Perplexity Another neural network-based search engine

Another search engine based on neural networks. It works on the same principle as the previous one — it generates a response to the request with links to sources. At the same time, it specifically indicates which site each part of the response was taken from.

Positive:

Direct answers without tedious internet surfing.
It takes into account the context. The query chain for each topic is saved in the library.
You can personalize the results by specifying information about yourself.
Co-pilot mode for more accurate and detailed answers.
Supports several artificial intelligence models: GPT 4, Claude 2.1, Gemini, Perplexity.
You can generate images, though only on a paid tariff.
There is no advertising.
Minuses:

Restrictions on the free plan, the paid version is $20 per month or $200 per year.
An unusual interface.