IoT & Smart Home · head to head
ESPHome vs Node-RED
ESPHome
IoT & Smart Home
Custom firmware for ESP8266/ESP32 smart home devices
- From
- Free
- Rated
- -
Node-RED
IoT & Smart Home
Flow-based programming tool for IoT and home automation
- From
- Free
- Rated
- -
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.
Where they differ
Only the attributes on which ESPHome and Node-RED actually diverge.
Identical on both: starting price (Free), pricing model (open-source), free tier (Yes), user rating (Not yet rated), category (IoT & 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
- Wiring together devices, APIs and online services with a visual flow editornot ESPHome
- Building home and industrial automation logic on a local servernot ESPHome
- Prototyping MQTT and HTTP integrations without writing full applicationsnot 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.
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.
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.