All comparisons


| Visit Comet | Visit Metaphor | |
|---|---|---|
| What it costs | ||
| Pricing | Free | Freemium |
| Pricing details | Free to download and use; Perplexity says its free version will always include Comet, and Comet has no separate paid plan. | Free tier with API limits, paid plans available |
| Price range | $0/mo | Usage based, no flat monthly plan |
| Free option | Free tier | Free tier |
| Plans |
|
|
| What it is | ||
| What it does | Comet is Perplexity's free AI web browser, with Perplexity search built in and an assistant that summarizes pages, answers questions and completes web tasks. | Metaphor is an AI-powered search engine designed specifically for research and creative exploration. Free tier available. |
| The details | ||
| Tags | ai-browsersearch-engineconversational-aiquestion-answering | search-enginesemantic-searchapiresearch |
What it costs
- Pricing
- Free
- Pricing details
- Free to download and use; Perplexity says its free version will always include Comet, and Comet has no separate paid plan.
- Price range
- $0/mo
- Free option
- Free tier
- Plans
- Free$0/mo
What it is
- What it does
- Comet is Perplexity's free AI web browser, with Perplexity search built in and an assistant that summarizes pages, answers questions and completes web tasks.
The details
- Tags
- ai-browsersearch-engineconversational-aiquestion-answering
What it costs
- Pricing
- Freemium
- Pricing details
- Free tier with API limits, paid plans available
- Price range
- Usage based, no flat monthly plan
- Free option
- Free tier
- Plans
- Starter$0/mo
- Pay-as-you-goNot listed
- EnterpriseContact sales
What it is
- What it does
- Metaphor is an AI-powered search engine designed specifically for research and creative exploration. Free tier available.
The details
- Tags
- search-enginesemantic-searchapiresearch
Read the full reviews
What each one is actually like to use, tested by hand rather than summarised from the vendor’s own page.






















