In the final days of 2025, Tesla's Optimus humanoid robot fell during a live demonstration, prompting widespread skepticism about Elon Musk's robotics ambitions. The incident, which went viral, highlighted ongoing challenges in achieving reliable humanoid automation. Despite the setback, NVIDIA CEO Jensen Huang recently endorsed Optimus as a potential multi-trillion-dollar opportunity.
The demonstration of Tesla's Optimus robot took place amid high expectations in late December 2025. Footage captured the humanoid machine attempting a basic navigation task before it lost balance and tumbled to the ground, an event that quickly spread across social media platforms like X, formerly Twitter. This mishap fueled online mockery and serious critiques, with observers viewing it as emblematic of deeper issues in Tesla's AI-driven approach to robotics.
Elon Musk first announced Optimus in 2021, positioning it as a versatile machine for household and industrial tasks, from folding laundry to factory work. By 2022, walking prototypes emerged, followed by the more advanced Gen 2 version in late 2023, which showed improved dexterity in handling objects like sorting blocks or folding shirts. In 2025, Tesla demonstrated enhanced fluid movement and planned to deploy thousands of units internally in factories, aiming for 100,000 units by late 2026. However, the demo failure underscored persistent inconsistencies, with reports attributing the fall to possible software glitches or hardware limitations in balance algorithms.
Musk has a history of ambitious timelines; in a 2024 X post, he promised 'genuinely useful humanoid robots in low production' by 2025, escalating to high production for external clients in 2026. Yet, as 2025 ended, prototypes still struggled in controlled settings. Competitors like Boston Dynamics have showcased more agile robots, while Chinese firms such as Unitree, Fourier Intelligence, Agibot, and BYD target thousands of units in 2025-2026. A 2025 study by the International Federation of Robotics projected that non-humanoid robots could dominate 70% of the market by 2030.
The incident contributed to Tesla stock volatility and analyst downgrades for the robotics division. It also intensified regulatory discussions on AI safety, drawing parallels to Tesla's Full Self-Driving challenges. In contrast, an early 2026 resurgence of a video featuring NVIDIA CEO Jensen Huang praised Optimus as capable of 'igniting the next multi-trillion dollar industry,' calling it a 'gigantic opportunity' uniquely positioned for mass deployment. Huang highlighted the NVIDIA-Tesla collaboration, powered by NVIDIA GPUs for autonomous driving and xAI's Grok models, and lauded Musk as an 'extraordinary engineer.' Analysts project the humanoid robot market could reach $9 trillion by 2050, driven by hardware, software, and productivity gains.
Despite the stumble, Musk acknowledged in a 2025 X post that 'making prototypes is trivial compared to the immense pain of volume manufacturing.' Tesla has responded with accelerated AI hiring and partnerships to refine the technology, amid intensifying global competition and ethical concerns over job displacement.