Best AI Research Assistants in 2026

Google Gemini

Google AI assistant for search-connected research, writing, and multimodal work.

Perplexity

AI answer engine for research, sources, and web-connected answers.

Grok

xAI chatbot for real-time style answers, reasoning, and general AI assistance.

You.com

AI search and chatbot platform for research and answer workflows.

Kimi

Long-context AI assistant for chat, documents, and research workflows.

Glean

Enterprise AI search and knowledge assistant.

Hebbia

AI research platform for financial, legal, and knowledge work.

AlphaSense

Market intelligence and financial research platform with AI search.

Glasp

Web highlighter and AI summary tool for research workflows.