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Melody vs Sophia

Melody, from Realbotix, lists at M-Series from $95k (launched ~$150k); $199.99/mo AI; Sophia, from Hanson Robotics, at Not sold to consumers — a research and exhibition platform. The desktop Little Sophia retails around $149.. Here's how the two compare across price, realism, specifications and availability.

MelodyRealbotix
SophiaHanson Robotics
StatusShippingShipping
TypeCompanionHumanoid
FormModularTorso
Presents asFemale-presentingFemale-presenting
PriceM-Series from $95k (launched ~$150k); $199.99/mo AINot sold to consumers — a research and exhibition platform. The desktop Little Sophia retails around $149.
Subscription$199.99/mo
AvailabilityBuilt to orderOperational since 2016
OriginUSAHong Kong
Realism index56/10040/100
Height175 cm · 5 ft 9 in (third-party)~167 cm · 5 ft 6 in (with legs; usually shown as a torso on a base)
Weight~54 kg (third-party)
Skin & materialsPlatinum-cure siliconeFrubber face and neck; transparent rear skull; decorative body
ActuationDynamixel P-Series servos; 17 facial motors30+ motors in the head and face
PowerBuilt-in battery
RuntimeSeveral hours
AI & conversationOpen platform — proprietary AI or third-party (e.g. GPT)Hybrid — scripted dialogue, a chatbot, OpenCog reasoning and LLMs; neural-net face and emotion recognition
VoiceCustomisable voicesSynthesised speech; primarily English
MobilityStationary from the waist; does not walkVery limited — static or wheeled; a legged variant has been demoed but barely walks
Expressions17 facial motors; smoother P-Series motion60+ facial expressions; gaze tracking
Languages100+ languagesPrimarily English; multilingual demos
ConnectivityWi-Fi, BluetoothWi-Fi; cameras in the eyes and chest