Browse freemium AI fact checking tools curated for researchers. Compare features and pricing.
AI-powered answer engine with real-time web search and citations.
AI-powered search and chat assistant with multi-model access.
AI search engine optimized for developers and technical questions.
AI research assistant for systematic literature review and synthesis.
AI search engine for scientific research with evidence-based answers.
Smart citations platform that shows how a paper was supported or disputed.
AI research platform for reading, understanding and writing papers.
Visual graph tool for finding related academic papers.
AI tool that summarizes research papers into flashcards.
Computational knowledge engine for math, science, and data.
AI assistant built into the Brave browser for private search and chat.
AI answer engine inside Kagi's paid search service.