task2ai

Best AI tools to search for academic papers

Tool What it does Pricing Free tier Refunds
scite AI-powered platform that helps researchers discover and evaluate scientific literature through Smart Citations. From $20/mo No None stated
Semantic Scholar A free, AI-powered research tool for scientific literature. Free tier Yes —
Consensus An AI-powered search engine for scientific research that helps users find, understand, and synthesize scientific knowledge. Free tier; paid from $12/mo Yes —
Vicena AI research assistant that automates literature review, patent search, protocol building, and physics-grounded experimental simulation. Free tier Yes —
Thesify AI-powered academic writing assistant providing real-time feedback, citation assistance, and topic suggestions for students and researchers. Not stated on site No —

— means the vendor does not state it on the pages we read.

Cancellation & refund terms for scite

Screenshot of the scite homepage

AI-powered platform that helps researchers discover and evaluate scientific literature through Smart Citations.

Scite Search lets you match on citation statements extracted from the full text — surfacing relevant findings, methods, and claims

— scite.ai

Pricing, in their words: “Basic For individual researchers $20 / monthly” (pricing)

Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)

Limits the vendor states:

  • commercial use of classifier results

A free, AI-powered research tool for scientific literature.

Search over 214 million papers from all fields of science

— semanticscholar.org

Pricing, in their words: “Semantic Scholar is a free, AI-powered research tool for scientific literature”

No usage limits stated on the pages we read.

An AI-powered search engine for scientific research that helps users find, understand, and synthesize scientific knowledge.

Consensus helps me gather real, peer-reviewed sources.

— consensus.app

Pricing, in their words: “$12/mo $144 annually” (pricing)

No usage limits stated on the pages we read.

Screenshot of the Vicena homepage

AI research assistant that automates literature review, patent search, protocol building, and physics-grounded experimental simulation.

Search PubMed, arXiv, and Google Scholar in plain language.

— vicena.ai

Pricing, in their words: “All Major AI models in one scientific subscription.” (pricing)

Limits the vendor states:

  • Direct Workspace-to-Computer file transfer
Screenshot of the Thesify homepage

AI-powered academic writing assistant providing real-time feedback, citation assistance, and topic suggestions for students and researchers.

Source: thesify.ai

Pricing, in their words: “Reviewer Pre-submission feedback €6.25 /month Billed €75/year” (pricing)

Subscription terms they state: cancel in-app · auto-renews (source)

Limits the vendor states:

  • cannot write papers for users

FAQ

Is there a free tool to search for academic papers?

Yes — Semantic Scholar, Consensus, Vicena offer a free tier.

What is the cheapest paid option to search for academic papers?

Consensus starts at $12/month.

Which of these have an API?

scite, Semantic Scholar document a developer API.

How do I cancel these subscriptions?

scite: cancel in-app; Thesify: cancel in-app. Semantic Scholar, Consensus, Vicena do not state a cancellation route on the pages we read.

Can I get a refund?

scite states it does not offer refunds. The others (Semantic Scholar, Consensus, Vicena, Thesify) do not state a refund policy on the pages we read.

Do these subscriptions auto-renew?

scite, Thesify state that paid plans renew automatically. Check the billing page before subscribing; the rest do not state it either way.

Sources

Every fact above was read from the vendors' own pages: