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ChatGPT vs DeepSeek

ChatGPT or DeepSeek? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.

In inglese

In short

  • Both: Searches the web, Reads your files, Understands images, Mobile app
  • Only ChatGPT states: Makes images, Voice conversation, Remembers you, Projects, Desktop app, Your data kept out of training
  • Only DeepSeek states: Developer API

ChatGPT

ChatGPT is an AI assistant for writing, research, coding, learning, planning, image analysis, and web search.

Plans

Free

Free

  • Unlimited text chats with GPT-5.6 Luna
  • Limited messages with uploads
  • Limited and slower image generation
  • Limited voice chats
  • Limited deep research
  • Limited memory and context

Go

  • $8 / month
  • Everything in Free and:
  • More messages with tools
  • More uploads
  • More image creation
  • More voice chats
  • Longer memory

Plus

  • $20 / month
  • Everything in Go and:
  • Advanced reasoning models with GPT-6
  • Expanded messages and uploads
  • More complex and accurate image creation
  • Expanded deep research
  • Expanded memory and context

Pro

  • From $100 / month
  • Everything in Plus and:
  • 5x more usage
  • Pro reasoning powered by GPT-6 Astra
  • Maximum Codex tasks
  • Unlimited and faster image creation
  • Maximum deep research

Prices checked 2026-09-24 by web search.

Capabilities

  • Searches the web — “Yes. ChatGPT can search the web and cite sources when it needs current information.” source
  • Reads your files — “Upload a file or image to analyze, summarize, or transform (available on paid plans with data analysis).” source
  • Understands images — “Upload a file or image to analyze, summarize, or transform (available on paid plans with data analysis).” source
  • Makes images — “Create an image (“Create a watercolor logo of a mountain at sunrise”). ChatGPT images include C2PA provenance metadata.” source
  • Voice conversation — “Plan: Free, Feature: Voice, Yes” source
  • Remembers you — “Plan: Go, Feature: Memory with past chats, Yes” source
  • Projects — “Plan: Free, Feature: Projects, Yes” source
  • Mobile app — “Mobile apps: iOS and Android.” source
  • Desktop app — “Limited (desktop app) Plan: Free, Feature: ChatGPT Work, Limited (desktop app)” source
  • Your data kept out of training — “Opt-out available Learn more Plan: Free, Feature: Content is used to train our models, Opt-out available” source

Latest updates

About ChatGPT

DeepSeek

DeepSeek is a free AI chat service for writing, coding, research, reasoning, web search, and file-based questions.

Plans

deepseek-flash

  • $0.003 per 1M input tokens (cache hit), off-peak
  • $0.006 per 1M input tokens (cache hit), peak
  • $0.15 per 1M input tokens (cache miss), off-peak
  • $0.3 per 1M input tokens (cache miss), peak
  • $0.6 per 1M output tokens, off-peak
  • $1.2 per 1M output tokens, peak
  • Context length: 1M
  • Maximum output: 384K
  • Supports non-thinking and thinking modes
  • JSON Output
  • Tool Calls
  • Vision supported

deepseek-v4-pro

  • $0.022 per 1M input tokens (cache hit), off-peak
  • $0.044 per 1M input tokens (cache hit), peak
  • $0.66 per 1M input tokens (cache miss), off-peak
  • $1.32 per 1M input tokens (cache miss), peak
  • $1.98 per 1M output tokens, off-peak
  • $3.96 per 1M output tokens, peak
  • Context length: 1M
  • Maximum output: 384K
  • Supports non-thinking and thinking modes
  • JSON Output
  • Tool Calls
  • Vision not supported

Prices checked 2026-09-25 on the maker’s page.

Capabilities

  • Searches the web — “🔍 Web search & Deep-Think mode” source
  • Reads your files — “📄 File upload & text extraction” source
  • Understands images — “The official version of DeepSeek-V4.1-Flash has been released, featuring comprehensive improvements in text and Agent performance, along with native multimodal visual understanding capabilities.” source
  • Developer API — “BASE URL (OpenAI Format) https://api.deepseek.com” source
  • Mobile app — “📱 Now officially available on App Store & Google Play & Major Android markets” source

Latest updates

  • DeepSeek-V4.1-Flash Release (DeepSeek-V4.1-Flash)

    DeepSeek V4.1 Flash is available on the API with native multimodal support; legacy model names route to V4.1 Flash.

  • DeepSeek-V4-Flash-Vision-Exp Release (DeepSeek-V4-Flash-Vision-Exp)

    The model is available on the DeepSeek API platform and can be accessed by setting model='deepseek-v4-flash-vision-exp'.

  • DeepSeek-V4-Pro Update (DeepSeek-V4-Pro)

    The GA release rolled out on the APP, Web, and API; the API supports the Responses API format; thinking modes support low / high / max.

About DeepSeek