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Head-to-head · AI Knowledge Base Software

Stack Internal vs Guru

  • Updated Nov 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Stack Internal #1 in AI Knowledge Base Software 9.3/10 Free plan Free plan Visit Stack Internal
Guru #4 in AI Knowledge Base Software 8.9/10 Pricing on request Visit Guru

Stack Internal leads on 0 checks, Guru on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreStack Internal · 9.3/10
  • Free planonly Stack Internal

Stack Internal scores higher on our rubric for ai knowledge base software: 9.3 against 8.9 out of 10; our editors rank them #1 and #4.

Stack Internal is the better fit for teams needing free governed Q&A. Guru is the better fit for mature internal knowledge management.

  • Stack Internal fits best

    Teams needing free governed Q&A

  • Guru fits best

    Mature internal knowledge management

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Stack Internal 9.3/10 Visit ↗ Guru 8.9/10 Visit ↗
At a glance
Editor score 9.3 8.9
Ranking #1 in AI Knowledge Base Software #4 in AI Knowledge Base Software
Best for Teams needing free governed Q&A Mature internal knowledge management
Pricing model Free plan + paid Paid
Starting price — Pricing on request
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web, Chrome extension
Support Docs Email, Live chat, Tickets, Docs · 24/7
Compliance SOC 2, ISO 27001, GDPR, SSO/SAML SOC 2, GDPR, HIPAA, PCI DSS, SSO/SAML
Integrations 10+ integrations 100+ integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Specs
AI answer mode Not checked yet Not checked yet
Source connectors Not checked yet Not checked yet
Permission controls Not checked yet Not checked yet
Content sync Not checked yet Not checked yet
Supported content Not checked yet Not checked yet
Included users Not checked yet Not checked yet
Our review
Pros
  • Combines AI chat with provenance, authorship and conflict signals
  • Permission-aware scopes, role-based access and audit trails
  • Connects Google Docs, Slack, Teams, Jira, GitHub and Okta
  • Structured Cards and Collections with expert review and approval workflows
  • Cited AI answers with permission-aware search across connected sources
  • Revision history, verification workflows, analytics, APIs, Slack, and Teams
Cons
  • Paid pricing follows a contact-sales model
  • Positioning is centered on engineering teams and organizational knowledge
  • Cloud is the listed deployment model
  • No free plan for evaluating the product long term
  • Pricing requires contacting sales rather than choosing a published tier
  • Its current focus is internal knowledge, not public knowledge publishing
Our verdict

Stack Internal, formerly Stack Overflow for Teams, is an enterprise knowledge platform for engineering teams. It ingests information from connected workplace tools, organizes it into reusable knowledge, and delivers answers through AI…

Read the review →

Guru is an internal knowledge management platform for companies that need to capture, organize, verify, and deliver operational knowledge. Its Cards and Collections give teams a structured way to manage content, while collaborative…

Read the review →
  1. Stack InternalAI Knowledge Base Software 9.3Free plan
  2. GuruAI Knowledge Base Software 8.9Pricing on request

Strengths and trade-offs

  • Stack Internal — where it wins

    • Combines AI chat with provenance, authorship and conflict signals
    • Permission-aware scopes, role-based access and audit trails
    • Connects Google Docs, Slack, Teams, Jira, GitHub and Okta

    Where it doesn't

    • Paid pricing follows a contact-sales model
    • Positioning is centered on engineering teams and organizational knowledge
    • Cloud is the listed deployment model

  • Guru — where it wins

    • Structured Cards and Collections with expert review and approval workflows
    • Cited AI answers with permission-aware search across connected sources
    • Revision history, verification workflows, analytics, APIs, Slack, and Teams

    Where it doesn't

    • No free plan for evaluating the product long term
    • Pricing requires contacting sales rather than choosing a published tier
    • Its current focus is internal knowledge, not public knowledge publishing
  • Stack Internal9.3/10 · Free plan

    A governed AI knowledge base for teams that need trusted answers across workplace tools.

    Visit Stack InternalFull verdict →
  • Guru8.9/10 · Pricing on request

    A mature internal knowledge base with review controls, cited AI answers, and deep integrations.

    Visit GuruFull verdict →

More comparisons

All AI knowledge base software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update