CoAI

DeepSeek

DeepSeek

DeepSeek is a general-purpose AI assistant service that can be used for Q&A and reasoning.

Chat & conversationFree plan available
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Platforms

WebiOSAndroidAPI

Overview

DeepSeek is a general-purpose AI assistant service from DeepSeek. It's mainly used for Q&A, reasoning, programming, and API development, with features including conversational AI, reasoning, code assistance, and an API.

Main features

  • Conversational AI
  • Reasoning
  • Code assistance
  • API

Pros・Cons

Pros

  • Supports conversational AI
  • Reasoning
  • Easy to use for Q&A

Pricing

DeepSeek-V4-Flash API (off-peak input cache miss)

$0.22 / 1M input tokens

  • オフピーク時。キャッシュ未命中入力。

Last verified: September 2026

DeepSeek-V4-Pro API (off-peak input cache miss)

$0.66 / 1M input tokens

  • オフピーク時。キャッシュ未命中入力。

Last verified: September 2026

Screenshots

DeepSeek official website
DeepSeek official website (auto-captured)

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