Grok
Conversational assistant from xAI with a deliberately less filtered personality and live grounding in the X (Twitter) firehose.
AI ChatbotsFreemiumCategory
AI Search Engines
Find answers and explore the sources behind them.
What to look for
Evaluate source quality, freshness, citation accuracy, and access to original material.
Explore ai search engines
6 toolsPerplexity
AI answer engine that runs a live web search for every question and returns a synthesised answer with inline citations.
AI Search EnginesFreemiumAndi
Small independent, privacy-first AI search engine that answers conversationally and strips ads, trackers and clutter from results.
AI Search EnginesFree accessGenspark
Agentic search product that generates custom 'Sparkpages' - purpose-built summary pages assembled for your query - and runs multi-step agents including an AI phone caller, slide generator and deep research agent.
AI Search EnginesFreemiumFelo
Multilingual AI search engine built around cross-language retrieval - it searches in several languages simultaneously and returns a unified, cited answer, then can turn that answer into a mind map or presentation.
AI Search EnginesFreemiumKagi Assistant
AI assistant built into Kagi, a paid ad-free search engine.
AI Search EnginesSubscriptionHow to choose: AI Search Engines
Every tool in this category can do the basics. The differences that matter show up in these areas:
- Source quality
- Freshness
- Citation accuracy
- Access to original material
Use the table below to shortlist, then open the full profile to read features, limitations and sources.
AI Search Engines compared
| Tool | Best for | Pricing model | Free plan | API |
|---|---|---|---|---|
| Grok | Real-time awareness of what is being said on X right now. | Freemium | Yes | Yes |
| Perplexity | Any question where you need the answer AND the sources it came from. | Freemium | Yes | Yes |
| Andi | Private, ad-free everyday search with clean reading. | Free access | Yes | No |
| Genspark | Research questions where you want an assembled page plus an agent that can act on the result. | Freemium | Yes | Not verified |
| Felo | Research that spans languages - especially Asian-language sources. | Freemium | Yes | Not verified |
| Kagi Assistant | Professionals who want ad-free, user-controlled search with an assistant attached. | Subscription | No | Yes |
Strengths and tradeoffs
AI Search Engines: common questions
What should I compare when choosing ai search engines?
Evaluate source quality, freshness, citation accuracy, and access to original material. These points matter more than headline features because they decide whether a tool fits your actual workflow.
Which ai search engines have a free plan?
In this directory, 5 of 6 listed tools have a free plan: Grok, Perplexity, Andi, Genspark, Felo. Free plans have limits, so check each profile before relying on one.
How many ai search engines are listed?
6 tools are listed in this category: Grok, Perplexity, Andi, Genspark, Felo, Kagi Assistant.