DeepSeek

FreeAI Chatbots & Assistants

A powerful, fully free chat assistant with strong reasoning and coding.

Bq By Benchquill Editorial Team ·Updated June 2026 ·How we rate

DeepSeek is a Chinese-developed AI chatbot that gained global attention for delivering frontier-level reasoning and coding at zero cost to consumers. Its chat experience at chat.deepseek.com and the official mobile app is completely free for individuals, with no Plus or Pro paywall on file uploads or long conversations, the only catch being fair-use throttling during peak hours. Powered by the DeepSeek V4 and R1 model families, it is especially popular for coding, math, and reasoning tasks, and offers some of the cheapest API rates in the industry for developers.

Key features

  • Completely free consumer chat and mobile app
  • DeepSeek V4 and R1 reasoning models
  • Strong coding and math performance
  • No paywall on file uploads or long conversations
  • Very low-cost API for developers
  • Open weights for several models

Pros & cons

Pros

  • Powerful models at no consumer cost
  • Excellent value for coding and reasoning
  • Extremely cheap API for developers

Cons

  • Server-busy throttling during peak hours
  • Data-privacy and China-hosting concerns for some US users
  • Fewer polished consumer features than Western rivals

DeepSeek pricing

DeepSeek uses a free pricing model, with paid plans from Free for consumer chat; API from ~$0.14/M input tokens. A free tier lets you test it before committing.

Who should use DeepSeek?

DeepSeek is best suited for Budget-conscious users and developers who want strong reasoning and coding without a subscription. It earns its place for powerful models at no consumer cost — though it's worth weighing the trade-off that server-busy throttling during peak hours.

Comparing options? See our best ai chatbots & assistants tools guide, or browse every ai chatbots & assistants tool tracked on Benchquill.

DeepSeek FAQ

Is DeepSeek free?

DeepSeek is free. Pricing starts at Free for consumer chat; API from ~$0.14/M input tokens.

What is DeepSeek best for?

DeepSeek is best for Budget-conscious users and developers who want strong reasoning and coding without a subscription.

AI models behind DeepSeek

Related models on our leaderboard: DeepSeek V4 Pro, DeepSeek V4 Flash.

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