DeepSeek
Free, Paid
DeepSeek — A general-purpose AI assistant and model platform for reasoning, coding, multimodal tasks, and long-context applications.
Key Features
- Web and mobile chat with reasoning and search modes
- Document analysis and code assistance
- Long-context API models with tool calling and multimodal support
- Open model releases for local or third-party deployment
Pricing Structure
The consumer chat service is available at no charge, subject to service limits. API access is billed by token and model; self-hosted open models may incur only infrastructure and deployment costs.
Use Performance & Case Suitability
- Complex reasoning and problem solving
- Programming and code explanation
- Document summarization and translation
- Embedding DeepSeek models in applications
Customization & Flexibility
- API parameters, system prompts and tool calling
- Local deployment and fine-tuning options for open models
- Choice between reasoning and non-reasoning model variants
Data Handling & Privacy
DeepSeek’s consumer privacy policy permits collection and processing of prompts, files and interactions for service operation and improvement. API or self-hosted deployments have different data paths; organizations should assess residency, retention and applicable local law.
Support & Documentation
Platform documentation, API status and developer resources; consumer contact and feedback routes are listed in DeepSeek’s help and legal pages.