Blog
Articles about mind clones, AI second brains and getting answers from your own documents.
Claude File Upload Limit and Claude Pro Upload Limit by Plan
Claude takes 20 files per chat at 500 MB each and 30 MB per Project file on Free and Pro. How many files the free plan allows, Pro limits, and why uploads fail.
ChatGPT File Upload Limit per Day and ChatGPT Go Upload Limit
ChatGPT Go and Plus allow 80 file uploads every 3 hours, Free 3 a day, up to 512 MB a file. Daily limits per plan, why uploads fail and when to switch.
Copilot License Cost and Copilot Notebooks Pricing
A Copilot license costs $30 a user a month paid yearly, Copilot Business $18 to $21, Personal $9.99. See which license unlocks Copilot Notebooks and what it reads.
Roam Research Pricing and Cost, Pro vs Believer Plans
Roam Research costs $15 a month or $165 a year, and Believer is $500 for five years. See which plan pays off for you and what AI adds on top of the price.
Readwise Pricing and Readwise Student Discount by Plan
Readwise costs $9.99 a month billed yearly or $12.99 monthly, Lite is $5.59, and students get 50% off. What each plan includes and when to pick another tool.
Notion AI Pricing and Notion Plus Pricing per Plan
Notion Plus costs $10 a member a month billed yearly, $12 monthly, with only an AI trial. Full Notion AI needs Business at $20. What each plan gets and who should pay.
Evernote Pricing Plans and Cost After the Price Increase
Evernote Starter costs $99 a year and Advanced $249.99. What each plan includes, why renewals jumped, and cheaper ways to search a document archive.
Obsidian Sync Price $4 vs $8 for Standard and Plus
Obsidian Sync price is $4 a month for Standard and $8 for Plus billed yearly, or $5 and $10 monthly. Limits per tier, yearly cost and when Sync is the wrong fix.
NotebookLM Limits and NotebookLM Pricing for Free, Plus and Pro
NotebookLM limits are 50, 100 or 300 sources per notebook on Free, Plus and Pro, plus a compute quota since September 2026. What each paid tier costs.
Capacities Pricing and 6 Capacities Alternatives
Capacities pricing: Basic free, Pro $11.99 a month or $9.99 billed yearly, plus the AI add-on. Six Capacities alternatives compared on price and AI limits.
Best Tana Alternatives Compared on Price and AI Features
Six Tana alternatives compared on monthly price, structure and AI, from Capacities to a library that answers from your own files. Pick the one that fits.
Heptabase Alternatives Compared for Whiteboards and AI
Six Heptabase alternatives compared on whiteboards, AI, file ownership and price, from Obsidian and Kosmik to Capacities, Tana and Logseq. Pick the one that fits how you work.