Anthropic's AI assistant known for thoughtful long-form writing, coding, and analysis of large documents. Free tier available; paid plans unlock higher limits and the most capable models.
FreemiumFree planAPIGeneral-purpose
Top match
You should try Claude because it’s built specifically for deep research and long-form writing, which matches exactly what you’re working on. The free tier is a great way to start, though you’ll hit a daily message cap that can feel tight for lengthy documents. If you find yourself regularly analyzing big files or running out of messages, upgrading will give you the room to work without interruptions.
Specialized research & long-form writing tools
A general assistant can do this, but these are built specifically for it — often with better results.
Free AI tool that summarizes text, PDFs, Word docs, PPTs, and videos using NLP, with a free tier of 30 credits and support for 50+ languages.
FreeOpen-source AI tool for screening and labeling literature.
Free
Also worth a look
Google's AI assistant built into Search, Gmail, and Docs, with a standalone chat app for writing, research, and image generation. Generous free tier with a Google account.
FreemiumFree planAPIGeneral-purposeAI answer engine that searches the web and responds with cited sources — a research-first alternative to traditional search. Free tier includes standard searches; Pro unlocks advanced models.
FreemiumFree planAPIGeneral-purpose
