Hello Robot Stretch 3
Hello Robot's single-arm mobile manipulator. LeRobot had a native `stretch3` robot type in 0.3.2–0.3.3, deprecated in 0.4.0. Hello Robot maintains its own ROS 2 and Python SDK.
LeRobot removed since 0.3.2verified 2026-10-24aka Stretch 3, Stretch, Stretch3
Specifications
- Arms
- 1
- Homepage
- hello-robot.com/
open_source is false for the hardware. Hello Robot states that its ROS 2 and Python SDK are open source. The Stretch 3 product URL used in LeRobot 0.3.x (hello-robot.com/stretch-3-product) returned 404 on 2026-10-24, and the Hello Robot homepage now promotes Stretch 4. Specs and price are not recorded.
Framework support
| Framework | Support | Since | Type string | Docs |
|---|---|---|---|---|
| LeRobot | removed (until 0.3.3)src | 0.3.2 | stretch3 | — |
| ROS 2 | upstream-reposrc | — | — | repo |
| LeRobot: Added on main as `stretch` (PR #409, Oct 2024) and renamed `stretch3` in the Hardware API redesign. It was teleoperated with a stretch3_gamepad. Deprecated in 0.4.0 (PR #2205), and the module is absent from v0.4.0 on. | ||||
| ROS 2: Hello Robot's own ROS 2 Humble packages for Stretch. | ||||
Sources
- T1 · upstream documentedrelease-notessource 2025-10-23verified 2026-10-24 (1d ago)lerobot 0.4.0
LeRobot 0.4.0 deprecated the stretch, viperx and widowx devices.
“chore(robots): deprecate strech, vipex and widowx robots by @imstevenpmwork in https://github.com/huggingface/lerobot/pull/2205”
https://github.com/huggingface/lerobot/releases/tag/v0.4.0 - T1 · upstream documentedsource-codesource 2025-08-06verified 2026-10-24 (1d ago)lerobot 0.3.3
stretch3 robot type at v0.3.3 (last release containing it).
“@RobotConfig.register_subclass("stretch3")”
https://github.com/huggingface/lerobot/blob/v0.3.3/src/lerobot/robots/stretch3/configuration_stretch3.py - T1 · upstream documentedrelease-notessource 2025-08-01verified 2026-10-24 (1d ago)lerobot 0.3.2
Stretch support (PR #409) included in the first tagged release's notes.
“Add support for Stretch (hello-robot) by @aliberts in https://github.com/huggingface/lerobot/pull/409”
https://github.com/huggingface/lerobot/releases/tag/v0.3.2 - T3 · community reportedhub-checkpointverified 2026-10-24 (1d ago)
The only Stretch dataset found in the lerobot Hub org (Hub API search 'stretch', 2026-10-24).
https://huggingface.co/datasets/lerobot/cmu_stretch - T1 · upstream documentedvendor-docsverified 2026-10-24 (1d ago)
Hello Robot's ROS 2 Humble packages for Stretch.
“This repository holds ROS 2 Humble packages for the Stretch mobile manipulators from Hello Robot Inc.”
https://github.com/hello-robot/stretch_ros2/blob/751e701b87d6f34dd26df1c4abc39229d68e60ff/README.md - T1 · upstream documentedvendor-docsverified 2026-10-24 (1d ago)
Hello Robot homepage: open-source ROS 2 and Python SDK; promotes Stretch 4.
“Open-source ROS 2 and Python SDK, with reference demos for autonomy and Physical AI.”
https://hello-robot.com/