Best Research Tools (2026)
4 research tools reviewed and scored. Find the best option for your needs.
Claude
Anthropic's safety-focused AI assistant with large context windows and strong reasoning
8.5
ai assistant
coding
writing
Starting atFree
Otter.ai
AI meeting assistant that transcribes conversations, generates summaries, and captures action items in real time
8.0
productivity
research
Starting atFree
Perplexity
AI-powered search engine that answers questions with cited, real-time sources
8.0
ai assistant
research
Starting atFree
ChatPDF
Chat with any PDF document using AI — instantly extract insights, summaries, and answers from files
7.5
research
productivity
Starting atFree