Perplexity: Sonar Deep Research

This research-focused AI automates multi-step search, evaluation, and synthesis to deliver expert-level reports. It scans hundreds of sources, weighs evidence, and organizes findings into clear, citation-backed narratives—ideal for finance, technology, healthcare, and current events. You can rely on it for literature reviews, market landscaping, competitor analysis, and strategy briefs with up-to-date information. It follows a built-in search plan (scan → read → evaluate → report) and supports long contexts (128K tokens). Because deep exploration can increase latency and cost, it’s best reserved for complex, multi-source work. Always verify citations and align usage with budget, timelines, and compliance needs.