In short
How they differ.
Worked out from the makers' own pages, read Oct 20, 2026. Prices change; check before you pay.
- Only Perplexity has a free plan.
- Kagi Assistant's cheapest paid plan is cheaper: $5 a month against $10.
- Kagi Assistant also has a web and phone app.
- Perplexity shipped an update more recently (Oct 19, 2026).
Side by side
The details.
| Kagi Assistant | Perplexity | |
|---|---|---|
| Made by | Kagi · United States | Perplexity AI · United States |
| What it says it is | “Kagi Assistant combines the top large language models (LLMs) with optional results from Kagi Search” | “Perplexity Pro unlocks more ways to learn and get work done.” |
| Free plan | NoNo free plan; a free Trial is capped at 100 searches and 100 Assistant interactions. "Assistant is available to all members." | YesFree (Standard): Pro Searches "3/day", Research Queries "1/month", "Practically unlimited basic searches". |
| Plans | Trial: freeStarter: $5 a monthProfessional: $10 a monthUltimate: $25 a month | Standard (Free): freePro: not in US$Max: $200 a monthEducation Pro: $10 a monthEnterprise Pro: $40 a month |
| Runs on | web, mobile apps | Not stated |
| Latest update | Smarter search widgets, Privacy Pass upgrades, and a calmer Assistant, Oct 16, 2026 | Ultrafast Computer models, Decisions API, and connector controls, Oct 19, 2026 |
| Its terms | “By default and unless otherwise stated, Kagi Assistant automatically deletes conversation threads after one day.”What it does with your data · Kagi Privacy Policy | “Some data may be used to train AI models and improve search quality, unless you opt out through Account Settings”What it does with your data · Perplexity Help Center: Data Collection at Perplexity |
| Disputes | None on file | None on file |
| Sources | Prices, Oct 20, 2026 · Description · company-reported | Prices, Oct 20, 2026 · Description · company-reported |
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