Apache Solr vs Guru

Apache Solr8.5Visit Guru7.7Visit

Higher score Apache Solr #4 in Enterprise Search Software 8.5/10 Free plan Free plan✓ 0 of 3 features Visit Apache Solr

vs

Guru #8 in Enterprise Search Software 7.7/10 Pricing on request ✓ 0 of 3 features Visit Guru

• Apache Solr fits best

  Teams wanting open-source, self-hosted search

• Guru fits best

  Teams combining enterprise search with maintained knowledge

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Side by side

Feature	Apache Solr 8.5/10 Visit ↗	Guru 7.7/10 Visit ↗
At a glance
Editor score	8.5	7.7
Ranking	#4 in Enterprise Search Software	#8 in Enterprise Search Software
Best for	Teams wanting open-source, self-hosted search	Teams combining enterprise search with maintained knowledge
Pricing model	Free	Paid
Starting price	Free plan	Pricing on request
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Self-hosted	Cloud, Browser extension
Platforms	Windows, macOS, Linux	Web, Chrome extension
Support	Email, Community, Docs	Email, Live chat, Tickets, Docs · 24/7
Built for	Solo, Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Apache Solr 0/3 · Guru 0/3
AI search	Not checked yet	Not checked yet
Permission sync	Not checked yet	Not checked yet
API access	Not checked yet	Not checked yet
Specs
Data connectors	Not checked yet	Not checked yet
Deployment	Not checked yet	Not checked yet
Indexed languages	Not checked yet	Not checked yet
Our review
Pros	Configurable full-text, faceted, vector, and geospatial search Distributed indexing with sharding, replication, and fault tolerance HTTP APIs, client integrations, administration interface, and metrics	Permission-aware search across connected workplace sources AI Knowledge Agents provide sourced answers and knowledge-work support Review, verification, revision history, and analytics for maintained content
Cons	Self-hosted deployment requires your team to manage infrastructure Enterprise connector coverage is narrower than some packaged alternatives Configuration depth can demand dedicated developer and operations effort	Pricing is packaged through sales rather than published plan prices Public Cards functionality ended in December 2025 Primarily targets internal knowledge management rather than broad external publishing
Our verdict	Apache Solr is an open-source search server built on Apache Lucene. It is designed for developers and organizations building search, discovery, analytics, and content-navigation systems across structured and unstructured content. Solr runs… Read the review →	Guru is a cloud knowledge management platform for mid-market and enterprise teams that need search and maintained workplace information together. It centralizes content from company systems, supports Card and Page authoring, and delivers… Read the review →

Strengths and trade-offs

• Apache Solr — where it wins

  • Configurable full-text, faceted, vector, and geospatial search
  • Distributed indexing with sharding, replication, and fault tolerance
  • HTTP APIs, client integrations, administration interface, and metrics

  Where it doesn't

  • Self-hosted deployment requires your team to manage infrastructure
  • Enterprise connector coverage is narrower than some packaged alternatives
  • Configuration depth can demand dedicated developer and operations effort

• Guru — where it wins

  • Permission-aware search across connected workplace sources
  • AI Knowledge Agents provide sourced answers and knowledge-work support
  • Review, verification, revision history, and analytics for maintained content

  Where it doesn't

  • Pricing is packaged through sales rather than published plan prices
  • Public Cards functionality ended in December 2025
  • Primarily targets internal knowledge management rather than broad external publishing

• Apache Solr8.5/10 · Free plan

  A configurable, self-hosted search server for teams that want open-source control.

  Visit Apache SolrFull verdict →
• Guru7.7/10 · Pricing on request

  Permission-aware search and AI answers for teams maintaining internal knowledge.

  Visit GuruFull verdict →