BillionAI

Perplexity is a conversational AI answer engine and agentic research platform that searches the live web, synthesizes multi-source findings, and backs every claim with inline verifiable citations. It integrates proprietary Sonar models alongside frontier LLMs from OpenAI, Anthropic, and Google within collaborative workspaces.

All-in-one workspace for notes, docs, projects, and AI-powered productivity.

Genspark offers Sparkpages with an AI copilot, travel guides, and product reviews.

All-in-one AI assistant for writing, search, and image tasks

Free AI assistant for presentations, writing, and coding.

AI assistant for learning, problem-solving, image recognition, and smart tips.

DeepAI provides AI tools for image generation, editing, and character interaction.

Semantic Scholar: AI-powered research tool for scientific literature discovery.

AI-powered academic search engine for scientific research.

GenAI platform with options to sign in, get started, search, and access legacy content.

Chinese dialogue AI model with diverse AI tools.