DeepSeek
A free, capable chatbot with strong reasoning and coding help.
About
DeepSeek is a conversational assistant from the Chinese AI lab DeepSeek, available free on the web and on mobile. It answers questions, drafts and edits text, helps with code, reads uploaded files and searches the web, with a thinking mode for harder problems. Developers can also use its models through a pay-per-token API, and its model weights are openly published for self-hosting.
Key features
- Free web and mobile chat with no paid consumer subscription tier
- Thinking mode that works through harder problems step by step
- Coding help, including explanations, debugging and code generation
- File upload and document reading for summaries and questions
- Web search for current information
- Open model weights for developers who want to self-host
Pricing
Free for consumer chat; developer API billed per token
Consumer chat has no paid tier; API rates vary by model and time of day, so check the official API pricing page before building on it.
Best for
Free, capable everyday chat, coding help and document questions with no subscription.
Limitations to know
AI output can be wrong, so check important facts, figures and code before using them. The free service can also slow down or limit use at busy times, and there is no paid tier to buy your way out of those limits.
What users like
- Free access to strong reasoning and coding help with no subscription
- Excellent value compared with paid rivals at twenty dollars a month
- Thinking mode that shows working on hard problems
What users complain about
- Slow replies or throttling at busy times, with no paid tier for priority access
- Plain interface lacking projects, workspaces and app integrations
- Model names and modes changing without clear notice
Our editorial score
Our editorial score: 8.3/10 — our own judgement, not an aggregate of user ratings. See the full review for the reasoning.
Read the full DeepSeek review · More Conversational AI tools · All AI tools
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