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Smart Home · head to head

Nest vs OpenHAB

Nest logo

Nest

Smart Home

Google's smart home hardware and software ecosystem

From
On request
Rated
-
Full reviewWebsite
OpenHAB logo

OpenHAB

Smart Home

Open source automation software for your home

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only OpenHAB has a free tier, so it costs nothing to try first.
  • Each has a real cost: Nest pricing not published in support documentation; individual product prices vary significantly; OpenHAB requires a 64-bit Java 21 JVM to be installed and maintained separately
  • They diverge on capability: Nest covers Learning Thermostat, OpenHAB covers Vendor Agnostic.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Nest and OpenHAB actually diverge.

Attributes where Nest and OpenHAB differ
AttributeNestOpenHAB
Starting priceOn requestFree
Pricing modelone-timeopen-source
Free tierNoYes
PlatformsHardware, Mobile, WebLinux, Windows, MacOS, Docker, Raspberry Pi

Identical on both: user rating (Not yet rated), category (Smart Home), founded (2010).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Nest

  • Learning Thermostat
  • HD Cameras
  • Smart Alerts
  • Energy Savings
  • Google Home
  • Google Assistant
  • Third-party apps
  • Works with Nest

Only in OpenHAB

  • Vendor Agnostic
  • Rule Engine
  • 200+ Bindings
  • Local Processing
  • Z-Wave
  • Zigbee
  • MQTT
  • REST API

What people use each for

The jobs each tool is most often brought in to do.

Nest

  • Households already invested in Google Home ecosystem seeking integrated smart thermostat, camera, and door locknot OpenHAB
  • Users wanting unified control of temperature, security, and entertainment across multiple devicesnot OpenHAB
  • Organisations deploying Google-based smart building solutions with Nest hardwarenot OpenHAB

OpenHAB

  • Self-hosted vendor neutral home automation hubnot Nest
  • Bridging smart home devices from different manufacturers under one set of rulesnot Nest

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Nest

  • Pricing not published in support documentation; individual product prices vary significantly
  • All Nest products require Google Home ecosystem integration for full functionality
  • Smart home devices operate only within the Google Nest ecosystem; limited third-party interoperability
  • Support and product documentation dispersed across Google support rather than centralised Nest site

OpenHAB

  • Requires a 64-bit Java 21 JVM to be installed and maintained separately
  • Oracle Java is explicitly not recommended by the project because of potential licensing restrictions
  • The recommended hardware is a dedicated Raspberry Pi 4 or newer rather than shared hardware
  • Some version upgrades require additional manual steps run through a separate upgrade tool

Pricing, plan by plan

Nest

On request

No published plan breakdown. See the Nest review.

OpenHAB

Free
  • Community EditionFree
    • Unlimited devices
    • 200+ bindings
    • Local control

Which should you pick?

Choose Nest if

  • You need learning thermostat.
  • You work on Hardware, Mobile, Web.
  • You also want hd cameras.
Nest review

Choose OpenHAB if

  • You need vendor agnostic.
  • You want to start without paying.
  • You work on Linux, Windows, MacOS, Docker, Raspberry Pi.
  • You also want rule engine.
OpenHAB review

Questions people ask

Is Nest or OpenHAB better?
Neither clearly leads. Nest starts at On request and OpenHAB at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nest or OpenHAB?
OpenHAB has a free tier; the other does not. Paid plans start at On request for Nest and Free for OpenHAB.
Does Nest or OpenHAB run on more platforms?
Nest runs on Hardware, Mobile, Web. OpenHAB runs on Linux, Windows, MacOS, Docker, Raspberry Pi.
Can I use OpenHAB for free?
Yes. OpenHAB has a free tier, so you can try it without paying. Nest starts at On request.
What is Nest best used for?
Nest is most often used for households already invested in google home ecosystem seeking integrated smart thermostat, camera, and door lock, users wanting unified control of temperature, security, and entertainment across multiple devices, organisations deploying google-based smart building solutions with nest hardware. Of those, households already invested in google home ecosystem seeking integrated smart thermostat, camera, and door lock and users wanting unified control of temperature, security, and entertainment across multiple devices are not what OpenHAB is typically brought in for.
What can Nest do that OpenHAB cannot?
Nest covers Learning Thermostat, HD Cameras, Smart Alerts, Energy Savings. OpenHAB covers Vendor Agnostic, Rule Engine, 200+ Bindings, Local Processing.

Answered from the vendors’ own pages

Nest: Where can I find Google Nest pricing?

Google Nest pricing is available on the Google Store website (store.google.com), but the main category page requires first selecting your region and language. Specific product prices appear on individual product pages after region selection.

Source
OpenHAB: How much does openHAB cost?

openHAB is 100% open source and completely free to download, install, and use across all supported platforms.

Source
OpenHAB: Are there any subscription fees for openHAB?

No, openHAB has no subscription fees. The software is free and released under an open source license for unlimited use.

Source
OpenHAB: How can I support openHAB?

While openHAB is free to use, the project accepts voluntary donations through the openHAB Foundation to support development and maintenance.

Source
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