The best free AI search and answer engines (13)

Every option in the catalog for when you need to ask the open web a question and get cited answers — 13 AI search and answer engines, 12 of them free or freemium, with the pricing tier printed on every row.

13tools listed
12free or freemium
3with no paid plan at all
1sub-categories covered

Best Free AI search and answer engines — straight answers

What are the best free AI search and answer engines?

Flocci AI Tools lists 13 of them, ordered free tiers first: Morphic, Perplexica, Scira, ChatGPT Search and Exa. 12 of the 13 are free or have a free tier. Each entry states what it uniquely does rather than a score.

Which of these are completely free?

3 on this page are marked fully free with no paid plan at all: Morphic, Perplexica and Scira. The remaining 10 are freemium, trial or paid, and each is labelled with its exact tier so nothing surprises you at sign-up.

How is this list ordered?

Free tools first, then freemium, then trial, then paid, and alphabetically inside each tier. Nobody pays to appear higher: Flocci AI Tools carries no ads, no sponsored slots and no paid listings, so the order reflects price and nothing else.

All 13 tools, free tiers first

Browse AI Search & Answer Engines →
Best Free AI search and answer engines: pricing tier, category and the capability each tool is listed for.
ToolPricingTypeListed for
MorphicFreeAI Search & Answer EnginesOpen-source, Apache 2.0, self-hostable generative-UI search engine
PerplexicaFreeAI Search & Answer EnginesMIT-licensed, fully self-hostable open-source Perplexity clone
SciraFreeAI Search & Answer EnginesFree, no credit card required
ChatGPT SearchFreemiumAI Search & Answer EnginesReal-time web answers inside ChatGPT
ExaFreemiumAI Search & Answer EnginesSearch API built specifically for AI agents/LLMs, not humans
FeloFreemiumAI Search & Answer EnginesFree multilingual AI search & creation platform
Grok DeeperSearchFreemiumAI Search & Answer EnginesLive search across X and the open web
iAsk.aiFreemiumAI Search & Answer EnginesFree AI answer engine aimed at students/researchers
KomoFreemiumAI Search & Answer EnginesFast, ad-free AI search
ParallelFreemiumAI Search & Answer EnginesRecurring monthly free allowance of several thousand requests
PerplexityFreemiumAI Search & Answer EnginesCited, real-time answers (1B+ queries/quarter)
TavilyFreemiumAI Search & Answer Engines1,000 free API credits/month, no card required
Kagi AssistantTrialAI Search & Answer EnginesBundled with Kagi's paid ad-free search subscription

Morphic

AI Search & Answer Engines
free
  • Open-source, Apache 2.0, self-hostable generative-UI search engine
  • 9k+ GitHub stars, actively maintained
  • Pluggable model (OpenAI/Anthropic/Gemini/Ollama) and search backends (Tavily/Brave/Exa)

Perplexica

AI Search & Answer Engines
free
  • MIT-licensed, fully self-hostable open-source Perplexity clone
  • Runs with local LLMs via Ollama or cloud providers
  • Uses SearxNG for private, ad-free web search

Scira

AI Search & Answer Engines
free
  • Free, no credit card required
  • Open-source (git.new/scira)
  • Multi-mode search: web, Reddit, academic papers, video, fact-check

ChatGPT Search

AI Search & Answer Engines
freemium
  • Real-time web answers inside ChatGPT
  • Inline citations and follow-ups
  • Combines search with reasoning
  • Available on the free tier

Exa

AI Search & Answer Engines
freemium
  • Search API built specifically for AI agents/LLMs, not humans
  • Indexes 80B+ documents, sub-180ms answers
  • Structured JSON extraction across companies/code/docs

Felo

AI Search & Answer Engines
freemium
  • Free multilingual AI search & creation platform
  • Combines search with document/content creation tools
  • Strong traction in Japan/Asia markets

Grok DeeperSearch

AI Search & Answer Engines
freemium
  • Live search across X and the open web
  • Best for breaking news and trends
  • Reasoned, sourced summaries
  • Free daily queries

iAsk.ai

AI Search & Answer Engines
freemium
  • Free AI answer engine aimed at students/researchers
  • Cited, checkable sources with no data storage claim
  • Built-in AI video tutor and PDF/document analysis

Komo

AI Search & Answer Engines
freemium
  • Fast, ad-free AI search
  • Explore, chat and research modes
  • Privacy-oriented
  • Free to use

Parallel

AI Search & Answer Engines
freemium
  • Recurring monthly free allowance of several thousand requests
  • Deep research + entity monitoring with webhooks
  • Confidence-scored 'Basis' source verification framework

Perplexity

AI Search & Answer Engines
freemium
  • Cited, real-time answers (1B+ queries/quarter)
  • Focus modes and file uploads
  • Comet browser and Spaces
  • Strong free tier

Tavily

AI Search & Answer Engines
freemium
  • 1,000 free API credits/month, no card required
  • Search + Extract + Research + Crawl + Map endpoints
  • 300M+ monthly requests, 2M+ developers

Kagi Assistant

AI Search & Answer Engines
trial
  • Bundled with Kagi's paid ad-free search subscription
  • Lets users pick underlying model (Claude, GPT, Gemini)
  • Deep research/thread mode with citations

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