providers; open weights can also be self-hosted. Confirm current API prices on the official platform page.
Pricing, limits, taxes, model access, and regional availability can change. Verify the purchase-critical details on the official pricing page linked under Sources.
Transparent ranking
Why DeepSeek scores 73.4
Each factor is scored on a 100-point scale, then combined using the public ToolsRank weights. Engagement and momentum stay at a neutral baseline until measured signals exist, so no tool can gain or lose position from numbers nobody recorded.
Compatibility
Languages, platforms, and integrations
Languages
- Strong in English and Chinese; multilingual
Platforms
- Web
- iOS
- Android
- API
Integrations & surfaces
- API
- Open-weight downloads
- Third-party clients
Community
Reviews and questions
No approved member reviews yet. Editorial factors above are the only rating on this page.
Reviews and questions come from Google-signed members and are checked by an editor before they appear.
Frequently asked
DeepSeek FAQ
What is DeepSeek best for?+
DeepSeek is best for developers and researchers who want strong open-weight models at very low cost, including the option to self-host.
Is DeepSeek free?+
The chat app is free and the API is priced per token at the review date; weights are downloadable. Check the official platform page for current prices.
How does ToolsRank score DeepSeek?+
ToolsRank combines editorial quality, practical utility, trust and transparency, freshness, engagement quality, and momentum. Paid placement never changes the organic score.

