# DeepSeek — AI Compare Ninja

> AI assistant from the Chinese vendor DeepSeek: chat via web and app plus a token-billed API for its own language models.

## Overview
- **Category:** Productivity (Assistants & workspaces)
- **Status:** Active · checked - Active under the name DeepSeek. The vendor (Hangzhou DeepSeek Artificial Intelligence Co., Ltd.) lists DeepSeek Web, DeepSeek App, DeepSeek Harness and API Platform on its home page. Current flagship per the home page: DeepSeek-V4-Pro, available on web, app and API.
- **Paid from:** $0.15 (off-peak) / $0.30 (peak) / 1 million Entry tokens (cache miss, off time / peak time) (API deepseek-flash)
- **Free access:** Free plan
- **Website:** https://www.deepseek.com/
- **Canonical URL:** https://www.aicompare.ninja/en/tool/deepseek

## What it does
- Chat assistant via web and app, including DeepSeek-V4-Pro
- Token-billed API for its own language models (Flash and Pro)
- Context length 1M tokens and maximum output 384K tokens
- Off-peak and peak API pricing, e.g. Flash input cache miss 0.15 to 0.30 dollars per 1 million tokens
- Free web chat with no paid chat subscription tier according to the vendor

## In brief
AI assistant from the Chinese vendor DeepSeek: chat via web and app plus a token-billed API for its own language models.


## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| DeepSeek Web / App (Chat) | contact sales | Free | Home page: 'Free access to DeepSeek. Experience the intelligent model.'; Access via web chat (chat.deepseek.com) and the DeepSeek app; Per the home page DeepSeek-V4-Pro is 'fully available across the web, mobile app, and API'; The vendor publishes no paid subscription tier for the chat product |
| API deepseek-flash | $0.15 (off-peak) / $0.30 (peak) | 1 million Entry tokens (cache miss, off time / peak time) | Input cache hit: $0.003 (off-peak) / $0.006 (peak) per 1M tokens; Input cache miss: $0.15 (off-peak) / $0.30 (peak) per 1M tokens; Output: $0.60 (off-peak) / $1.20 (peak) per 1M tokens; Context length 1M, max output 384K, model version DeepSeek-V4.1-Flash; Concurrency limit 2500; Vendor note: 'Off-peak rates are half of the peak rates. Peak hours are 01:00 - 04:00 and 06:00 - 10:00 UTC, Monday through Friday'; Supersedes deepseek-v4-flash and deepseek-v4-flash-vision-exp; now also accepts image input (images are billed as input tokens) |
| API deepseek-v4-pro | $0.66 (off-peak) / $1.32 (peak) | 1 million Entry tokens (cache miss, off time / peak time) | Input cache hit: $0.022 (off-peak) / $0.044 (peak) per 1M tokens; Input cache miss: $0.66 (off-peak) / $1.32 (peak) per 1M tokens; Output: $1.98 (off-peak) / $3.96 (peak) per 1M tokens; Context length 1M, max output 384K, model version DeepSeek-V4-Pro-0813; Concurrency limit 500; Per the vendor's own announcement, API service continues past September 14, 2026 at unchanged pricing |

## Current models
- **DeepSeek-V4.1-Flash**
- **DeepSeek-V4-Pro**

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://www.deepseek.com/en
- https://api-docs.deepseek.com/quick_start/pricing
- https://api-docs.deepseek.com/quick_start/token_usage
- https://cdn.deepseek.com/policies/en-US/deepseek-privacy-policy.html
- https://cdn.deepseek.com/policies/en-US/deepseek-terms-of-use.html
- https://api-docs.deepseek.com/quick_start/pricing/

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/deepseek*