Claude
Anthropic's assistant, used for reading long papers and transcripts, comparing documents and writing analysis code.
- Free plan or free tier
- Developer API
- Shows sources for its answers
OpenAI's assistant, used by researchers for reading uploaded papers, writing and checking code, and a deep research mode with cited reports.
Not enough info yet on open source, works in Word or Google Docs. Check the tool's own site.
Listing written by ResearchBest, checked 2026-11-03. Report a correction or request removal. Back to general ai assistants for research.