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    Overview
    ProductRatingMost Used ByProduct SummaryStarting Price

    Apache Lucene

    Score10 out of 10
    N/AApache Lucene is an open source and free text search engine library written in Java. It is a technology suitable for applications that requires full-text search, and is available cross-platform.

    $0

    per month

    Perplexity

    Score8.7 out of 10
    N/APerplexity Enterprise is an enterprise research and knowledge platform that combines web research, internal knowledge search, multiple AI models, and agentic task execution. Employees can use it to find cited information on the public web, ask questions across connected company content, analyze files, conduct multi-step research, and create work products from a governed workspace.

    $20

    per month

    Pricing
    Apache LucenePerplexity
    Editions & Modules
    No answers on this topic
    No answers on this topic
    Offerings
    Pricing Offerings
    Apache LucenePerplexity
    Free Trial
    NoNo
    Free/Freemium Version
    YesYes
    Premium Consulting/Integration Services
    NoNo
    Entry-level Setup FeeNo setup feeNo setup fee
    Additional DetailsA free and open source product.—
    More Pricing Information
    Community Pulse
    Apache LucenePerplexity
    Considered Both Products
    Apache
    No answer on this topic
    Perplexity AI, Inc.
    No answer on this topic
    Key User Insights
    Would buy again
    No answers on this topic
    86%
    Would buy again
    6 Answers
    Delivers good value for the price
    No answers on this topic
    100%
    Delivers good value for the price
    6 Answers
    Happy with the feature set
    No answers on this topic
    100%
    Happy with the feature set
    7 Answers
    Lived up to sales and marketing promises
    No answers on this topic
    100%
    Lived up to sales and marketing promises
    5 Answers
    Implementation went as expected
    No answers on this topic
    100%
    Implementation went as expected
    6 Answers
    Best Alternatives
    Apache LucenePerplexity
    Small Businesses
    Elasticsearch
    Score8.3 out of 10
    Elasticsearch
    Score8.3 out of 10
    Medium-sized Companies
    Elasticsearch
    Score8.3 out of 10
    Elasticsearch
    Score8.3 out of 10
    Enterprises
    Amazon CloudSearch
    Score8.5 out of 10
    Amazon CloudSearch
    Score8.5 out of 10
    All AlternativesView all alternativesView all alternatives
    User Ratings
    Apache LucenePerplexity
    Likelihood to Recommend
    10.0
    (3 ratings)
    9.0
    (7 ratings)
    Usability
    -
    (0 ratings)
    8.5
    (7 ratings)
    User Testimonials
    Apache LucenePerplexity
    Likelihood to Recommend
    Apache
    Apache Lucene is a perfect text search implementation where the heap space usage needs to be kept to its minimal. It also enables search based on various search fields and most importantly the search and index process can happen simultaneously. The only scenario where it might be less appropriate would be when the index size grows too big. We have witnessed few scalable issues where the search would take a while when the index size is too large.
    Incentivized
    Read full review
    Perplexity AI, Inc.
    Perplexity is helpful when you want auto-code generation for day-to-day problem scenarios such as Powershell script to accomplish a task, Code to invoke a REST API, Class generation from JSON/XML data, etc. It is also helpful when you want to correct or optimize code that you have self-written. Perplexity might not be best suited for scenarios when you need 100% accuracy without your self-verification of correctness.
    Incentivized
    Read full review
    Pros
    Apache
    • We found Apache Lucene to be extremely performant in querying large amounts of data and retrieving the correct files based on the metadata provided.
    • The online community offers great support for the product. Even though it is an open source tool, it is not difficult to find help online for it.
    • When we were creating a proof of concept application, we found that the software worked just as well, while being run locally on a resource-limited PC.
    Incentivized
    Read full review
    Perplexity AI, Inc.
    • Research the company that my prospects work for.
    • Research background on my prospects.
    • Combine those two and come up with about one page on how to approach them based on the space (persona) I created.
    Incentivized
    Read full review
    Cons
    Apache
    • User interface for setup and maintenance would be helpful.
    • Easier cloud/cluster setup.
    • Better, centralized documentation.
    Incentivized
    Read full review
    Perplexity AI, Inc.
    • Image generation is not upto mark
    • Data analysis for excel is way off
    • Getting insights on data not available online is hard
    • Need to embed like copilot in assisting day to day activities
    Incentivized
    Read full review
    Usability
    Apache
    No answers on this topic
    Perplexity AI, Inc.
    It's great, but doesn't necessarily feel like it adds enough value over using CoPilot, ChatGPT, or whichever generative AI tool your business already uses. Time will tell if this model continues to be developed, and whether it remains competitive with the other big models out in the industry, and innovating features and integrating more use cases fast.
    Incentivized
    Read full review
    Alternatives Considered
    Apache
    The search and index performance of [Apache] Lucene is excellent and the quality of results is good, if not better. For implementing it with small scale applications it is a no brainer, Lucene is the best and most cost effective solution. Learning curve is not too steep either.
    Incentivized
    Read full review
    Perplexity AI, Inc.
    I use all three at present, Perplexity IS outstanding when It comes to researching, like a search engine on steroids. If you need programming skills Claude or Chatgpt seem better suited for the task. What I normally do in a project IS use all three in order to arrive at a more insightful outcome. The BEST of all world.
    Read full review
    Return on Investment
    Apache
    • Being an open source project we did not have to pay any licensing fees for using Apache Lucene. It has greatly improved our search functionality in our web apps.
    Incentivized
    Read full review
    Perplexity AI, Inc.
    • Increases efficiency
    • Saves costs (e.g. for creation of creative content)
    • Frees up time that can be used for other productive actions
    Incentivized
    Read full review
    ScreenShots

    Apache Lucene Screenshots

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