Comparison

Home Assistant vs openHAB

Home Assistant and openHAB both land on Depends.

Home Assistant

home-assistant.io

Depends

Confidence: High

Buy it if you're a tinkerer who wants local control, privacy, and 1,000+ integrations and will invest real setup time.

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openHAB

Depends

Confidence: Medium

Choose openHAB if you're a hands-on tinkerer who wants free, private, vendor-neutral automation and will invest real learning time.

Read the full report

Home Assistant versus openHAB
Compare	Home Assistant	openHAB
Verdict	Depends	Depends
Best for	Tinkerers and DIY enthusiasts	Tinkerers and hobbyists
Who it's not for	Renters or casual users wanting plug-and-play	Casual users wanting plug-and-play
Privacy	Active security page and CVE disclosure process; several historical auth-bypass vulnerabilities, since patched.¹⁰	Several 2024 CVEs in the web UI, one rated CVSS 10.0; self-hosters must patch and harden themselves.
Support quality	Community forums only; no official support	Active forum only, no paid support
Public sentiment	Reviews and Reddit threads consistently praise flexibility and privacy while warning that setup and upkeep demand real technical effort.^⁸	Users praise its power and privacy but consistently flag a steep learning curve and frustration with basics.
Biggest gotcha	History of authentication-bypass CVEs; run updates promptly.¹¹	You own security: docs say run it behind a reverse proxy and harden access yourself

Pick Home Assistant when

Tinkerers and DIY enthusiasts
Privacy-focused homeowners wanting local control
Mixed-brand device households
Hobbyists happy to maintain a server

When Home Assistant is not a fit

Renters or casual users wanting plug-and-play
Anyone unwilling to troubleshoot configs and updates
People with no time for ongoing maintenance
Non-technical households that just want lights to work

Pick openHAB when

Tinkerers and hobbyists
Privacy-focused self-hosters
Raspberry Pi homelab owners
Mixed-brand smart homes

When openHAB is not a fit

Casual users wanting plug-and-play
Non-technical households
Anyone unwilling to self-manage security patching
Buyers needing vendor support contracts

Sources

Home Assistanthome-assistant.io
official
Is Home Assistant free?home-assistant.io
official
Pricing - Nabu Casanabucasa.com
official
2 million homes strong - State of the Open Home 2025home-assistant.io
official
Home Assistant reviewed - Matter Alphamatteralpha.com
review
Home Assistant Green Review - 6 Months Later6monthslater.net
review
This sub VASTLY over estimates how easy home assistant isreddit.com
review
On the fence about Home Assistantreddit.com
review
Leaving Home Assistant, not worth the headaches!community.home-assistant.io
review
Supervisor security disclosurehome-assistant.io
security
CVE-2023-27482 - NVDnvd.nist.gov
security
CVE-2026-66060 - SentinelOnesentinelone.com
security
Home Assistant - Crunchbasecrunchbase.com
news
Home Assistant, But Easy & No Raspberry Pi : Homeyyoutube.com
review
openHAB Concepts (official docs)openhab.org
official
OpenHAB Pricing: Every Plan Comparedsoftwr.com
news