Vendor and product family
Perplexity
Perplexity provides search and research answers with sources. Computer, Comet, and the developer API have separate workflows and access requirements.
Website ↗What this vendor offers
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App or product
Perplexity
Search and research assistant that answers questions using web sources and citations.
A Standard free plan and paid plans are documented. Advanced research, selected models, uploads, and file or app creation have plan-specific access and limits; API billing is separate.
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One company may offer several products with different access, setup and costs. Its underlying model name does not tell you which product you need.