Answer Engines
Explore 8 options alongside iAsk (iAsk.Ai), a product in Answer Engines.
Candidates share an existing guide group, a comparison, or specific tags within the same category. This shortlist is not a ranking or a test result.
Listed together in guide “AI answer engines”
Conversational AI search engine that answers questions and summarizes pages instead of showing ad-driven links.
Free
Pricing: Andi is free to use, with no advertising.
This record was last reviewed on 2026-09-10.
Listed together in guide “Research Q&A with verifiable sources”
Multilingual AI search engine that generates sourced answers and mind-map style summaries.
Freemium
Pricing: Felo is free for a limited number of daily advanced searches; the Pro plan unlocks more searches and premium models.
This record was last reviewed on 2026-09-10.
Listed together in guide “Research Q&A with verifiable sources”
AI workspace that grew out of an answer engine, offering agents and tools for research, presentations, documents, and task automation.
Freemium
Pricing: Prices are published in USD on Genspark's help centre: Free $0 with 100 credits per day (up to a lifetime allowance) and 1 GB of AI Drive storage; Plus $24.99/month, or $19.99/month billed annually at $239.99/year (from 10,000 monthly credits, 50 GB); Pro $249.99/month, or $199.99/month billed annually at $2,399.99/year (from 125,000 monthly credits, 1 TB); Team $35 per seat/month (10,000 credits per seat/month); Enterprise custom. Annual figures are the monthly equivalent when billed yearly, not a month-to-month rate. Benefits are stated as valid through 30 June 2027.
This record was last reviewed on 2026-10-13.
Listed together in guide “AI answer engines”
Neural web search API built for AI applications, returning meaning-based results and page content.
Paid
Pricing: Pricing is usage-based per search and content request; new developers receive free credits.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Listed together in guide “Research Q&A with verifiable sources”
AI answer engine that combines web search with cited, conversational answers.
Freemium
Pricing: A free tier is available; Perplexity Pro adds more Deep Research queries, frontier model choice, and file limits.
This record was last reviewed on 2026-10-09.
Listed together in guide “Research Q&A with verifiable sources”
Web search and research APIs for AI applications, after a pivot from consumer AI search to an API-first data layer.
Freemium
Pricing: You.com offers free credits for new API keys and usage-based pricing for its search APIs; enterprise plans add custom QPS limits and zero data retention.
Pricing ↗ · Documentation ↗ · Sources
This record was last reviewed on 2026-10-10.
Related: shares the task Research with citations, Search
AI answer engine that finds and summarizes findings from peer-reviewed scientific research papers.
Freemium
Pricing: A free tier is available; paid plans add unlimited searches and advanced analysis features.
This record was last reviewed on 2026-09-10.
Related: shares the task Research with citations, Search
Berlin-based search engine that pairs web search with AI overviews, an AI chat, and an option to turn AI off.
Free
Pricing: Ecosia does not publish paid plans; the company states that it uses 100% of its profits for climate action and publishes monthly financial reports.
This record was last reviewed on 2026-09-10.