Sunday Robotics
"The helpful robotics company"
Mountain View AI robotics startup; builds Memo, a wheeled home humanoid trained on 10M chore episodes; $1.15B valuation after $165M Series B in 2026.
Sunday Robotics (operating as Sunday, website sunday.ai) is an AI robotics company founded in 2024 and headquartered in Mountain View, California. Co-founders Tony Zhao (CEO) and Cheng Chi (CTO) are Stanford-trained roboticists whose prior research includes the ALOHA bimanual robot platform, ACT (Action Chunking with Transformers), and diffusion policy — foundational contributions to imitation-learning-based robot control. The team of more than 70 engineers and researchers holds experience from Stanford, Tesla, DeepMind, Waymo, Meta, OpenAI, and Apple.
Sunday emerged from stealth in November 2025 with its flagship product, Memo. Unlike bipedal humanoids competing in the space, Memo is a wheeled, torso-style robot standing approximately 1.7 meters tall and weighing 77 kg. It features a vertical-lift mechanism allowing the arms to reach from floor level to roughly 2.1 meters. Two multi-degree-of-freedom arms with dual grippers enable household manipulation tasks. Passive stability means the robot can be powered down at any state without dropping or falling. Memo is engineered specifically for domestic chores: loading and running dishwashers, clearing tables, folding laundry, and general tidying.
Sunday's training methodology distinguishes it from competitors. The company shipped its Skill Capture Glove — a wearable motion-capture device priced at approximately $200 — to thousands of "Memory Developer" participants. These volunteers recorded authentic household routines in their own homes, generating approximately 10 million chore episodes from more than 500 real residences. This real-world data trains Sunday's ACT-1 foundation model to handle long-horizon, variable tasks in messy, unstructured home environments.
On funding, Sunday raised an initial $35 million from Benchmark and Conviction Partners, then closed a $165 million Series B in March 2026 led by Coatue Management, with participation from Bain Capital Ventures, Tiger Global, and Conviction Partners, reaching a $1.15 billion valuation. Current per-unit build cost is approximately $20,000; Sunday has publicly targeted a future retail price below $10,000 at manufacturing scale. A beta program with approximately 50 "Founding Families" is planned for late 2026.
Primary type & automation activities this supplier delivers:
Contact Sunday Robotics
WEBSITE
https://www.sunday.ai/HEADQUARTERS
United States
Company Facts
Founded
2024
Primary Role
Manufacturer
Company Size
-
Primary Region
North America
Annual Sales
-
Funding Stage
Growth / Late-Stage VC
Funding Total
-
Keywords
- Sunday Robotics
- home humanoid
- household robot
- AI robotics
- wheeled robot
- domestic chores
- imitation learning
- unicorn startup
- home robot
- Memo
- ACT-1
- Skill Capture Glove
- diffusion policy
- ALOHA
- Manufacturer
- Humanoid
- Consumer Robot
- Consumer & Home
WAIC Review 2/4: World Models vs. VLA: Robotics' Next 'ChatGPT Moment'
At WAIC 2026, world-model and VLA camps staked rival paths to generalist robots; Zhiyuan, SenseTime and NVIDIA predict a robot 'ChatGPT moment' in 2-5 years.
RobotToday Weekly Industry Briefing: March 9 – 13, 2026
March 7-14, 2026 robotics news – humanoid advancements, major funding like Sunday's $165M, Atoms launch, physical AI breakthroughs, and industrial automation updates.
Watch: Inside Sunday Robotics’ Mission to Move Beyond the "Viral Demo"
Sunday Robotics has unveiled its lab following a successful $165 million Series B funding round, showcasing the development of its innovative "Memo" robot. The event highlighted the company's journey from initial 3D-printed prototypes to refined design concepts, referred to as "cutemaxxing." The unveiling comes as the company prepares for a significant beta testing phase, with an impressive waitlist of 3,000 individuals eager to experience the technology. This initiative reflects Sunday Robotics' commitment to advancing robotics and engaging potential users in the early stages of product development.
Sunday Robotics US Memo
Sunday Robotics Raises $165M to Transition from Demos to Real-World Deployment
Sunday Robotics, now valued at $1.15 billion, is intensifying its commitment to a "data-first" approach as it prepares to deliver its Memo robot to consumers by Thanksgiving. The company aims to leverage advanced data analytics to enhance the functionality and user experience of its robotic technology. This strategic move reflects Sunday Robotics' ambition to establish a strong presence in the home automation market, catering to the growing demand for innovative household solutions. With the anticipated rollout, the company is poised to make a significant impact in the industry, capitalizing on the increasing interest in smart home devices.
Sunday Robotics US fundraising Memo
The Dishwasher Wars: Figure Fires Back at Sunday Robotics with Glassware Demo
In a recent exchange between tech leaders, Figure CEO Brett Adcock released a new video showcasing the capabilities of the Figure 03 robot handling delicate glassware. This response came after Tony Zhao, CEO of Sunday Robotics, criticized Figure's previous demonstration, which featured the robot only managing plastic items. The incident highlights the competitive landscape in robotics, particularly in the development of household automation technologies. Adcock's timely video aims to address concerns raised by Zhao and demonstrate the versatility and precision of the Figure 03, potentially enhancing its appeal to consumers and investors alike.
Brett Adcock Sunday Robotics Figure helix
Design Around the Data: Sunday Robotics Reveals Why They Built 100 Gloves Before One Robot
In an exclusive interview, Scott Walter, a leader at Sunday Robotics, discussed the company's innovative approach to robotics engineering, emphasizing their "data-first" philosophy that guided the development of their latest robot, Memo. This design strategy prioritizes the training pipeline, ensuring that the robot's capabilities are built around the data it processes rather than adapting the data to fit a pre-existing framework. The insights shared during the interview highlight Sunday Robotics' commitment to leveraging data effectively to enhance robotic functionality and performance. This approach marks a significant shift in how robotics can be developed, aiming to create more efficient and intelligent machines.
Scott Walter Sunday Robotics Memo
'Early FSD Energy': Why Top Tesla Talent Is Migrating to Sunday Robotics
Sunday Robotics has officially announced its entry into the tech landscape, coinciding with the departure of several senior engineers from Tesla's Autopilot and Optimus teams. These engineers have expressed their motivation to leave Tesla in search of a more dynamic and innovative environment reminiscent of the early days of autonomous technology development. The shift highlights a growing trend among talent in the autonomous vehicle sector, as professionals seek opportunities that foster rapid advancements and creativity. This transition marks a significant moment for Sunday Robotics as it aims to capitalize on the expertise of these seasoned engineers to drive its mission forward.
Tesla Sunday Robotics
Sunday Robotics Founders on the "GPT Moment" for Physical AI and Breaking the Data Bottleneck
In a recent interview, Tony Zhao and Cheng Chi discussed their innovative "data-first" philosophy, which they believe is pivotal in advancing technology within their industry. They emphasized the impending end of teleoperation, suggesting that reliance on remote control systems is becoming obsolete. Zhao and Chi expressed their concerns about the current state of the industry, which they feel is caught in a transitional phase between traditional generative pre-trained transformers (GPT) and the more advanced ChatGPT models. Their insights reflect a broader trend in technology, where data-driven approaches are increasingly seen as essential for progress. The interview sheds light on the challenges and opportunities facing the industry as it navigates this critical evolution.
Sunday Robotics Memo
The Appliance vs. The Android: Sunday and 1X Bet on Opposing Futures
Two California startups, Sunday Robotics and 1X Technologies, are competing to develop the next generation of household robots, each taking a distinctly different approach. Sunday Robotics is focusing on a practical design with its robot named "Memo," which aims to perform everyday tasks efficiently. In contrast, 1X Technologies is developing "Neo," a humanoid robot that emphasizes a more interactive and lifelike experience for users. This competition highlights the divergent paths being taken in the robotics industry as companies seek to meet the growing demand for home automation solutions. The race is indicative of broader trends in technology, where functionality and user experience are both critical factors driving innovation. As these startups push forward, the outcome may significantly influence the future of household robotics and how they integrate into daily life.
1X-technologies Sunday Robotics NEO Memo
Sunday Unveils "Memo": A Wheeled, Domestic Robot That Learns From $200 Gloves
Sunday Robotics has announced the development of "Memo," a wheeled home robot designed to operate autonomously through the innovative use of the "ACT-1" foundation model. Unlike conventional teleoperated robots, Memo's artificial intelligence is being trained with human data collected through low-cost gloves, enhancing its ability to interact and perform tasks in a home environment. The company aims to launch a beta version of Memo in 2026, marking a significant step forward in the integration of AI technology into everyday life.
Sunday Robotics
Meet Eggie: Tangible Robotics Joins the Wheeled-Humanoid Race, Betting on Dexterous Hands
Tangible Robotics has officially launched its new home robot, "Eggie," shortly after the unveiling of a similar product by Sunday Robotics. This innovative robot features fully dexterous, human-like hands, setting it apart from competitors by emphasizing advanced hardware capabilities. The announcement marks Tangible Robotics' emergence from stealth mode, showcasing its commitment to a "full stack" approach in robotics. The introduction of Eggie aims to enhance home automation and assistive technology, reflecting the growing demand for sophisticated robotic solutions in everyday life.
Tangible
Sunday Robotics' Third Teaser Reveals "In-House" Dual-Gripper and a Wheeled, Non-Humanoid Body
Sunday Robotics unveiled its latest innovation in a groundbreaking video, showcasing a wheeled robot equipped with a vertical lift. This robot features a custom-designed dual-gripper end-effector, which was developed entirely in-house. The demonstration highlights the robot's ability to execute a complex two-glass pickup, emphasizing a "utility-first" approach that marks a significant shift away from traditional humanoid robotics. This reveal represents a pivotal moment for the company, as it seeks to redefine the capabilities and applications of robotic technology.
Sunday Robotics
