DeepSeek
by DeepSeek
Free AI chat app built on DeepSeek's own models
PricingFree
Starts at—
Free tierYes
Platformsweb, ios, android, api
Models usedDeepSeek V4 family (V4.1-Flash latest release listed)
Best for
Users who want a capable assistant for reasoning, math and coding at no cost.
Overview
DeepSeek offers a free chat assistant on the web and mobile, powered by its own V4-series models. Developers can access the same models through a separately priced API.
Strengths and limits
- No subscription required for the chat app
- Strong at reasoning, math and coding tasks
- Low-cost API for developers
- Fewer extra features (media generation, integrations) than larger assistants
- Data is processed by a China-based company, which some organizations restrict
What the free plan includes
Web chat and mobile app with DeepSeek models; no paid consumer plan listed.