A browser where the assistant reads every tab and acts inside them.
Comet rebuilds the browser around an agent that already has your open tabs as context — compare, summarise, fill, buy, unsubscribe. The most convincing argument yet that the browser, not the chat window, is where AI belongs.
Best for
Recommended workflow
Step 1
Import your existing browser profile
Step 2
Ask across open tabs
Step 3
Save recurring tasks as shortcuts
Perplexity
The answer engine — where AI-first searchers actually research.
You.com
Multi-agent research engine — runs many models per query.
Exa
Neural search API — feed agents better-than-Google links.
Turns your documents, PDFs, videos, websites, and notes into a personalized AI expert.
Pinecone
The vector database most companies use to power AI search and RAG.