# AnswerThis

> AI literature review assistant with a library and writer

AnswerThis is an AI research assistant built around literature reviews. It searches a database the site puts at more than 300 million papers and sources, answers questions with citations that link to the exact passage, and keeps saved papers in a library that syncs with Zotero and Mendeley. An AI Writer drafts documents with citations in more than 2,000 styles, and higher plans add a systematic review pipeline with screening, data extraction and PRISMA reporting.

- **Category:** AI Research Tools
- **Made by:** AnswerThis
- **Website:** https://answerthis.io
- **Runs on:** Web
- **Facts last checked:** Oct 5, 2026

## Pricing

AnswerThis has a free plan. Paid plans start at $14 per month, billed yearly ($35 billed monthly).

- **Pricing model:** Free plan
- **Free plan:** Search across 250M+ papers with cited answers and summaries, 5 saved projects and export to Zotero, Mendeley and EndNote. No card required.
- **Free trial:** None listed.

| Plan | Price | What you get |
| --- | --- | --- |
| Free | $0 | Search across 250M+ papers with cited answers and summaries, 5 saved projects and export to Zotero, Mendeley and EndNote. |
| Pro | $14 per month, billed yearly ($168); $35 billed monthly | Unlimited basic queries, 10 Max queries and 2 systematic reviews a month, unlimited library storage and the AI Writer on standard models. |
| Research | $30 per month, billed yearly ($360) | Unlimited systematic reviews, 50 Max queries a month on advanced research models, full-text AI screening and an onboarding call. |
| Max | $100 per month, billed yearly ($1,200) | 300 Max queries a month on frontier models, unlimited systematic reviews and library, and priority support. |

Read from https://app.answerthis.io/pricing on Oct 5, 2026. Prices change, so confirm with AnswerThis before buying.

## Ways to pay less

- **Save 60% with annual billing** (Annual discount): The in-app pricing page labels annual billing as saving 60%. Pro is $14 a month billed yearly ($168 up front) against $35 a month billed monthly. Source: https://app.answerthis.io/pricing

## Key features

- **Cited search and chat:** Ask a question or paste a protocol, then filter by database, journal quality, date and study type. Each answer carries clickable citations that jump to the passage they rely on.
- **Library:** Collections, tags, highlights and full-text search across the papers you save or upload, with sync to Zotero and Mendeley.
- **AI Writer:** Import a draft or start a new one, cite from the library in one click, check for AI-written or plagiarized text and switch between more than 2,000 citation styles.
- **Systematic review pipeline:** Screening, data extraction, meta-analysis and evidence grading run in one workflow with each change logged. The site describes it as PRISMA and Cochrane compliant.
- **Shared workspaces:** Co-authors can be invited into a shared workspace to suggest changes, with roles and permissions set by the owner.
- **Research gaps and citation maps:** Separate tools look for research gaps, map citations, run bibliometric analysis and draw diagrams from the literature.

## Good for

- Graduate students writing a literature review for a thesis
- Clinical and medical teams running systematic reviews
- Researchers who keep their references in Zotero or Mendeley
- Writers who want search, library and drafting in one tab

## Worth knowing

- Pro includes 10 Max queries and 2 systematic reviews a month; unlimited systematic reviews start on Research.
- The marketing pricing page and the in-app pricing page disagree on tier names and limits; the plans here follow the in-app page.
- The marketing page also lists separate Industry plans at higher prices, starting at $90 per seat a month billed monthly.
- Only a web app is listed; the site mentions no mobile or desktop apps.

## Works with

Zotero, Mendeley, EndNote, PubMed, Embase, Cochrane

**Tags:** Research, AI search, Citations, AI agents, Long-form writing

## Alternatives

- [Elicit](https://toolgpa.com/tools/elicit): AI research assistant for literature search and systematic reviews. [Compare](https://toolgpa.com/compare/answerthis-vs-elicit)
- [SciSpace](https://toolgpa.com/tools/scispace): AI research platform for literature review and reading papers. [Compare](https://toolgpa.com/compare/answerthis-vs-scispace)
- [Consensus](https://toolgpa.com/tools/consensus): AI search engine that answers questions from peer-reviewed papers. [Compare](https://toolgpa.com/compare/answerthis-vs-consensus)
- [Paperguide](https://toolgpa.com/tools/paperguide): AI research platform for literature and systematic reviews. [Compare](https://toolgpa.com/compare/answerthis-vs-paperguide)
- [Undermind](https://toolgpa.com/tools/undermind): AI literature search agent that reads hundreds of papers. [Compare](https://toolgpa.com/compare/answerthis-vs-undermind)

## Sources

The prices, plans, platforms and features above were read from these pages on Oct 5, 2026:

- https://app.answerthis.io/pricing
- https://answerthis.io/our-pricing
- https://answerthis.io
- https://answerthis.io/terms

Page: https://toolgpa.com/tools/answerthis
Listed by ToolGPA (toolgpa.com).