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Smart Home · head to head

ESPHome vs Node-RED

ESPHome logo

ESPHome

Smart Home

Custom firmware for ESP8266/ESP32 smart home devices

From
Free
Rated
-
Full reviewWebsite
Node-RED logo

Node-RED

Smart Home

Flow-based programming tool for IoT and home automation

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: ESPHome eSPHome runs only on supported microcontrollers; the project recommends ESP32, ESP32-S3, ESP32-C3 and ESP32-C6 and advises against ESP8266 for new projects; Node-RED the Node-RED editor ships unsecured: anyone who can reach its IP address can open the editor and deploy changes until adminAuth is configured
  • They diverge on capability: ESPHome covers YAML Configuration, Node-RED covers Visual Editor.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ESPHome and Node-RED actually diverge.

Attributes where ESPHome and Node-RED differ
AttributeESPHomeNode-RED
PlatformsESP8266, ESP32, Docker, Raspberry PiNode.js, Docker, Cloud, Edge devices
Founded20182013

Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated), category (Smart Home).

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 ESPHome

  • YAML Configuration
  • OTA Updates
  • Home Assistant Native
  • Custom Components
  • Home Assistant
  • API
  • Native integration
  • ESP8266 support

Only in Node-RED

  • Visual Editor
  • Flow-Based Programming
  • Extensible
  • HTTP Integration
  • REST API
  • WebSocket
  • Database
  • Social services

Both cover

  • MQTT
  • Docker support

What people use each for

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

ESPHome

  • Building custom smart home sensors and switches on ESP32 hardwarenot Node-RED
  • Replacing vendor cloud firmware on ESP based devices with locally controlled firmwarenot Node-RED
  • Integrating DIY devices into Home Assistant over a native API or MQTTnot Node-RED

Node-RED

  • Low-code event-driven application developmentnot ESPHome
  • IoT and device integration workflowsnot ESPHome
  • Visual programming for server-side integrationsnot ESPHome

Where each one falls short

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

ESPHome

  • ESPHome runs only on supported microcontrollers; the project recommends ESP32, ESP32-S3, ESP32-C3 and ESP32-C6 and advises against ESP8266 for new projects
  • Support for ESP32-H2, RP2040 and other newer chips is documented as less mature
  • Large displays and some sensors do not work well on ESP8266 because of its limited RAM, which is roughly a fifth of an ESP32

Node-RED

  • The Node-RED editor ships unsecured: anyone who can reach its IP address can open the editor and deploy changes until adminAuth is configured
  • HTTPS is off by default and must be enabled through the https setting
  • HTTP endpoints and dashboards exposed by flows are unauthenticated unless httpNodeAuth is configured separately
  • All three security layers are optional additions the administrator must implement by editing the settings file

Pricing, plan by plan

ESPHome

Free
  • CommunityFree
    • Full firmware
    • Home Assistant integration
    • Custom sensors

Node-RED

Free
  • Community EditionFree
    • Visual editor
    • Extensible
    • REST API

Which should you pick?

Choose ESPHome if

  • You need yaml configuration.
  • You want to start without paying.
  • You work on ESP8266, ESP32, Docker, Raspberry Pi.
  • You also want ota updates.
ESPHome review

Choose Node-RED if

  • You need visual editor.
  • You want to start without paying.
  • You work on Node.js, Docker, Cloud, Edge devices.
  • You also want flow-based programming.
Node-RED review

Questions people ask

Is ESPHome or Node-RED better?
Neither clearly leads. ESPHome starts at Free and Node-RED at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ESPHome or Node-RED?
ESPHome starts at Free and Node-RED at Free.
Does ESPHome or Node-RED run on more platforms?
ESPHome runs on ESP8266, ESP32, Docker, Raspberry Pi. Node-RED runs on Node.js, Docker, Cloud, Edge devices.
Can I use ESPHome for free?
Both have a free tier, so you can try either at no cost before committing.
What is ESPHome best used for?
ESPHome is most often used for building custom smart home sensors and switches on esp32 hardware, replacing vendor cloud firmware on esp based devices with locally controlled firmware, integrating diy devices into home assistant over a native api or mqtt. Of those, building custom smart home sensors and switches on esp32 hardware and replacing vendor cloud firmware on esp based devices with locally controlled firmware are not what Node-RED is typically brought in for.
What can ESPHome do that Node-RED cannot?
ESPHome covers YAML Configuration, OTA Updates, Home Assistant Native, Custom Components. Node-RED covers Visual Editor, Flow-Based Programming, Extensible, HTTP Integration. Both handle MQTT, Docker support.

Answered from the vendors’ own pages

ESPHome: Is ESPHome free to use?

Yes. ESPHome is free and open-source software. The Desktop App, Device Builder, components, and recipe tools are all available at no cost.

Source
Node-RED: Is Node-RED free?

Yes, Node-RED is completely free and open source. It is available under the MIT License through GitHub and npm package manager. The project is maintained by the OpenJS Foundation.

Source
ESPHome: What is the cost to run ESPHome?

ESPHome software itself is completely free. Hardware devices and components used with ESPHome vary in cost depending on which microcontrollers and IoT devices you choose.

Source
Node-RED: Does Node-RED offer commercial support?

Node-RED itself is free and community-supported. FlowFuse, Inc. was founded in 2021 as a separate commercial entity offering enterprise support and a professional platform for Node-RED deployment, but FlowFuse is not Node-RED.

Source
ESPHome: Does ESPHome require a subscription or license fee?

No. ESPHome is open-source software with no subscription fees, license costs, or commercial restrictions associated with its use.

Source
Node-RED: What is Node-RED pricing model?

Node-RED has no pricing model. It is completely free open source software. Commercial support and hosting options may be available separately through third-party providers like FlowFuse, but the core software is not sold.

Source
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