Hugging Face Unveils Microduck: A $399 Open-Source 25 cm Biped You Train with Reinforcement Learning
$399. That's what Hugging Face just priced an open-source biped robot that you train yourself with RL.

Why it matters
Hugging Face is democratizing embodied AI with a consumer-priced robot platform that ships with full sim-to-real training infrastructure — making reinforcement learning on real hardware accessible to practitioners and researchers outside labs.
The key facts
11 to knowMicroduck: 25cm bipedal robot, $399 pre-order price
15 motors, camera, LiDAR, dual IMUs
Full training stack: MuJoCo simulation, ONNX export, Apache 2.0 license
Sim-to-real reinforcement learning loop on consumer hardware
Built by Pollen Robotics (Bordeaux team within Hugging Face)
Open-source, retrainable policies
Microduck: 25 cm bipedal robot at $399
Neural policies trained in MuJoCo, exported to ONNX
Apache-2.0 training stack; end-user retrainable
Pollen Robotics (Hugging Face Bordeaux team)
Sim-to-real loop accessible to individual practitioners and researchers
Go to the source
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Publisher excerpt: Pollen Robotics, the Bordeaux robotics team at Hugging Face, opened pre-orders for Microduck — a 25 cm bipedal robot where every movement is a neural policy trained in MuJoCo and exported to ONNX. At $399, it puts the full sim-to-real loop on a desk: 15 motors, camera, LiDAR, two IMUs, and an…