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MemoryBase vs Notion AI

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. MemoryBase starts at $9, Notion AI at $24. Both have a free tier. Both ship a public API.

MemoryBaseKeeps a shared memory of your AI chats so context carries over between ChatGPT, Claude, and Gemini.Notion AIAgents, AI meeting notes and cross-app search built directly into the Notion workspace

Side by side

FactMemoryBaseNotion AI
CategoryNote-taking & Second BrainDocument Editing & Office Suites
Pricing modelFreemiumFreemium
Starts at$9 month$24 month
Public APIYesYes
PlatformsWeb, Chrome Ext, APIWeb, macOS, Windows, iOS, Android
CompanyMemoryBaseNotion Labs, Inc.
Launched—2023
Last verifiedSep 1, 2026Sep 6, 2026

What our research says

MemoryBase

MemoryBase solves a real annoyance for people who use several AI chat tools regularly: it stops you from re-explaining the same background every time you switch models. Its value depends entirely on how many different AI tools you actually juggle, since it does nothing for someone who sticks to one assistant.

Pros

  • Automatic organization of conversations into timelines and projects
  • Selective context sharing rather than dumping everything into every chat
  • Chrome extension plus MCP/CLI hooks for coding agents

Cons

  • Free tier caps chat history at 6 months
  • Perplexity and Grok support not live yet
  • No dedicated public API documentation found beyond the CLI/MCP mentions

Notion AI

If your team already lives in Notion, this replaces separate meeting-notes and enterprise-search subscriptions with one bundled layer that can actually edit your pages and databases. The catch is the toll: full AI requires the Business tier for every member, and automated custom agents burn metered credits on top.

Pros

  • Agent operates on real workspace objects, not just chat replies
  • Meeting notes and connector-based search are included rather than sold separately
  • Zero data retention with LLM providers is available at the Enterprise tier
  • Mature platform with a documented public API and broad app coverage

Cons

  • Per-member Business pricing makes AI expensive for large casual teams
  • Custom agents consume paid credits once the promotional window lapsed
  • Output quality depends heavily on how well-structured your workspace is

Which one fits

Choose MemoryBase if you need

  • People who regularly switch between ChatGPT, Claude, and Gemini for the same project
  • Developers wanting shared context across coding agents via MCP
  • Anyone tired of re-pasting background context into every new chat

Choose Notion AI if you need

  • Teams standardized on Notion for docs, wikis and projects
  • Ops people automating recurring page and database upkeep with scheduled agents
  • Companies consolidating meeting transcription and cross-app search into one tool

More comparisons

All Notion AI alternatives →Browse all Note-taking & Second Brain →