Amazon Alexa
Matter controller: yes. “The Echo device is the Matter administrator” — developer.amazon.com
Matter version: 1.5. “subset of Matter 1.5 and lower device types” — developer.amazon.com
Zigbee radio: Echo (4th Gen), Echo Dot Max (2025), Echo Hub, Echo Plus (2nd Gen), Echo Show 21, Echo Show 15 (2nd Gen), Echo Show 11 (2025), Echo Show 10 (3rd Gen), Echo Show 8 (3rd Gen, 2025), Echo Studio, eero 6 / 6+ / 7 / Beacon / Max 7 / Outdoor 7 / PoE 6 / PoE gateway / Pro / Pro 6 / Pro 6E / Pro 7. “support Zigbee 1.2 and 3.0” — developer.amazon.com
Z-Wave radio: none; Amazon lists Zigbee, Thread, Bluetooth, Matter only; no Z-Wave. Checked at developer.amazon.com
Matter device types: 22 listed, 3 not listed or partial
Listed: Matter hubs, on/off and dimmable lights and plugs, color lights, light strip, power strip, generic switch (button), air quality sensor, contact sensor, humidity sensor, light sensor, motion detector, smoke CO alarm, temperature sensor, water leak detector, door lock, window covering, thermostat, fan, air purifier, dishwasher, room air conditioner, robotic vacuum cleaner. “Matter Device Library Specification, Version 1.5” — developer.amazon.com
Not listed or partial: cameras: not listed, energy devices and EV chargers: not listed, refrigerators, ovens, washers, dryers: not listed.
A Matter-compatible Echo (or eero) is the Matter administrator and discovers devices locally; Echo Show 5, Echo Dot, Echo Flex, Echo Hub, Echo Studio and others are controllers but only the listed models are Thread border routers.