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IoT & Smart Home · head to head

Tasmota vs Amazon Alexa

T

Tasmota

IoT & Smart Home

Open-source firmware for ESP8266/ESP32 based devices

From
Free
Rated
-
Full reviewWebsite
Amazon Alexa logo

Amazon Alexa

IoT & Smart Home

Amazon's voice-controlled smart home ecosystem

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Tasmota tasmota only runs on Espressif ESP8266, ESP8285, ESP32, ESP32-S and ESP32-C3 chipsets, so devices built on other silicon cannot use it; Amazon Alexa amazon Alexa is a free consumer app (per Apple App Store listing under AMZN Mobile LLC) with no subscription required for core voice assistant functionality; premium content and some skills route through separate Amazon subscriptions such as Prime and Amazon Music
  • They diverge on capability: Tasmota covers Local Control, Amazon Alexa covers Voice Control.

Where they differ

Only the attributes on which Tasmota and Amazon Alexa actually diverge.

Attributes where Tasmota and Amazon Alexa differ
AttributeTasmotaAmazon Alexa
Pricing modelopen-sourcefree
PlatformsESP8266, ESP32, Compatible devicesEcho devices, Fire TV, Android, IOS
Founded20171994

Identical on both: starting price (Free), 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 Tasmota

  • Local Control
  • MQTT Support
  • Web Interface
  • OTA Updates
  • Home Assistant
  • Domoticz
  • OpenHAB
  • Node-RED

Only in Amazon Alexa

  • Voice Control
  • Skills Library
  • Routines
  • Multi-Room Audio
  • 100,000+ skills
  • Ring
  • Blink
  • Fire TV

What people use each for

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

Tasmota

  • Replacing vendor cloud firmware on ESP based smart plugs and switchesnot Amazon Alexa
  • Controlling smart home devices locally over MQTT or HTTPnot Amazon Alexa
  • Integrating off the shelf Wi-Fi devices with Home Assistant without a cloud accountnot Amazon Alexa

Amazon Alexa

  • Voice-controlled homenot Tasmota
  • Smart shoppingnot Tasmota
  • Entertainmentnot Tasmota
  • Home securitynot Tasmota

Where each one falls short

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

Tasmota

  • Tasmota only runs on Espressif ESP8266, ESP8285, ESP32, ESP32-S and ESP32-C3 chipsets, so devices built on other silicon cannot use it
  • Initial installation requires opening the device, bridging GPIO0 to ground during boot and using a 3.3V serial programmer; a 5V programmer damages the chip
  • The ESP chip needs at least 150mA at 3.3V, so an underpowered supply causes flashing and stability failures
  • The Wi-Fi setup access point stays active for only 3 minutes, after which the device must be power cycled to try again
  • The Power Cycle Recovery feature can reset a device to firmware defaults where mains power fluctuates, and the docs advise disabling it in that case

Amazon Alexa

  • Amazon Alexa is a free consumer app (per Apple App Store listing under AMZN Mobile LLC) with no subscription required for core voice assistant functionality; premium content and some skills route through separate Amazon subscriptions such as Prime and Amazon Music

Pricing, plan by plan

Tasmota

Free
  • CommunityFree
    • Full firmware
    • MQTT
    • Web UI

Amazon Alexa

Free
  • FreeFree
    • Voice control
    • Skills
    • Smart home control
  • Alexa Guard Plus$4.99/month
    • Emergency response
    • Hands-free calling
    • Enhanced alerts

Which should you pick?

Choose Tasmota if

  • You need local control.
  • You want to start without paying.
  • You work on ESP8266, ESP32, Compatible devices.
  • You also want mqtt support.
Tasmota review

Choose Amazon Alexa if

  • You need voice control.
  • You want to start without paying.
  • You work on Echo devices, Fire TV, Android, IOS.
  • You also want skills library.
Amazon Alexa review

Questions people ask

Is Tasmota or Amazon Alexa better?
Neither clearly leads. Tasmota starts at Free and Amazon Alexa at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Tasmota or Amazon Alexa?
Tasmota starts at Free and Amazon Alexa at Free.
Does Tasmota or Amazon Alexa run on more platforms?
Tasmota runs on ESP8266, ESP32, Compatible devices. Amazon Alexa runs on Echo devices, Fire TV, Android, IOS.
Can I use Tasmota for free?
Both have a free tier, so you can try either at no cost before committing.
What is Tasmota best used for?
Tasmota is most often used for replacing vendor cloud firmware on esp based smart plugs and switches, controlling smart home devices locally over mqtt or http, integrating off the shelf wi-fi devices with home assistant without a cloud account. Of those, replacing vendor cloud firmware on esp based smart plugs and switches and controlling smart home devices locally over mqtt or http are not what Amazon Alexa is typically brought in for.
What can Tasmota do that Amazon Alexa cannot?
Tasmota covers Local Control, MQTT Support, Web Interface, OTA Updates. Amazon Alexa covers Voice Control, Skills Library, Routines, Multi-Room Audio.
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