Blog
Articles about mind clones, AI second brains and getting answers from your own documents.
Gemini File Upload Limit and Gemini Upload Limit per Plan
Gemini takes 10 files per prompt at 100 MB each (video 2 GB) on every plan. Context and daily limits for Free, AI Plus, AI Pro and Ultra, and why uploads fail.
Tana Pricing for Free, Pro and Business Plans and Cost per User
Tana Pro costs $20 per user a month billed yearly at the early bird rate ($30 regular), Free has 50 AI queries, Business is custom. Team costs and who should pay.
Heptabase Pricing and Cost of Each Plan
Heptabase Pro costs $8.99 a month billed yearly (about $11.99 monthly), Premium $17.99 and Premium+ $53.99. Credits, trial, no free plan and who should pay.
Claude File Upload Limit and Project File Limit by Plan
Claude allows 20 files per chat at 500 MB each, PDFs up to 1,000 pages and 30 MB per Project file. Limits for Free, Pro and Max, and why uploads fail.
ChatGPT File Upload Limit per Day for Plus and Pro
ChatGPT allows 80 file uploads every 3 hours on paid plans and 3 a day on Free, up to 512 MB a file. Limits per plan, why uploads fail and when to switch.
Copilot Notebooks Pricing and Copilot License Cost
A Microsoft 365 Copilot license costs $30 a user a month on a yearly plan, Copilot Business $18 to $21, Personal $9.99. Which license unlocks Copilot Notebooks, and NotebookLM compared.
Roam Research Pricing and Cost, Pro vs Believer Plans
Roam Research costs $15 a month or $165 a year, with a $500 Believer plan for five years. When Believer pays off, the hidden cost of AI, and cheaper options.
Readwise Pricing, Reader Cost and Lite vs Full Plans
Readwise costs $9.99 a month billed yearly or $12.99 monthly, and Lite is $5.59. What each plan includes, if Reader costs extra, 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 Pricing and Price for Standard $4 vs Plus $8
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 Pricing and Limits for Plus, Pro and Gemini Notebook
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.