Pick ChatGPT if
everyone who wants a hosted general assistant — writing, Q&A, light research, images.
Read the ChatGPT pageChatGPT vs Mem
Our take
Pick ChatGPT if everyone who wants a hosted general assistant — writing, Q&A, light research, images. Pick Mem if solo knowledge workers who will live in one Mem inbox and pay when the 25-message Free cap bites. 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 Mem if teams that need a shared workspace wiki (Notion AI) or a
Mem
**notes app
Best for
ChatGPT A general-purpose conversation
Mem Dump notes and ask Mem to file them
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
Mem $0 · 25 messages; 25 new notes; tracking on 25 notes; 15 open tasks/projects; 3 hours Voice Mode
Lowest paid
ChatGPT Plus $20/mo, monthly only
Mem Mem Plus $9
Next step up
ChatGPT Pro $100 / $200 / $500 per month
Mem Mem Pro $29
Coding agent
ChatGPT Codex, rate-limited on Free
Mem
Runs where
ChatGPT Local or hosted
Mem
Watch out
ChatGPT chatgpt.com/pricing HTML still hides $
Mem Free is 25 messages and 25 notes
Last checked
ChatGPT 2026-10-19 · help.openai.com
Mem 2026-10-20 · get.mem.ai/pricing
Which one, then?
Pick Mem if
solo knowledge workers who will live in one Mem inbox and pay when the 25-message Free cap bites.
Read the Mem page