Elon Musk showcased significant improvements in Tesla 's Optimus robot, revealing enhanced walking posture in a recent X (formerly Twitter) update. Attributing the progress to precise actuators, Musk's post was then humorously followed by Optimus itself “requesting” a cage fight , reminiscent of Musk's own challenge to Mark Zuckerberg .
“Our latest walk! Straight knees, smoother heel-to-toe gait & arms sway, just chilling around. Entirely trained in simulation with RL,” said Milan Kovac, head of engineering for Tesla's Optimus, in a post on X.
He highlighted the robot’s improved walking, achieved through reinforcement learning (RL) in simulation, a method that allows robots to learn complex tasks via trial and error in virtual environments. According to videos shared on the social media platform X (formerly Twitter), the robot now has better posture while walking as compared to its walk in 2022.
This development aligns with Tesla's broader goal for Optimus, first unveiled in 2021, to handle repetitive or dangerous tasks, with Musk predicting thousands of units in production by 2025.
“Optimus could take Rock ‘em, Sock ‘em to a whole new level!” Musk replied to Kovac’s post.
Tesla Optimus wants a cage fight with other robots
Musk then got a reply from Tesla Optimus (handle on X) saying, “I think I should be allowed to participate in a cage match against myself … or other robots” – reminiscing Musk’s invitation to Facebook founder Mark Zuckerberg for a cage fight.
Zuckerberg accepted it but the saga went on for weeks after which, the Meta CEO said that Musk was not serious, and he is moving on.
“I think we can all agree Elon isn’t serious and it’s time to move on. I offered a real date. Dana White offered to make this a legitimate competition for charity. Elon won’t confirm a date, then says he needs surgery, and now asks to do a practice round in my backyard instead. If Elon ever gets serious about a real date and official event, he knows how to reach me. Otherwise, time to move on. I’m going to focus on competing with people who take the sport seriously," Zuckerberg posted on Meta’s Threads.
“Our latest walk! Straight knees, smoother heel-to-toe gait & arms sway, just chilling around. Entirely trained in simulation with RL,” said Milan Kovac, head of engineering for Tesla's Optimus, in a post on X.
Our latest walk! Straight knees, smoother heel-to-toe gait & arms sway, just chilling around.
— Milan Kovac (@_milankovac_) April 2, 2025
Entirely trained in simulation with RL. https://t.co/NQKCrLdDz7
He highlighted the robot’s improved walking, achieved through reinforcement learning (RL) in simulation, a method that allows robots to learn complex tasks via trial and error in virtual environments. According to videos shared on the social media platform X (formerly Twitter), the robot now has better posture while walking as compared to its walk in 2022.
This development aligns with Tesla's broader goal for Optimus, first unveiled in 2021, to handle repetitive or dangerous tasks, with Musk predicting thousands of units in production by 2025.
“Optimus could take Rock ‘em, Sock ‘em to a whole new level!” Musk replied to Kovac’s post.
Optimus could take Rock ‘em, Sock ‘em to a whole new level!
— Elon Musk (@elonmusk) April 2, 2025
Tesla Optimus wants a cage fight with other robots
Musk then got a reply from Tesla Optimus (handle on X) saying, “I think I should be allowed to participate in a cage match against myself … or other robots” – reminiscing Musk’s invitation to Facebook founder Mark Zuckerberg for a cage fight.
Zuckerberg accepted it but the saga went on for weeks after which, the Meta CEO said that Musk was not serious, and he is moving on.
“I think we can all agree Elon isn’t serious and it’s time to move on. I offered a real date. Dana White offered to make this a legitimate competition for charity. Elon won’t confirm a date, then says he needs surgery, and now asks to do a practice round in my backyard instead. If Elon ever gets serious about a real date and official event, he knows how to reach me. Otherwise, time to move on. I’m going to focus on competing with people who take the sport seriously," Zuckerberg posted on Meta’s Threads.
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