The blog.
Deep dives, comparisons, and roundups on the AI tools worth paying for. Only what we'd actually buy — no SEO sludge, no influencer demos.
Perplexity pricing: $20 a month, or $17, on the same site
Perplexity pricing is $0, $20 or $200 a month. Its own plan pages show two different headline numbers, and the Enterprise tab quietly switches billing basis.
Best AI for Research: 8 Tools, Matched to Each Step of the Job
The best AI for research, by step: Gemini Notebook to question your sources, Perplexity and Consensus to find them, deep research to write up. US prices.
Notion Alternatives: 9 Picks for Notes, Wikis, Tables and Tasks
The best Notion alternatives by job: Obsidian for personal notes, Confluence for wikis, ClickUp for projects, Airtable for databases. Prices in US dollars.
Google Gemini review: the best free tier, sold as storage
A Google Gemini review from the free tier: four models including 3.1 Pro handed over for nothing, then paid tiers that are really 400GB, 5TB and 20TB of Drive.
How to Use NotebookLM: Seven Steps, From First Source to Quiz
How to use NotebookLM, now Gemini Notebook: add sources, ask questions you can check, make audio overviews and quizzes, and stay inside the usage meter.
NotebookLM Alternatives: 9 Picks, Sorted by Why You're Leaving
The best NotebookLM alternatives by reason for leaving: Notion AI for teams, Copilot Notebooks for Microsoft 365, Open Notebook to self-host. Prices in US$.
Perplexity AI review: the free tier is a showroom
A Perplexity AI review from the free tier: ten models in the picker and every one padlocked, $17 a month to unlock them, and six publishers now suing.
Perplexity vs ChatGPT: we asked both the same question
Same question, same day, both free tiers. One got the facts right and cited them; the other was confidently wrong. Plus the price nobody compares properly.
NotebookLM vs Notion: I Gave Both the Same Four Articles
NotebookLM vs Notion AI on the same four articles and questions: Gemini Notebook's citation opened the passage and it is free; Notion builds pages, from $20.
Notion Pricing: $0 to $24 a Seat, and Where Notion AI Starts
Notion pricing in the US: Free, Plus at $10 or $12, Business at $20 or $24 per member a month. Where Notion AI starts, what credits cost and how seats bill.
NotebookLM Pricing: Free, $4.99 or $19.99, and What You Get
NotebookLM pricing in the US: free, or $4.99, $19.99 or from $99.99 a month via Google AI plans. What each tier's limits buy, plus work and student routes.
Notion AI Review: It Builds Real Pages, but Full AI Costs $20
A hands-on Notion AI review on a free workspace: 39 requests, a 23-row database, a six-minute slide deck, one wrong citation, and what Business costs.