How are large language models trained

Self-driving cars use a combination of sensors, AI, and real-time decision-making. Cameras, LiDAR (laser-based distance sensing), radar, and ultrasonic sensors continuously map the car's environment in 3D. This sensor fusion creates a detailed model of everything around the vehicle. The AI processes this sensor data to identify objects — other vehicles, pedestrians, cyclists, road signs, lane markings — classify them, and predict their movements. Computer vision models trained on millions of hours of driving footage do the recognition. Decision-making is the hardest part. The system must simultaneously plan a route, manage speed, navigate traffic rules, predict the behaviour of other road users, and handle unexpected situations. This happens in milliseconds. There are 6 levels of automation from 0 (no automation) to 5 (full automation). Most current production vehicles are at level 2 (adaptive cruise control + lane keeping). Tesla's Autopilot is arguably level 2-3. Waymo's robotaxi service in parts of the US is the only commercial level 4 deployment. Full level 5 (drives anywhere in any conditions without human intervention) remains unsolved. Edge cases — unusual situations not well represented in training data — remain the fundamental challenge.

by ajaydas76157 · 11 upvotes

Self-driving cars use a combination of sensors, AI, and real-time decision-making. Cameras, LiDAR (laser-based distance sensing), radar, and ultrasonic sensors continuously map the car's environment in 3D. This sensor fusion creates a detailed model of everything around the vehicle. The AI processes this sensor data to identify objects — other vehicles, pedestrians, cyclists, road signs, lane markings — classify them, and predict their movements. Computer vision models trained on millions of hours of driving footage do the recognition. Decision-making is the hardest part. The system must simultaneously plan a route, manage speed, navigate traffic rules, predict the behaviour of other road users, and handle unexpected situations. This happens in milliseconds. There are 6 levels of automation from 0 (no automation) to 5 (full automation). Most current production vehicles are at level 2 (adaptive cruise control + lane keeping). Tesla's Autopilot is arguably level 2-3. Waymo's robotaxi service in parts of the US is the only commercial level 4 deployment. Full level 5 (drives anywhere in any conditions without human intervention) remains unsolved. Edge cases — unusual situations not well represented in training data — remain the fundamental challenge.

by mikelewis31167

When it comes to language, the right answer depends heavily on what you are trying to achieve and what constraints you are working within. **If your priority is maximum control over the outcome:** then approaching language by optimising for learning speed over immediate capability makes the most sense. **If your priority is scalability:** then the calculus around trained shifts significantly toward choosing the option with the strongest ecosystem. AI outputs should be treated as a starting point requiring human review, not a finished product. For most people asking about language: start with the simpler option and migrate once you have a real understanding of models. Beginning complex and simplifying later is far harder than the reverse. Aapabilities improve rapidly — what's true today may change within months.

by williamsingh32406