Phind is an AI search engine for developers, powered by a Large Language Model (LLM)) driver, which can provide high-quality technical retrieval capabilities. Phind not only supports answering questions related to developers, but also supports answering questions related to non-developers. The response speed and quality are also good.
Perplexity is a tool that improves the efficiency of the assistant. It supports uploading text or PDF files (up to 25MB) and upgrades to GPT-4. It acts as a personal search assistant to help users quickly find the information they need. Try Pro pricing is based on user needs, with free trials and paid versions available. It is positioned to improve personal productivity and search efficiency.