Perplexity

Perplexity is a chat-based AI answer engine for individual researchers, power users, enterprise teams, and developers who need real-time answers grounded in web research.

Key capabilities include:

• Deep Research for multi-step investigations with upgraded performance and support for top models (including Opus 4.5/4.6)
• Memory recall that retains and retrieves conversation details (reported 95% effectiveness)
• Agents and orchestration via Comet Browser Agent (analyzes web data, GitHub history, and competitor flows) and Perplexity Computer, which coordinates 19 AI models for workflows such as research, coding, design, deployment, and project management
• Attachments and Labs Projects for analyzing files and producing artifacts like dashboards, spreadsheets, and presentations (noted for Max subscribers)
• RESTful API to embed AI answers with citations into apps, dashboards, and bots, plus audit logs and granular access controls for organizations

Pricing: Freemium, with Free, Pro, Max, and Enterprise plans.

Notable for combining proprietary search with multiple AI models to deliver cited, real-time answers at scale (reported 780M+ monthly queries across 238 countries), plus integrations such as Samsung Galaxy S26 phones and releases like the Draco benchmark and the Feb 25, 2026 launch of Perplexity Computer.