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Tag: reinforcement

  • AWS News Blog: Announcing Amazon Nova customization in Amazon SageMaker AI

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    Kurt Seifried
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    Source URL: https://aws.amazon.com/blogs/aws/announcing-amazon-nova-customization-in-amazon-sagemaker-ai/ Source: AWS News Blog Title: Announcing Amazon Nova customization in Amazon SageMaker AI Feedly Summary: AWS now enables extensive customization of Amazon Nova foundation models through SageMaker AI with techniques including continued pre-training, supervised fine-tuning, direct preference optimization, reinforcement learning from human feedback and model distillation to better address domain-specific requirements across…

  • Simon Willison’s Weblog: Quoting @grok

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Jul/12/grok/#atom-everything Source: Simon Willison’s Weblog Title: Quoting @grok Feedly Summary: On the morning of July 8, 2025, we observed undesired responses and immediately began investigating. To identify the specific language in the instructions causing the undesired behavior, we conducted multiple ablations and experiments to pinpoint the main culprits. We identified the operative lines…

  • Google Online Security Blog: Mitigating prompt injection attacks with a layered defense strategy

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    Kurt Seifried
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    Source URL: http://security.googleblog.com/2025/06/mitigating-prompt-injection-attacks.html Source: Google Online Security Blog Title: Mitigating prompt injection attacks with a layered defense strategy Feedly Summary: AI Summary and Description: Yes **Summary:** The text discusses emerging security threats associated with generative AI, particularly focusing on indirect prompt injections that manipulate AI systems through hidden malicious instructions. Google outlines its layered security…

  • CSA: High-Profile AI Failures Teach Us About Resilience

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    Kurt Seifried
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    Source URL: https://cloudsecurityalliance.org/articles/when-ai-breaks-bad-what-high-profile-failures-teach-us-about-resilience Source: CSA Title: High-Profile AI Failures Teach Us About Resilience Feedly Summary: AI Summary and Description: Yes Summary: The text discusses the vulnerabilities of artificial intelligence (AI) highlighted through significant real-world failures, emphasizing a new framework, the AI Resilience Benchmarking Model, developed by the Cloud Security Alliance (CSA). This model delineates methods…

  • OpenAI : Addendum to o3 and o4-mini system card: Codex

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    Kurt Seifried
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    Source URL: https://openai.com/index/o3-o4-mini-codex-system-card-addendum Source: OpenAI Title: Addendum to o3 and o4-mini system card: Codex Feedly Summary: Codex is a cloud-based coding agent. Codex is powered by codex-1, a version of OpenAI o3 optimized for software engineering. codex-1 was trained using reinforcement learning on real-world coding tasks in a variety of environments to generate code that…

  • Simon Willison’s Weblog: Expanding on what we missed with sycophancy

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/May/2/what-we-missed-with-sycophancy/ Source: Simon Willison’s Weblog Title: Expanding on what we missed with sycophancy Feedly Summary: Expanding on what we missed with sycophancy I criticized OpenAI’s initial post about their recent ChatGPT sycophancy rollback as being “relatively thin" so I’m delighted that they have followed it with a much more in-depth explanation of what…

  • Cloud Blog: Diving into the technology behind Google’s AI-era global network

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    Kurt Seifried
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    Source URL: https://cloud.google.com/blog/products/networking/google-global-network-technology-deep-dive/ Source: Cloud Blog Title: Diving into the technology behind Google’s AI-era global network Feedly Summary: The unprecedented growth and unique challenges of AI applications are driving fundamental architectural changes to Google’s next-generation global network.  The AI era brings an explosive surge in demand for network capacity, with novel traffic patterns characteristic of…

  • Simon Willison’s Weblog: Quoting Andriy Burkov

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Apr/6/andriy-burkov/#atom-everything Source: Simon Willison’s Weblog Title: Quoting Andriy Burkov Feedly Summary: […] The disappointing releases of both GPT-4.5 and Llama 4 have shown that if you don’t train a model to reason with reinforcement learning, increasing its size no longer provides benefits. Reinforcement learning is limited only to domains where a reward can…

  • Hacker News: Launch HN: Augento (YC W25) – Fine-tune your agents with reinforcement learning

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    Kurt Seifried
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    Source URL: https://news.ycombinator.com/item?id=43537505 Source: Hacker News Title: Launch HN: Augento (YC W25) – Fine-tune your agents with reinforcement learning Feedly Summary: Comments AI Summary and Description: Yes Summary: The text describes a new service offered by Augento that provides fine-tuning for language models (LLMs) using reinforcement learning, enabling users to optimize AI agents for specific…

  • Wired: Amazon’s AGI Lab Reveals Its First Work: Advanced AI Agents

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    Kurt Seifried
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    Source URL: https://www.wired.com/story/amazon-ai-agents-nova-web-browsing/ Source: Wired Title: Amazon’s AGI Lab Reveals Its First Work: Advanced AI Agents Feedly Summary: Led by a former OpenAI executive, Amazon’s AI lab focuses on the decision-making capabilities of next generation of software agents—and borrows insights from physical robots. AI Summary and Description: Yes Summary: Amazon is making strides in artificial…