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ChatGPT vs DeepSeek

Our take

Pick ChatGPT if everyone who wants a hosted general assistant — writing, Q&A, light research, images. Pick DeepSeek if developers and power users who want a low-cost API or a free chat window with thinking + search. Skip ChatGPT if teams that cannot send prompts to OpenAI, or developers who need a repo-aware IDE (Cursor) or a local runtime (Ollama). Skip DeepSeek if teams that cannot send prompts to a China-hosted

ChatGPT

ChatGPT

OpenAI’s hosted assistant

DeepSeek

DeepSeek

hosted chat + API lab

Best for

ChatGPT A general-purpose conversation

DeepSeek Cheap reasoning/coding tokens

Free plan

ChatGPT $0 · unlimited everyday text chats (abuse guardrails). Limited uploads, images, voice, deep research, memory, Codex, and desktop Work. Confirmed as the free plan on chatgpt.com/pricing copy and Help

DeepSeek No free plan

Lowest paid

ChatGPT Plus $20/mo, monthly only

DeepSeek Cache $0.003

Next step up

ChatGPT Pro $100 / $200 / $500 per month

DeepSeek Cache $0.022

Coding agent

ChatGPT Codex, rate-limited on Free

DeepSeek

Runs where

ChatGPT Local or hosted

DeepSeek Local or hosted

Watch out

ChatGPT chatgpt.com/pricing HTML still hides $

DeepSeek Chat is login-gated

Last checked

ChatGPT 2026-10-19 · help.openai.com

DeepSeek 2026-10-19 · api-docs.deepseek.com/quick_start/pricing

Which one, then?

Pick ChatGPT if

everyone who wants a hosted general assistant — writing, Q&A, light research, images.

Read the ChatGPT page

Pick DeepSeek if

developers and power users who want a low-cost API or a free chat window with thinking + search.

Read the DeepSeek page

Other comparisons