perplexity.ai · Personal Assistants
Perplexity's AI native web browser with an assistant that can research, summarise and act across sites.
Comet is one of 9 personal assistant tools on Ryza. See all personal assistant tools or how we check facts.
// guides
The best AI tools for research paper writing in 2026: Consensus, Elicit and Semantic Scholar to find papers, Zotero to cite, and Claude or ChatGPT to revise.
The best AI browsers in 2026 compared: Comet, Dia, Gemini in Chrome and Copilot in Edge on price, platforms and safety, plus what replaced ChatGPT Atlas.
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Diadiabrowser.comAI browser from The Browser Company that lets you chat with your tabs and automate routine browsing.Personal AssistantsFreemiumHN 1
Gemini in Chromegemini.googleGoogle's assistant built into Chrome that summarizes pages and compares open tabs; its auto browse agent is in US preview for Google AI Pro and Ultra.Personal AssistantsFreemium
ChatGPTchatgpt.comOpenAI's AI assistant. On paid plans its Mac app can record and summarize meetings, and any chat can transcribe uploaded audio into notes and follow up drafts.Personal AssistantsFreemiumHN 33
Raycastraycast.comMac and Windows launcher with built in AI chat, AI commands and hundreds of extensions for everyday workflows.Personal AssistantsFreemiumHN 5
Alfredalfredapp.comKeyboard launcher for macOS that finds apps, files and web results, with a one time Powerpack for clipboard history, snippets and no code workflows.Personal AssistantsFreemiumHN 1
Pipi.aiConversational assistant from Inflection designed to be a friendly, supportive thinking partner.Personal AssistantsFree