Limitless Podcast Elon's Recipe for Winning the AI Race: Grok5 and Colossus
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Sep 23, 2025 Delve into the advancements in AI with insights on Elon Musk's xAI and the promising Grok5. Discover how Grok4 has been supercharged for impressive benchmark improvements. Explore the groundbreaking Grok Fast, boasting a 2 million token context window that drastically cuts costs. Learn about the fierce competition among tech giants shaping the AI landscape and the significant investments fueling this race. Finally, ponder the future of AI accessibility and the implications of energy challenges on AI infrastructure.
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Small Teams Can Leap Ahead
- Two independent researchers dramatically improved Grok4's ARC AGI score using fine-tuning and novel training tricks.
- This suggests post-training methods can unlock big leaps without new base models.
Models Can Solve Problems By Designing Their Own Steps
- Open-source program synthesis makes models design bespoke solutions from the problem itself instead of relying on training data.
- Breaking complex problems into iterative sub-steps produced large reasoning gains on unseen puzzles.
Iterate With Plain English Prompts
- Use plain English prompts and iterative testing to refine model outputs instead of complex code.
- Create multiple rule descriptions, test them on examples, and iteratively revise the best ones.