What AI Cannot Do in a Day: The Task I Gave Up On
What AI cannot do in a day is anything you can't check yourself by tonight. I quit a price audit 13 tools in. Here's the line, and how to spot it.
What Perplexitycosts, what you get without paying, and the limits, verified against the vendor’s own pages, plus the one-day projects it shows up in.
Visit Perplexity ↗Has a free tier · paid from $20 per month · Verified August 2026 · No one-day test yet: these are verified facts, not a review.
Yes, permanently free: unlimited basic searches with source citations, plus a daily quota of Pro Searches (sources say 3 to 5 per day) and a small number of Deep Research queries per day. No credit card.
| Tier | Price | Period |
|---|---|---|
| FreeCitations in every answer, access to basic models, limited daily use | $0 | per month |
| ProPerplexity Computer, 4,000 bonus credits, choice of 5+ models | $20 | per month |
| Max10,000 monthly credits plus 35,000 bonus credits | $200 | per month |
| Education Pro | $10 | per month |
| Enterprise Pro | $40 | per seat / month |
| Enterprise Max | $325 | per seat / month |
Prices verified August 2026, we re-check every 60 days.
What AI cannot do in a day is anything you can't check yourself by tonight. I quit a price audit 13 tools in. Here's the line, and how to spot it.
How much do AI tools cost? Our nine-tool stack, priced at the tier where the AI really works: $141.98 a month. Here's the itemized bill and what I'd cut.
I ran a day of errands with an AI browser agent. It nailed the finding half. The buying half is exactly where you keep your hands on the wheel.
I checked 16 AI tools for a real free tier. Nine are actually free, two are trials in disguise. One question exposes the trick every time.