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Notion AI vs Obsidian
Notion AI is team wiki; Obsidian is personal PKM.
Option A
Notion AI
AI writing and productivity assistant built into Notion for notes, documents, and task management.
O
Option B
Obsidian
Pricing
| Spec | Notion AI | Obsidian |
|---|---|---|
| Plans & pricing | Free · Plus $10/user · Business $18 · AI add-on $10/user | Free app · Sync $4–10 · Commercial $50 · AI plugins vary |
| Free tier | Limited AI trial responses | Local markdown vault free |
Plans & pricing
Notion AI
Free · Plus $10/user · Business $18 · AI add-on $10/user
Obsidian
Free app · Sync $4–10 · Commercial $50 · AI plugins vary
Free tier
Notion AI
Limited AI trial responses
Obsidian
Local markdown vault free
API & limits
| Spec | Notion AI | Obsidian |
|---|---|---|
| API access | Notion API (workspace data) | Plugin APIs; bring your own LLM keys |
| API limits / quota | AI responses per member on add-on | Depends on chosen AI plugin |
| Rate limits | ~3 req/s on Notion API | Local-first, no vendor lock-in |
| Context window | Page & database context | Vault-wide with plugins |
| Best for | Team wikis, docs, light AI | Personal PKM, local notes |
API access
Notion AI
Notion API (workspace data)
Obsidian
Plugin APIs; bring your own LLM keys
API limits / quota
Notion AI
AI responses per member on add-on
Obsidian
Depends on chosen AI plugin
Rate limits
Notion AI
~3 req/s on Notion API
Obsidian
Local-first, no vendor lock-in
Context window
Notion AI
Page & database context
Obsidian
Vault-wide with plugins
Best for
Notion AI
Team wikis, docs, light AI
Obsidian
Personal PKM, local notes
Feature comparison
Pricing value
TieSee pricing table below
API access
TieSee API & limits section
Teams
Notion AILocal files
ObsidianVerdict
Notion for companies; Obsidian for solo depth.
Notion AI is team wiki; Obsidian is personal PKM.
Compare pricing plans, API limits, and feature winners side by side.
Verdict: Notion for companies; Obsidian for solo depth.