Skip to main content
Vuntum, home
FREN
Menu

Robots / Robot arm / WidowX

No verified photo yet
No verified photo yet. Suggest a photo

Robot arm · Research and development

WidowX

Useful for: Education and programming · Research and development

by Trossen Robotics · 11 versions: Pro, Core, Heavy, WidowX AI, WidowX Pro, WidowX 250 S, WidowX Heavy, WidowX AI Leader, WidowX AI Follower, WidowX Core Leader and WidowX Core Follower

Key facts

The WidowX is a robotic arm from Trossen Robotics, intended for research and education. The WidowX 250 S version has a reach of 650 mm and a payload of 250 g. The suggested retail price of the WidowX Pro version is 3,495 USD in the US market.

Recommended price
3,495 USD (WidowX Heavy: 4,995 USD · WidowX Core Leader: 3,099.99 USD · WidowX Core Follower: 2,995 USD)
Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX Pro. Original text: “NO CAMERA$3,495 USD”

Version WidowX Pro, United States market.

Weight
4 kg
Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. WidowX AI, arm weight. Original text: “a 1400 mm span, and a 4 kg arm weight”

Version WidowX AI. arm weight.

Payload
4 kg (Core: 2 kg · Heavy: 8 kg · WidowX AI: 1.5 kg · WidowX 250 S: 250 g)
Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. Pro, payload class. Original text: “The Core, Pro, and Heavy are separate family models, listed with payload classes of 2 kg, 4 kg, and 8 kg respectively.”

Version Pro. payload class.

Reach
65 cm (WidowX Heavy: 1.5 m)
Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “650mmReach”

Version WidowX 250 S.

Not disclosed height, battery life, availability in France

CompareFollow

Specifications

9 verified specifications · updated on

WidowX, specifications and levels of evidence
SpecificationProCoreHeavyWidowX AIWidowX ProWidowX 250 SWidowX HeavyWidowX AI LeaderWidowX AI FollowerWidowX Core LeaderWidowX Core FollowerLevel of evidence
Manufacturer suggested priceProNot disclosedCoreNot disclosedHeavyNot disclosedWidowX AINot disclosedWidowX Pro3,495 USDOriginal text: “$3,495 USD”WidowX 250 SNot disclosedWidowX Heavy4,995 USDOriginal text: “$4,995 USD”WidowX AI LeaderNot disclosedWidowX AI FollowerNot disclosedWidowX Core Leader3,099.99 USDOriginal text: “$3,099.99 USD”WidowX Core Follower2,995 USDOriginal text: “$2,995 USD”Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX Core Follower. Original text: “NO CAMERA$2,995 USD”
Product stageProNot disclosedCoreNot disclosedHeavyNot disclosedWidowX AINot disclosedWidowX ProNot disclosedWidowX 250 SDiscontinuedOriginal text: “THIS PRODUCT HAS BEEN DISCONTINUED”WidowX HeavyNot disclosedWidowX AI LeaderNot disclosedWidowX AI FollowerNot disclosedWidowX Core LeaderNot disclosedWidowX Core FollowerNot disclosedClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “THIS PRODUCT HAS BEEN DISCONTINUED WidowX 250 S”
WeightProNot disclosedCoreNot disclosedHeavyNot disclosedWidowX AI4 kgOriginal text: “4 kg arm weight”WidowX ProNot disclosedWidowX 250 SNot disclosedWidowX HeavyNot disclosedWidowX AI LeaderNot disclosedWidowX AI FollowerNot disclosedWidowX Core LeaderNot disclosedWidowX Core FollowerNot disclosedClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. WidowX AI, arm weight. Original text: “a 1400 mm span, and a 4 kg arm weight”
PayloadPro4 kgCore2 kgHeavy8 kgWidowX AI1.5 kgWidowX ProNot disclosedWidowX 250 S250 gOriginal text: “250g payload capacity”WidowX HeavyNot disclosedWidowX AI LeaderNot disclosedWidowX AI FollowerNot disclosedWidowX Core LeaderNot disclosedWidowX Core FollowerNot disclosedClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “With a 250g payload capacity and 650mm reach”
ReachProNot disclosedCoreNot disclosedHeavyNot disclosedWidowX AINot disclosedWidowX ProNot disclosedWidowX 250 S65 cmOriginal text: “650mm”WidowX Heavy1.5 mOriginal text: “1.5m reach”WidowX AI LeaderNot disclosedWidowX AI FollowerNot disclosedWidowX Core LeaderNot disclosedWidowX Core FollowerNot disclosedClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “650mmReach”
RepeatabilityProNot disclosedCoreNot disclosedHeavyNot disclosedWidowX AINot disclosedWidowX ProNot disclosedWidowX 250 S± 1 mmOriginal text: “1mm”WidowX HeavyNot disclosedWidowX AI LeaderNot disclosedWidowX AI FollowerNot disclosedWidowX Core LeaderNot disclosedWidowX Core FollowerNot disclosedClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “250g Payload Capacity Reach: 650mm Span: 1300mm Repeatability: 1mm”
ControllerTrossen iNerveClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. Original text: “built around the Trossen iNerve controller in its base”
Teleoperation supportedProYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”CoreYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”HeavyYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”WidowX AIYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”WidowX ProYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”WidowX 250 SYes, teleoperation recordingOriginal text: “teleoperation recording”WidowX HeavyYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”WidowX AI LeaderYes, the Leader has a teleoperation hand gripOriginal text: “the Leader has a teleoperation hand grip”WidowX AI FollowerYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”WidowX Core LeaderYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”WidowX Core FollowerYes, teleoperates from a Glide leader armOriginal text: “teleoperates from a Glide leader arm”Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. via a Glide leader arm at a Cockpit station. Original text: “teleoperates from a Glide leader arm at a Cockpit station”
CameraProNot disclosedCoreNot disclosedHeavyNot disclosedWidowX AINot disclosedWidowX ProNot disclosedWidowX 250 SNot disclosedWidowX HeavyNot disclosedWidowX AI LeaderNot disclosedWidowX AI FollowerYes, Intel RealSense D405 RGB-D camera and arm mountOriginal text: “Intel RealSense D405 RGB-D camera and arm mount”WidowX Core LeaderNot disclosedWidowX Core FollowerNot disclosedClaimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. WidowX AI Follower. Original text: “the Follower configuration includes an Intel RealSense D405 RGB-D camera and arm mount”

Do you have a source? Tell us

Claimed by the manufacturerReported by a news outletIndependent test observed or measuredNo: confirmed absence · Not disclosed: no source

Program this robot

Verified on

Programmable: yes (Python, C++, ROS 2).

Accessible from the intermediate level. To start: Python SDK. To go further: C++ SDK; ROS.

SDK and languages

Public SDK
Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. Original text: “runs on the open-source Trossen SDK”Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 28 September 2026. Original text: “runs on the open-source Trossen SDK”
Python API
Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “A Python-based API framework for easily interfacing with ROS(2) through lightweight and intuitive modules”Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S, Interbotix Python-based API framework for interfacing with ROS(2). Original text: “A Python-based API framework for easily interfacing with ROS(2)”Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. Python bindings of the Interbotix driver. Original text: “the Interbotix driver ecosystem provides a C++ implementation with Python bindings”
C++ API
Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. Interbotix driver ecosystem. Original text: “the Interbotix driver ecosystem provides a C++ implementation with Python bindings”

ROS 2

ROS compatibility
ROS 2 Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), published 25 September 2026. ROS 2. Original text: “Interbotix drivers, ROS 2 tooling, and a data collection SDK can connect arm control with synchronized sensing and structured dataset export.”ROS 2 Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “Packages for ROS and ROS 2 make it easy to get started with the arm.”

Simulation

Gazebo simulation
Yes Claimed by the manufacturerClaimed by the manufacturer. Trossen Robotics (pages produit officielles), accessed 30 September 2026. WidowX 250 S. Original text: “as well as simulation (Gazebo) and motion planning (MoveIt) support”

Official code

Figures read on GitHub on 02/10/2026.

Community projects

  • simpler-env/SimplerEnv · Project independent of the manufacturer

    MIT · 1,174 stars · Jupyter Notebook · Active, last updated 30/09/2026

    Evaluating and reproducing real-world robot manipulation policies (e.g., RT-1, RT-1-X, Octo) in simulation under common setups (e.g., Google Robot, WidowX+Bridge) (CoRL 2024)

  • robot-learning-co/leader-arm · Project independent of the manufacturer

    Licence not recognised automatically · 53 stars · Dormant, last updated 05/09/2025

    Leader Arm Design for ARX R5/X5 and Trossen WidowX AI

Figures read on GitHub on 02/10/2026.

News about this robot

No news about WidowX yet. Follow the sheet to hear about the next story.Follow this robot

Comparable robots

See every robot in this category
Franka Research 3

Franka Research 3

Franka Robotics · Robot arm

Research and development

Price not disclosed

ClaimedPaper announcementPublic SDK
PiPER

PiPER

AgileX Robotics · Robot arm

Research and development

Price not disclosed

ClaimedPaper announcement
Photo to come

DOBOT Magician

Dobot · Robot arm

Education and programming · Research and development

Price not disclosed

ClaimedPaper announcementPublic SDK
Photo to come

myCobot 280

Elephant Robotics · Robot arm

Education and programming · Research and development

799 USD

ClaimedPaper announcementPublic SDK

Sourced comparisons : myCobot 280 vs WidowX · Stretch 4 vs WidowX

Cite this sheet

Plain citation

“WidowX”, Vuntum, updated 29 September 2026, https://vuntum.com/en/robots/trossen-widowx

APA format

Vuntum. (2026, September 29). WidowX. https://vuntum.com/en/robots/trossen-widowx

Embed this badge

Vuntum sheet: WidowX

To show on your site how many sourced values this sheet holds, linking back to it.

HTML code

<a href="https://vuntum.com/en/robots/trossen-widowx"><img src="https://vuntum.com/badge/trossen-widowx.svg?lang=en" alt="Vuntum sheet: WidowX" height="20"></a>

Shields.io address (README, other styles)

https://img.shields.io/endpoint?url=https%3A%2F%2Fvuntum.com%2Fapi%2Fv1%2Frobots%2Ftrossen-widowx%2Fbadge%3Flang%3Den

ShareXBlueskyThreadsLinkedInFacebookRedditWhatsAppEmail