{
    "title": "Consensus Alternatives 2027: 11 Paid, Free & Open-Source",
    "url": "https://zekaiwork.com/alternatives/consensus/",
    "summary": "The best Consensus alternatives in 2027 are Elicit (best overall, $49/user/mo billed yearly), Semantic Scholar (best free plan: Free, no account needed) and PaperQA2 (best open source, Apache-2.0). Consensus itself has a free plan. Zekai checked these prices on vendor pages on 12 Nov 2026; 8 more are compared below, including 5 with a free plan and 2 open source.",
    "tool": {
        "name": "Consensus",
        "starting_price": "Free plan; paid price not published",
        "free_plan": "Unlimited searches; 10 Pro Analyses a month",
        "price_checked": "2026-11-12",
        "pricing_url": "https://consensus.app/pricing/"
    },
    "task": "AI academic research tool",
    "prices_checked": "2026-11-12",
    "date_modified": "2026-11-12",
    "alternatives": [
        {
            "name": "Elicit",
            "type": "Free plan + paid",
            "starting_price": "$49/user/mo billed yearly",
            "free_plan_limit": "Limited Research Agent and Reports usage; unlimited search, summaries, paper chat",
            "best_for": "Systematic reviews and data extraction",
            "difference": "Pro adds a dedicated systematic-review workflow that screens 5,000 papers and extracts into tables of 20 columns at a time; Consensus centres on single-question answers.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://elicit.com/pricing",
            "website": "https://elicit.com",
            "zekai_score": 7.9,
            "zekai_review": "https://zekaiwork.com/ai-tools/elicit/"
        },
        {
            "name": "SciSpace",
            "type": "Free plan + paid",
            "starting_price": "$12/mo billed yearly",
            "free_plan_limit": "Free tier not listed on the pricing page",
            "best_for": "All-in-one research and writing",
            "difference": "Premium bundles 1,200 monthly credits with Chat with PDF, AI Writer, Paraphraser, citation generator and an AI detector, so it covers writing as well as search.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://scispace.com/pricing",
            "website": "https://scispace.com",
            "zekai_score": 7.3,
            "zekai_review": "https://zekaiwork.com/ai-tools/scispace/"
        },
        {
            "name": "Scite",
            "type": "Paid",
            "starting_price": "$12/mo billed yearly",
            "free_plan_limit": "No free plan",
            "best_for": "Checking how papers cite each other",
            "difference": "Smart Citation reports classify citations as supporting, contrasting or mentioning, with citation alerts, collections up to 1,000 papers on Basic and a 7-day trial.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://scite.ai/pricing",
            "website": "https://scite.ai",
            "zekai_score": 9.2,
            "zekai_review": "https://zekaiwork.com/ai-tools/scite/"
        },
        {
            "name": "Undermind",
            "type": "Free plan + paid",
            "starting_price": "$16/mo billed annually",
            "free_plan_limit": "Standard rate limits on chats and searches; shared workspaces",
            "best_for": "Exhaustive niche literature search",
            "difference": "Runs a slow deep search that reads full-text PDFs (40 in the vendor example) per search and monitors for new publications; the vendor claims twice the relevant papers of AI web search.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://www.undermind.ai/pricing",
            "website": "https://www.undermind.ai"
        },
        {
            "name": "AnswerThis",
            "type": "Free plan + paid",
            "starting_price": "$14/mo billed yearly",
            "free_plan_limit": "10 lifetime basic questions; no card required",
            "best_for": "Budget systematic reviews with Zotero sync",
            "difference": "Pro includes 2 systematic reviews a month and Zotero and Mendeley sync; the free tier is capped at 10 lifetime basic questions.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://answerthis.io/pricing",
            "website": "https://answerthis.io",
            "zekai_score": 7.7,
            "zekai_review": "https://zekaiwork.com/ai-tools/answerthis/"
        },
        {
            "name": "Perplexity",
            "type": "Free",
            "starting_price": "Free plan; paid price not published",
            "free_plan_limit": "3 Pro Searches a day, 1 Research Query a month",
            "best_for": "Mixed web and academic questions",
            "difference": "Searches the open web as well as papers, so answers can cite news and reports; the free plan allows 3 Pro Searches a day.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://www.perplexity.ai/help-center/en/articles/11187416-which-perplexity-subscription-plan-is-right-for-you",
            "website": "https://www.perplexity.ai",
            "zekai_score": 9.3,
            "zekai_review": "https://zekaiwork.com/ai-tools/perplexity/"
        },
        {
            "name": "Semantic Scholar",
            "type": "Free",
            "starting_price": "Free plan; paid price not published",
            "free_plan_limit": "Free; account optional",
            "best_for": "Free paper search and API access",
            "difference": "Free, run by Ai2, with account optional; offers an Academic Graph API and datasets refreshed monthly, but no paid agent for full reports.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://www.semanticscholar.org/faq",
            "website": "https://www.semanticscholar.org",
            "zekai_score": 9.4,
            "zekai_review": "https://zekaiwork.com/ai-tools/semantic-scholar/"
        },
        {
            "name": "ResearchRabbit",
            "type": "Free plan + paid",
            "starting_price": "$10/mo",
            "free_plan_limit": "Unlimited searches and library; up to 50 seed articles",
            "best_for": "Citation-network mapping from seed papers",
            "difference": "Builds visual citation and author networks from seed papers (50 free, 300 on RR+) across 310M+ articles; it maps literature rather than answering questions.",
            "price_checked": "2026-11-12",
            "pricing_url": "https://www.researchrabbit.ai/pricing",
            "website": "https://www.researchrabbit.ai",
            "zekai_score": 8.9,
            "zekai_review": "https://zekaiwork.com/ai-tools/researchrabbit/"
        },
        {
            "name": "PaperQA2",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "Apache-2.0",
            "best_for": "Scripted cited answers over your PDFs",
            "difference": "Open-source Python library that answers questions with citations from a PDF collection you supply; it has no built-in index of papers or web interface.",
            "repository": "https://github.com/Future-House/paper-qa",
            "zekai_open_source_page": "https://zekaiwork.com/free-open-source/paper-qa/",
            "zekai_score": 7.8,
            "zekai_review": "https://zekaiwork.com/free-open-source/paper-qa/"
        },
        {
            "name": "STORM",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "MIT",
            "best_for": "Long cited overview articles",
            "difference": "Stanford system that researches a topic across the web and writes a full-length, Wikipedia-style article with citations; not a paper-by-paper evidence tool.",
            "repository": "https://github.com/stanford-oval/storm",
            "zekai_open_source_page": "https://zekaiwork.com/free-open-source/storm/",
            "zekai_score": 6.4,
            "zekai_review": "https://zekaiwork.com/free-open-source/storm/"
        },
        {
            "name": "Kotaemon",
            "type": "Open source",
            "starting_price": "Free (self-hosted)",
            "free_plan_limit": "No limit (self-hosted)",
            "licence": "Apache-2.0",
            "best_for": "Private chat with your own documents",
            "difference": "Open-source web UI for chatting with your uploaded documents, with Ollama local-model support; it does not search a published-paper index.",
            "repository": "https://github.com/Cinnamon/kotaemon",
            "zekai_open_source_page": "https://zekaiwork.com/free-open-source/kotaemon/",
            "zekai_score": 7.3,
            "zekai_review": "https://zekaiwork.com/free-open-source/kotaemon/"
        }
    ],
    "faq": [
        {
            "q": "What is the best alternative to Consensus in 2027?",
            "a": "Elicit is the best overall Consensus alternative on this page ($49/user/mo billed yearly). For no cost, Semantic Scholar has a free plan (Free; account optional). To self-host, PaperQA2 is open source (Apache-2.0)."
        },
        {
            "q": "Is there a free version of Consensus?",
            "a": "Yes. Consensus has a free plan: Unlimited searches; 10 Pro Analyses a month. Paid plans start at Free plan; paid price not published, checked on 12 Nov 2026."
        },
        {
            "q": "Is there a 100% free alternative to Consensus?",
            "a": "Yes. PaperQA2, STORM, Kotaemon are open source and free to self-host. Elicit, SciSpace, Undermind, AnswerThis, Perplexity, Semantic Scholar, ResearchRabbit have a free plan with limits, shown in the table."
        },
        {
            "q": "How much do Consensus alternatives cost for a team of 5?",
            "a": "If each of 5 people buys the entry paid plan, at the prices Zekai checked on 12 Nov 2026, the monthly cost is ResearchRabbit $50/mo, SciSpace $60/mo, Scite $60/mo. Team and business plans can cost more per seat. The Zekai Cost Finder on this page recalculates for any team size."
        },
        {
            "q": "Which is better, Elicit or Consensus?",
            "a": "Pro adds a dedicated systematic-review workflow that screens 5,000 papers and extracts into tables of 20 columns at a time; Consensus centres on single-question answers. Choose Elicit if you run systematic reviews and need data extraction into tables across thousands of screened papers. Stay with Consensus if your questions are quick yes/no or what-does-the-evidence-say lookups on one claim."
        },
        {
            "q": "Why are people leaving Consensus?",
            "a": "The documented reasons are: Consensus renamed Premium to Pro (unlimited Pro Searches plus 15 Deep Searches a month) and added a Deep tier with 200 Deep Searches a month (3 Sep 2025). Each is sourced in the section above."
        },
        {
            "q": "What is the best alternative to Consensus AI?",
            "a": "Elicit is the closest for evidence-based research, especially systematic reviews. Semantic Scholar is the free option, and PaperQA2 is the open-source pick for your own PDFs."
        }
    ],
    "publisher": "Zekai (zekaiwork.com) — independently reviewed; prices read on vendor pages on the dates shown.",
    "licence": "Free to quote with a link to https://zekaiwork.com/alternatives/consensus/. Bulk copying or republishing the dataset is not permitted."
}