Open Source

DeepSeek

China

Overview

DeepSeek's assistant for chat, coding, and reasoning. The web and mobile chat apps are free for individual use and run V4.1 Flash. The API is pay-as-you-go for V4.1 Flash and V4 Pro, both with a 1M-token context. Open weights are published under the MIT license.

DeepSeek

freemium

Visit

Features

Free Chat - Individual chat on the web and in the mobile app
V4.1 Flash and V4 Pro - API models for high-volume work and harder reasoning
1M Context - Both API models accept a one-million-token window
Open Weights - MIT-licensed weights for local and self-hosted use

Comments

Log in to join the discussion.

Sign in

Loading comments...

Tool Info

Category: Chatbots & Assistants
Platforms: Web, iOS, Android, API
Pricing: Freemium
Free tier: Yes
Model: DeepSeek V4.1
API: Available
Open source: Yes
Verified: Oct 1, 2026
Price Range: Free chat; API usage billed

Links

Website Homepage

Social