12 vetted picks for ai research assistant with api, ranked by the ToolHund Score. Updated for 2026.
Developers already living in IntelliJ, PyCharm, WebStorm and Rider.
Grounding a Gemini-powered assistant in your own docs, PDFs and slides.
Researchers, students, and teams doing literature reviews or evidence synthesis.
Daily research, writing drafts, brainstorming and code help in one chat.
Replacing Google when you need a sourced answer, not 10 blue links.
People navigating asylum, refugee and immigration processes step by step with AI help.
Developers who want strong reasoning, refactoring, and codebase-aware assistance.
People who live in Gmail, Docs, and YouTube and want AI built into their daily workflow.
Content teams writing articles that need to rank on Google.
Lawyers needing trustworthy citation-grounded research.
Retail investors who want institutional research without the price.
Researchers and journalists who need evidence-backed answers from peer-reviewed papers.
Our top-ranked pick is at the top of the list above. Rankings use the ToolHund Score — a blend of features, pricing fit, community sentiment and shipping cadence. Vendors can't pay to move up.
Yes — where a free tier exists it's flagged on each tool card. Sort or filter by pricing on the category page to see only free and freemium options.
We re-check every listed tool at least monthly, and immediately when a tool ships a major pricing or feature change.
Sponsored tools are always labelled and never mixed into unpaid rankings. Read the disclosure and methodology pages for details.