In general, the price-quality TOP. I took for myself and for my parents, two identical devices. We have been using it for about 6 months at the time of writing.
Xiaomi Mi Robot Vacuum-Mop 2 Lite RU robot vacuum cleaner, white
198 Review
Vacuum cleaner Deerma DX118C RU, white/grey
144 Review
iRobot Roomba 692: Smart Robot Vacuum with Wi-Fi, 🤖 Alexa Compatibility, and Pet-Friendly Features for Effortless Cleaning on Any Surface
138 Review
Robot vacuum cleaner Roborock S5 MAX Global, black
298 Review