DeepSeek AI is a large language model platform launched by DeepSeek, a China-based AI company. It became publicly known in early 2024 to provide powerful, low-cost alternatives to existing AI models like OpenAI’s ChatGPT. DeepSeek has released multiple models, such as DeepSeek-V2, DeepSeek-V3, and DeepSeek Reasoner (R1), gaining attention for their performance in reasoning tasks and low-cost API.

Early user feedback across platforms like Hugging Face, GitHub, and developer communities seems positive, especially among researchers and developers. Many have appreciated the fast response time, long context window, and affordable pricing.

Speaking of cost, DeepSeek charges based on token usage, and its API prices are significantly lower than many other LLM providers, especially during off-peak hours. We'll break down this pricing below in simple terms.

Main Offerings of DeepSeek AI

DeepSeek AI offers features that are useful for developers, researchers, and businesses:

1. Multiple Model Options

  • DeepSeek-V3 (Chat): Great for general use like summarisation, Q&A, and conversations.
  • DeepSeek Reasoner (R1): Designed for complex logic tasks and step-by-step reasoning.

2. Large Context Window

  • Both models support 64,000 tokens of input, allowing users to process or feed in large documents and codebases.

3. Chain of Thought (CoT) Support

  • DeepSeek Reasoner can generate intermediate reasoning steps, useful in solving maths, logical problems, or multi-step tasks.

4. Low Latency and Cost

  • Known for its quick response time and cost-efficient usage, especially compared to popular tools like GPT-4.

5. Developer-Friendly API

  • Simple API setup, good documentation, and token-based pricing.

6. Open Source Availability

  • Pretrained models are available for research and offline use, increasing flexibility.

DeepSeek AI Pricing (Explained Simply)

DeepSeek charges users based on the number of tokens used in each interaction. A token can be a word or part of a word. There are three types of charges:

  • Input (Cache Hit) – Cheaper if DeepSeek has already seen your request before
  • Input (Cache Miss) – More expensive if it’s a new request
  • Output Tokens – Based on the response generated by the AI

Standard Pricing (Per 1 Million Tokens)

ModelInput (Cache Hit)Input (Cache Miss)Output Tokens
DeepSeek-Chat$0.07$0.27$1.10
DeepSeek-Reasoner$0.14$0.55$2.19

Off-Peak Pricing (From 16:30 to 00:30 UTC)

ModelInput (Cache Hit)Input (Cache Miss)Output Tokens
DeepSeek-Chat$0.035$0.135$0.55
DeepSeek-Reasoner$0.035$0.135$0.55

Key Points to Remember

  • Off-peak hours are cheaper.
  • You only pay for the tokens you use.
  • Cache hit = repeated input = lower cost.

How to Download DeepSeek AI on Your Mobile Phone

You can easily install the DeepSeek AI Assistant app on both Android and iOS devices. Follow the steps below:

For Android:

  1. Open the Google Play Store.
  2. Search for “DeepSeek AI Assistant”.
  3. Tap on the official app and hit Install.
  4. Once installed, tap Open to start using it.

For iPhone (iOS):

  1. Open the App Store.
  2. Search for “DeepSeek AI Assistant”.
  3. Tap Get and confirm the download.
  4. Open the app once it’s installed.

DeepSeek AI vs ChatGPT (Comparison Table)

FeatureDeepSeek AIChatGPT (OpenAI)
CompanyDeepSeek (China)OpenAI (USA)
Launch Year20242022 (ChatGPT)
Latest ModelDeepSeek-V3 & Reasoner-R1GPT-4-turbo
Max Context Window64K tokens128K tokens (GPT-4-turbo)
Supports Chain of ThoughtYes (Reasoner model)Yes
API AvailabilityYesYes
Open SourceYes (weights available)No (only GPT-2 open-sourced)
PricingVery low, starting at $0.035 (off-peak)Higher (e.g., GPT-4 API $10+ per 1M)
Best ForResearch, Reasoning, Cost EfficiencyHigh-accuracy, commercial use cases

Summary

In this article, we discussed DeepSeek AI, a powerful language model platform launched in 2024 by DeepSeek. We explored its key features, such as multiple models, reasoning support, and low pricing. We also provided a simple pricing explanation and a clear comparison with ChatGPT.

If you're looking for an affordable, developer-friendly AI model with open-source flexibility, DeepSeek could be worth trying. However, as with any new technology, always test it for your specific needs before large-scale use.

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