Tesla is showcasing the latest piece of its grand AI narrative to the outside world. On the 26th, the company officially unveiled a neural network system called the &#34;World Simulator,&#34; designed to create an infinitely realistic virtual training ground for its autonomous driving and robotics projects.<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/00d8181b-b117-40d8-9538-2d63e4206623.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/00d8181b-b117-40d8-9538-2d63e4206623.png"/>According to Tesla AI head Ashok Elluswamy's introduction and the official demonstration released, this simulator is a &#34;twin world&#34; entirely composed of neural networks. It can generate continuous, multi-perspective virtual driving scenes with extremely high fidelity based on massive amounts of real-world data. Tesla claims that through this method, its AI system can learn the equivalent of 500 years of human driving experience in just one day.<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/f49dfdb1-248e-4476-a951-4cc8d89f1acf.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/f49dfdb1-248e-4476-a951-4cc8d89f1acf.png"/>The direct impact of this advancement is that Tesla can significantly reduce its reliance on real road testing, allowing it to evaluate and improve its FSD (Full Self-Driving) system in a safer and more efficient environment. The simulator can not only recreate historically dangerous scenarios and explore different response strategies but also actively create extremely rare &#34;long-tail scenarios&#34; and adversarial tests to challenge the limits of AI.<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/7d98ced6-a61e-4789-bf18-efb1089ba3d1?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/7d98ced6-a61e-4789-bf18-efb1089ba3d1"/>More importantly, this underlying AI engine and simulation platform is versatile. Tesla has stated that the &#34;World Simulator&#34; used for training cars is also used to train its &#34;Optimus&#34; humanoid robot. This confirms Musk's ultimate vision: to create a general AI that can understand and interact with the physical world, with cars and robots being different &#34;bodies.&#34;<h2>Simulating Reality, AI's Infinite Testing Ground</h2>Tesla's &#34;World Simulator&#34; is not a traditional game engine but a neural network trained by learning massive amounts of real-world data. Its core function is not driving but predicting—generating a complete visual picture of &#34;what the world will look like in the next second&#34; based on the current vehicle state and driving commands in real-time.<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/d15ca967-83a5-4b78-9009-ad7d9b36c9ed?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/d15ca967-83a5-4b78-9009-ad7d9b36c9ed"/>The demonstration shows that the system can generate realistic driving videos lasting up to 6 minutes, covering 8 cameras, with astonishing detail restoration. For autonomous driving development, its power is reflected in three aspects:<blockquote><ul><li>Closed-loop evaluation: The new FSD model can be directly placed into this virtual world for long-term driving to assess its overall performance without bearing the risks and costs of real road testing</li><li>Scenario Reproduction and Modification: Developers can capture a segment of a real dangerous scenario and let AI respond in various ways in a simulator to find the optimal solution.</li><li>Adversarial Scenario Generation: The system can artificially create extreme and rare dangerous situations, such as making virtual vehicles behave irrationally, specifically to test the robustness and emergency handling capabilities of the AI model.</li></ul></blockquote>This infinite virtual testing ground is a key weapon for Tesla to seek leapfrog development in its FSD and Optimus projects.<h2>End-to-End Architecture: Tesla's Technical Route Choice</h2>The realization of the &#34;world simulator&#34; is closely related to Tesla's choice of the &#34;end-to-end&#34; technology route in the field of autonomous driving. According to a previous article from Wallstreetcn, the mainstream industry solution consists of the &#34;perception, prediction, planning&#34; trio, where each module works independently and is then pieced together. Tesla believes this approach has complex interfaces and is difficult to optimize. In contrast, the &#34;end-to-end&#34; AI model directly &#34;sees&#34; pixels and &#34;outputs&#34; driving commands in one step, allowing the entire system to be optimized as a whole. This is not only to solve driving problems but also to stand on the right side of scalable expansion in the face of AI's &#34;bitter lessons.&#34;<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/4eeaab69-8170-4442-8aa2-e59317a60303?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/4eeaab69-8170-4442-8aa2-e59317a60303"/>The input of this network consists of raw pixel images captured by cameras and data from other vehicle sensors, while the output directly provides commands to control the vehicle, such as the angle of the steering wheel and the intensity of acceleration and deceleration. Tesla believes this route has fundamental advantages:<blockquote><ul><li>Elimination of Information Loss: In modular solutions, information can easily become distorted when transmitted between different modules. For example, regarding the subtle &#34;soft intentions&#34; of &#34;a group of chickens seems to want to cross the road&#34; versus &#34;a group of geese is just resting by the roadside,&#34; the end-to-end network can directly understand and make different decisions (slow down and wait or detour) from the pixels without rigid information definitions.</li><li>Learning Human Values: Complex real-world traffic situations are filled with trade-offs that are difficult to exhaustively enumerate with coded rules. The end-to-end model can learn from vast amounts of human driving data to make judgments closer to human values when faced with dilemmas like &#34;should I briefly use the opposite lane to avoid a puddle.&#34;</li><li>Scalability and Simplicity: This architecture is believed to better handle the endless &#34;long tail problem,&#34; with a unified computing architecture, lower latency, and more in line with the idea that &#34;powerful general methods and massive computing power will ultimately surpass complex human designs.&#34;</li></ul></blockquote><h2>From Data Waterfall to Cracking the &#34;Black Box&#34;</h2>Despite its obvious advantages, the end-to-end solution faces two core challenges: the processing of massive amounts of data and the system's &#34;black box&#34; nature.First of all, a safe autonomous driving system needs to process high-dimensional input information. Tesla estimates that its total number of input tokens reaches as high as 2 billion, while the output is only 2 (steering and acceleration/deceleration), which makes it easy to learn incorrect &#34;correlations&#34; rather than true &#34;causality.&#34; In response, Tesla's solution is to utilize the &#34;waterfall&#34; data flow generated by its fleet and establish a complex &#34;data engine&#34; to automatically filter out the rarest and most valuable training samples, tackling the problem with massive high-quality data.Secondly, regarding the &#34;black box&#34; issue, which criticizes the difficulty for engineers to understand the AI decision-making process, Tesla AI head Ashok Elluswamy responded that this &#34;black box&#34; can be opened. The neural network can output &#34;intermediate tokens&#34; that are understandable to humans while outputting the final instructions, similar to the AI's &#34;thinking process.&#34; Through technologies such as &#34;generative Gaussian splashes,&#34; the system can generate 3D models of the vehicle's surrounding environment in real-time, visually demonstrating the world that the AI &#34;sees&#34; and &#34;understands.&#34; Additionally, the system can explain its decision-making reasons in natural language.<h2>Beyond Cars: General AI and Market Concerns</h2>Tesla's ambitions clearly extend beyond the cars themselves. This AI system and &#34;world simulator&#34; designed for FSD have been seamlessly transferred to the Optimus robot project, used to train robots for navigation and interaction in the physical world. This indicates that Tesla is building a foundational AI engine to solve general physical world interaction problems, with cars being its first large-scale application carrier.<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/0b838360-a4e5-4dfc-9c2d-db124a721ac8.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/0b838360-a4e5-4dfc-9c2d-db124a721ac8.png"/>However, this strategic path has also sparked new market discussions and investor concerns. According to some comments from users on X, some viewpoints suggest that if simulation technology develops to the point where it can highly replace real-world data, theoretically, competitors would not need to have a large fleet and could catch up with Tesla by simulating enough scenarios.<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/dd2f5063-0ec3-4806-9391-a726a7a8944c.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/dd2f5063-0ec3-4806-9391-a726a7a8944c.png"/>Some users also pointed out that while focusing on grand narratives, Tesla still needs to address practical safety issues in its current products, such as &#34;phantom braking.&#34;<img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/f65816e9-372c-49a2-8053-cfc3a836616a.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/f65816e9-372c-49a2-8053-cfc3a836616a.png"/><img src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/1496678d-6ee4-4892-933e-778753f23ed4.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" alt="" original-src="https://imageproxy.pbkrs.com/https://wpimg-wscn.awtmt.com/1496678d-6ee4-4892-933e-778753f23ed4.png"/>For investors, Tesla's valuation is deeply tied to its AI prospects, and the announcement of the &#34;world simulator&#34; is not only the latest demonstration of its technological strength but also makes its future competitive landscape and technological barriers more complex and worthy of scrutiny

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Tesla has disclosed a "World Simulator" based on neural networks, which is a realistic virtual training ground designed for its Full Self-Driving (FSD) and Optimus robot projects. It can generate continuous, multi-perspective driving scenarios, allowing AI to learn the equivalent of 500 years of human driving experience in a single day, significantly reducing reliance on real-world road testing. The simulator can be used for closed-loop evaluation, recreating dangerous scenarios, and creating extreme "long-tail" tests, making it a key to achieving end-to-end general AI

- Tesla has unveiled its "World Simulator," a neural network system designed to create a highly realistic virtual training environment for its autonomous driving and robotics projects.  
- This simulator allows Tesla's AI to learn the equivalent of 500 years of human driving experience in just one day, significantly reducing reliance on real-world testing.  
- The technology aims to develop a universal AI capable of interacting with the physical world, raising market discussions about its implications for competition and safety concerns in current products.

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Tesla's "World Simulator" is here: 1 day to learn 500 years of human driving experience, Optimus Prime can share the same "brain"