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

Platforms
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

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