vs
DeepSeek vs ChatGPT: Free App or Full-Featured Assistant?
DeepSeek and ChatGPT are general-purpose AI chat assistants. DeepSeek offers its chat app for free with its own V4-series models and lists no paid consumer plan, while ChatGPT from OpenAI runs Free, Go, Plus and Pro tiers with a much broader feature set, including images and voice.
The short answer
Pick DeepSeek if you want a no-cost assistant for reasoning, math and coding and do not need media tools. Pick ChatGPT if you want image creation, voice, deep research and agent features in one app, and are willing to pay for higher tiers.
Side by sideDeepSeek vs ChatGPT
| DeepSeek | ChatGPT | |
|---|---|---|
| Company | DeepSeek | OpenAI |
| Pricing | Free | Freemium |
| Starts at | — | $8/month (Go) |
| Free tier | Yes | Yes |
| Platforms | web, ios, android, api | web, ios, android, windows, macos |
| Models used | DeepSeek V4 family (V4.1-Flash latest release listed) | GPT-6 family (GPT-6.1 Sol, GPT-6 Astra/Sol/Luna) plus GPT-5.6 models |
| Best for | Users who want a capable assistant for reasoning, math and coding at no cost. | Anyone who wants one assistant that covers everyday questions, writing, coding help, image creation and research. |
Facts in this table come from the verified profile of each product.
Key differences
Chat app is free; no paid consumer plan is listed. The API is billed per token separately.
Free, then Go at $8/month, Plus $20/month and Pro from $100/month. Prices are geo-localized.
Web chat and mobile app with DeepSeek models.
Unlimited GPT-6 text chats (abuse guardrails apply), plus limited uploads, image creation, voice, deep research and Codex access.
DeepSeek V4 family; V4.1-Flash is the latest listed release.
GPT-6 family (GPT-6.1 Sol, GPT-6 Astra/Sol/Luna) plus GPT-5.6 models.
Reasoning, math and coding tasks at no cost.
One assistant for everyday questions, writing, coding help, image creation and research.
Fewer extras such as media generation and integrations than larger assistants.
Voice, images, deep research, projects, scheduled tasks, plus Codex and agent features on paid plans.
Web, iOS, Android and API.
Web, iOS, Android, Windows and macOS.
Data is processed by a China-based company, which some organizations restrict.
Go may include ads and lacks advanced reasoning models; the highest model access requires Pro.
Choose DeepSeek if…
- You want a capable chat assistant without paying any subscription.
- Your main tasks are reasoning, math or coding.
- You are a developer who also wants a low-cost API.
- You do not need image, video or voice features.
Choose ChatGPT if…
- You want image creation and voice chat in the same assistant.
- You need desktop apps for Windows or macOS.
- You want deep research, projects and scheduled tasks.
- Your organization restricts services that process data in China.
Frequently asked questions
Is DeepSeek really free?
Yes. The DeepSeek chat app on the web and mobile is free, and the official site lists no paid consumer plan. Developers who use the API pay per token, billed separately from the chat app.
Is DeepSeek cheaper than ChatGPT?
For the chat app, yes: DeepSeek lists no paid consumer plan. ChatGPT also has a free plan, with paid tiers at $8/month (Go), $20/month (Plus) and from $100/month (Pro). ChatGPT prices are geo-localized, so your local price may differ.
Which has more features, DeepSeek or ChatGPT?
ChatGPT has the broader feature set: voice, image creation, deep research, projects, scheduled tasks and Codex. DeepSeek focuses on chat with its own models and has fewer extras such as media generation and integrations.
More comparisons
All comparisonsvs
ChatGPT vs Claude
ChatGPT from OpenAI and Claude from Anthropic are general-purpose AI assistants, each with a free plan and paid tiers. ChatGPT covers a…
vs
ChatGPT vs Google Gemini
ChatGPT from OpenAI and Google Gemini are general-purpose AI assistants with free plans and several paid tiers. The main difference is ecosystem:…
vsClaude vs Google Gemini
Claude from Anthropic and Google Gemini are AI assistants with free and paid plans. Claude focuses on writing, document analysis and coding…
vs
ChatGPT vs Perplexity
ChatGPT is OpenAI's general-purpose assistant for chat, writing, coding, images and research. Perplexity is an answer engine that responds with inline source…
vs
Cursor vs GitHub Copilot
Cursor is an AI-first code editor and coding agent from Anysphere, now part of SpaceX. GitHub Copilot adds suggestions, chat, an agent…
vs
Claude Code vs OpenAI Codex
Claude Code and OpenAI Codex are agentic coding tools that read a codebase, edit files and run tasks. Claude Code comes with…