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Sebastian Raschka

Sebastian Raschka

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Writer, Ahead of AI

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Total articles 103

  • Top AI Newsletters of 2025

    By Ethan Mollick, Sebastian Raschka, Timothy Lee| ai-supremacy.com@ This list is not exhaustive but features many of the top AI Newsletters on the internet today. 📚 Some of the factors used in the ranking are total paid subscriptions (this is the main criteria) engagement relative to list size⭐ highlighting emerging writers (also check out the “rising” leaderboards in tech in the app)💭 simply my own personal judgment (while browsing Substack’s Tech and Biz leaderboards & analyzing who is reading who that is a huge Venn diagram in and of itself).

    By Ethan Mollick, Sebastian Raschka, Timothy Lee · ai-supremacy.com

    Apr. 01, 2025

  • The State of Reinforcement Learning for LLM Reasoning

    By Sebastian Raschka| Ahead of AI@ A lot has happened this month, especially with the releases of new flagship models like GPT-4.5 and Llama 4. But you might have noticed that reactions to these releases were relatively muted. Why? One reason could be that GPT-4.5 and Llama 4 remain conventional models, which means they were trained without explicit reinforcement learning for reasoning. Meanwhile, competitors such as xAI and Anthropic have added more reasoning capabilities and features into their models.

    By Sebastian Raschka · Ahead of AI

    Apr. 19, 2025

  • The State of Reinforcement Learning for LLM Reasoning

    By Sebastian Raschka| Ahead of AI@ A lot has happened this month, especially with the releases of new flagship models like GPT-4.5 and Llama 4. But you might have noticed that reactions to these releases were relatively muted. Why? One reason could be that GPT-4.5 and Llama 4 remain conventional models, which means they were trained without explicit reinforcement learning for reasoning. Meanwhile, competitors such as xAI and Anthropic have added more reasoning capabilities and features into their models.

    By Sebastian Raschka · Ahead of AI

    Apr. 19, 2025

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Ahead of AI