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Tag: specific

  • Simon Willison’s Weblog: OpenAI’s new open weight (Apache 2) models are really good

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    Kurt Seifried
    in

    Source URL: https://simonwillison.net/2025/Aug/5/gpt-oss/ Source: Simon Willison’s Weblog Title: OpenAI’s new open weight (Apache 2) models are really good Feedly Summary: The long promised OpenAI open weight models are here, and they are very impressive. They’re available under proper open source licenses – Apache 2.0 – and come in two sizes, 120B and 20B. OpenAI’s own…

  • The Cloudflare Blog: Reducing double spend latency from 40 ms to < 1 ms on privacy proxy

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    Kurt Seifried
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    Source URL: https://blog.cloudflare.com/reducing-double-spend-latency-from-40-ms-to-less-than-1-ms-on-privacy-proxy/ Source: The Cloudflare Blog Title: Reducing double spend latency from 40 ms to < 1 ms on privacy proxy Feedly Summary: We significantly sped up our privacy proxy service by fixing a 40ms delay in “double-spend" checks. AI Summary and Description: Yes **Summary:** This text discusses performance improvements made to Cloudflare’s privacy…

  • Simon Willison’s Weblog: Claude Opus 4.1

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Aug/5/claude-opus-41/ Source: Simon Willison’s Weblog Title: Claude Opus 4.1 Feedly Summary: Claude Opus 4.1 Surprise new model from Anthropic today – Claude Opus 4.1, which they describe as “a drop-in replacement for Opus 4". My favorite thing about this model is the version number – treating this as a .1 version increment looks…

  • OpenAI : Estimating worst case frontier risks of open weight LLMs

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    Kurt Seifried
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    Source URL: https://openai.com/index/estimating-worst-case-frontier-risks-of-open-weight-llms Source: OpenAI Title: Estimating worst case frontier risks of open weight LLMs Feedly Summary: In this paper, we study the worst-case frontier risks of releasing gpt-oss. We introduce malicious fine-tuning (MFT), where we attempt to elicit maximum capabilities by fine-tuning gpt-oss to be as capable as possible in two domains: biology and…

  • OpenAI : Introducing gpt-oss

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    Kurt Seifried
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    Source URL: https://openai.com/index/introducing-gpt-oss Source: OpenAI Title: Introducing gpt-oss Feedly Summary: We’re releasing gpt-oss-120b and gpt-oss-20b—two state-of-the-art open-weight language models that deliver strong real-world performance at low cost. Available under the flexible Apache 2.0 license, these models outperform similarly sized open models on reasoning tasks, demonstrate strong tool use capabilities, and are optimized for efficient deployment…

  • Cloud Blog: Announcements for AI Hypercomputer: The latest infrastructure news for ML practitioners

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    Kurt Seifried
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    Source URL: https://cloud.google.com/blog/products/ai-machine-learning/q2-2025-ai-hypercomputer-updates/ Source: Cloud Blog Title: Announcements for AI Hypercomputer: The latest infrastructure news for ML practitioners Feedly Summary: Curious about the latest in AI infrastructure from Google Cloud? Every three months we share a roundup of the latest AI Hypercomputer news, resources, events, learning opportunities, and more. Read on to learn new ways…

  • Embrace The Red: Amp Code: Arbitrary Command Execution via Prompt Injection Fixed

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    Kurt Seifried
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    Source URL: https://embracethered.com/blog/posts/2025/amp-agents-that-modify-system-configuration-and-escape/ Source: Embrace The Red Title: Amp Code: Arbitrary Command Execution via Prompt Injection Fixed Feedly Summary: Sandbox-escape-style attacks can happen when an AI is able to modify its own configuration settings, such as by writing to configuration files. That was the case with Amp, an agentic coding tool built by Sourcegraph. The…

  • Simon Willison’s Weblog: ChatGPT agent’s user-agent

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Aug/4/chatgpt-agents-user-agent/#atom-everything Source: Simon Willison’s Weblog Title: ChatGPT agent’s user-agent Feedly Summary: I was exploring how ChatGPT agent works today. I learned some interesting things about how it exposes its identity through HTTP headers, then made a huge blunder in thinking it was leaking its URLs to Bingbot and Yandex… but it turned out…

  • Simon Willison’s Weblog: ChatGPT agent triggers crawls from Bingbot and Yandex

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    Kurt Seifried
    in

    Source URL: https://simonwillison.net/2025/Aug/4/chatgpt-agents-agent/#atom-everything Source: Simon Willison’s Weblog Title: ChatGPT agent triggers crawls from Bingbot and Yandex Feedly Summary: ChatGPT agent is the recently released (and confusingly named) ChatGPT feature that provides browser automation combined with terminal access as a feature of ChatGPT – replacing their previous Operator research preview which is scheduled for deprecation on…