Free AI Tools for Research

Webhound is an autonomous deep research engine that scales with budget, delivering sourced answers with evidence traces.

AXIOM is a bootable Rust kernel that optimizes transformer inference by replacing generic OS abstractions with inference-specific primitives.

Dr.Oracle is a medical AI assistant that answers clinical questions with guideline-based explanations, citations, and research support.

fast.ai is an education and research site focused on practical deep learning, AI literacy, and thoughtful commentary on how AI affects society.

Capacities is a personal knowledge workspace that organizes notes as connected objects instead of folders.

Ninja AI is an all-in-one AI agent platform for research, writing, coding, image generation, and other productivity tasks.

MuleRun is an always-on AI agent platform that completes multi-step work on a dedicated computer instead of just chatting.

GitMind is an AI workspace that turns text, audio, video, PDFs, websites, and images into mind maps, summaries, and diagrams.

Exa is a web search API and AI search engine for agents, offering crawling, research, and structured web retrieval.

Merlin is an AI assistant platform with a Chrome extension and web app for chatting, searching, summarizing, writing, coding, and creating content.

Webhound is an autonomous deep research engine that scales with budget, delivering sourced answers with evidence traces.

AXIOM is a bootable Rust kernel that optimizes transformer inference by replacing generic OS abstractions with inference-specific primitives.

Dr.Oracle is a medical AI assistant that answers clinical questions with guideline-based explanations, citations, and research support.

fast.ai is an education and research site focused on practical deep learning, AI literacy, and thoughtful commentary on how AI affects society.

Capacities is a personal knowledge workspace that organizes notes as connected objects instead of folders.

Ninja AI is an all-in-one AI agent platform for research, writing, coding, image generation, and other productivity tasks.

AI Fiesta is a paid multi-model chat platform that compares responses from top AI models in one window.

MuleRun is an always-on AI agent platform that completes multi-step work on a dedicated computer instead of just chatting.

GitMind is an AI workspace that turns text, audio, video, PDFs, websites, and images into mind maps, summaries, and diagrams.

Exa is a web search API and AI search engine for agents, offering crawling, research, and structured web retrieval.

Scite helps researchers search scholarly literature and evaluate claims with supporting, contrasting, and contextual citations.

Merlin is an AI assistant platform with a Chrome extension and web app for chatting, searching, summarizing, writing, coding, and creating content.

Zhipu Qingyan is an AI chatbot and agent platform for chatting, research, presentations, and data analysis.

Metaso AI Search is a Chinese AI search engine that delivers ad-free results, research, file upload, fact checking, and interactive web tools.

Felo is a free multilingual AI search and creation platform for searching, understanding, and generating content from documents and the web.