Editorial suggestion — not a checked fact
Web search and research APIs for AI applications, after a pivot from consumer AI search to an API-first data layer.
Freemium
Use cases
- Developers adding grounded web search to AI apps
- Enterprise AI agents with sourced answers
- Research with cited results
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.
Listed together in guide “AI answer engines”
AI workspace that grew out of an answer engine, offering agents and tools for research, presentations, documents, and task automation.
Freemium
Use cases
- Producing slide decks and reports from a prompt
- Deep research with sourced summaries
- Automating multi-step web tasks
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.
Pricing ↗ · Sources
This record was last reviewed on 2026-10-13.
Listed together in guide “AI answer engines”
Berlin-based search engine that pairs web search with AI overviews, an AI chat, and an option to turn AI off.
Free
Use cases
- Everyday searches that return AI overviews with sources
- Asking questions conversationally through Ecosia Chat
- Switching to AI-free search for conventional results
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.
Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “AI answer engines”
Multilingual AI search engine that generates sourced answers and mind-map style summaries.
Freemium
Use cases
- Researching topics across language barriers
- Turning search findings into structured mind maps
- Drafting slide outlines from web research
Pricing: Felo is free for a limited number of daily advanced searches; the Pro plan unlocks more searches and premium models.
Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “Research Q&A with verifiable sources”
AI search engine that returns direct, sourced answers to natural-language questions.
Free
Use cases
- Quick factual lookups with source citations
- Academic-oriented research questions
- Everyday search without ads
Pricing: iAsk.Ai is free for standard use; the Pro subscription unlocks premium models, unlimited usage, and extra tools.
Documentation ↗ · Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “AI answer engines”
South Korean search portal whose service includes AI Briefing summaries and the AI Tab conversational search interface.
Free
Use cases
- Scanning condensed summaries of search results with AI Briefing
- Continuing a search as a conversation after reading AI Briefing results
- Moving from a query to a product, place, or reservation inside search
Pricing: Naver does not publish separate pricing for AI Tab; the feature is available to all users within its search service.
Sources
This record was last reviewed on 2026-09-10.
Listed together in guide “AI answer engines”
Alibaba's AI search and assistant app, which uses the company's Qwen models and combines web search, AI tools, and cloud storage.
Freemium
Use cases
- Web searching with AI summaries
- Creating documents and presentations with AI tools
- Storing and transferring files across devices
Pricing: Quark is free to download, and its App Store listing shows in-app purchases.
Documentation ↗ · Sources
This record was last reviewed on 2026-10-09.
Listed together in guide “AI answer engines”
French privacy-focused search engine that adds AI-generated answers and one-click web page summaries.
Free
Use cases
- Getting short, precise answers to everyday searches
- Summarizing a web page with one click
- Searching without stored history or data resale
Pricing: Qwant's AI answers and page summaries are described as free and unlimited once a user creates a Qwant account.
Sources
This record was last reviewed on 2026-09-10.