DeepSeek Review

DeepSeek is the Chinese AI lab whose open-weight models and rock-bottom API pricing reset everyone’s expectations. Its chat app and web assistant are free to use, and the underlying models are downloadable, self-hostable and MIT-licensed — a combination no closed rival offers.

The reasoning models rival far more expensive assistants on math and code, which made DeepSeek an overnight favorite with developers. This DeepSeek review covers what you get free, what the API costs and when to pick it over ChatGPT or Gemini.

DeepSeek review: pricing and best use

The chat app and web assistant are free, with full feature access — no paywall. The API is where DeepSeek stuns: prices have historically run at a fraction of a dollar per million tokens, roughly ten to forty times cheaper than frontier rivals. Self-hosting the open weights costs only your own GPU time. Confirm current prices on the official DeepSeek site — they change often.

Best use cases

• Budget-friendly coding — strong code generation and debugging at prices that make agents and automation viable at scale.
• Self-hosted deployments — download the weights for on-prem work where data cannot leave your servers.
• Math and reasoning — the reasoning mode works through problems step by step and shows its logic.

Limitations

• Data considerations — the cloud service routes data to servers in China; compliance-sensitive teams should self-host the open weights instead.
• Multimodal gaps — image and voice features trail Gemini; it is strongest on text, code and math.
• Speed fluctuates — capacity constraints have caused slowdowns and temporary sign-up limits during demand spikes.

DeepSeek FAQ

Our DeepSeek review verdict: the value pick for developers — near-frontier reasoning at a fraction of the price, with open weights when privacy matters. Pair it with our free AI Prompt Generator and see more coding picks alongside Cursor and Windsurf.