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  • Simon Willison’s Weblog: Notes from my Accessibility and Gen AI podcast appearence

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    Kurt Seifried
    in

    Source URL: https://simonwillison.net/2025/Mar/2/accessibility-and-gen-ai/#atom-everything Source: Simon Willison’s Weblog Title: Notes from my Accessibility and Gen AI podcast appearence Feedly Summary: I was a guest on the most recent episode of the Accessibility + Gen AI Podcast, hosted by Eamon McErlean and Joe Devon. We had a really fun, wide-ranging conversation about a host of different topics.…

  • Simon Willison’s Weblog: Quoting Kellan Elliott-McCrea

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Mar/2/kellan-elliott-mccrea/#atom-everything Source: Simon Willison’s Weblog Title: Quoting Kellan Elliott-McCrea Feedly Summary: Regarding the recent blog post, I think a simpler explanation is that hallucinating a non-existent library is a such an inhuman error it throws people. A human making such an error would be almost unforgivably careless. — Kellan Elliott-McCrea Tags: ai-assisted-programming, generative-ai,…

  • Simon Willison’s Weblog: Hallucinations in code are the least dangerous form of LLM mistakes

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Mar/2/hallucinations-in-code/#atom-everything Source: Simon Willison’s Weblog Title: Hallucinations in code are the least dangerous form of LLM mistakes Feedly Summary: A surprisingly common complaint I see from developers who have tried using LLMs for code is that they encountered a hallucination – usually the LLM inventing a method or even a full software library…

  • Simon Willison’s Weblog: llm-anthropic #24: Use new URL parameter to send attachments

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Mar/1/llm-anthropic/#atom-everything Source: Simon Willison’s Weblog Title: llm-anthropic #24: Use new URL parameter to send attachments Feedly Summary: llm-anthropic #24: Use new URL parameter to send attachments Anthropic released a neat quality of life improvement today. Alex Albert: We’ve added the ability to specify a public facing URL as the source for an image…

  • Simon Willison’s Weblog: Structured data extraction from unstructured content using LLM schemas

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Feb/28/llm-schemas/#atom-everything Source: Simon Willison’s Weblog Title: Structured data extraction from unstructured content using LLM schemas Feedly Summary: LLM 0.23 is out today, and the signature feature is support for schemas – a new way of providing structured output from a model that matches a specification provided by the user. I’ve also upgraded both…

  • Simon Willison’s Weblog: Introducing GPT-4.5

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Feb/27/introducing-gpt-45/#atom-everything Source: Simon Willison’s Weblog Title: Introducing GPT-4.5 Feedly Summary: Introducing GPT-4.5 GPT-4.5 is out today as a “research preview" – it’s available to OpenAI Pro ($200/month) customers but also to developers with an API key. OpenAI also published a GPT-4.5 system card. I’ve started work adding it to LLM but I don’t…

  • Simon Willison’s Weblog: olmOCR

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Feb/26/olmocr/#atom-everything Source: Simon Willison’s Weblog Title: olmOCR Feedly Summary: olmOCR New from Ai2 – olmOCR is “an open-source tool designed for high-throughput conversion of PDFs and other documents into plain text while preserving natural reading order". At its core is allenai/olmOCR-7B-0225-preview, a Qwen2-VL-7B-Instruct variant trained on ~250,000 pages of diverse PDF content (both…

  • Simon Willison’s Weblog: Quoting Emergent Misalignment: Narrow finetuning can produce broadly misaligned LLMs

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Feb/25/emergent-misalignment/ Source: Simon Willison’s Weblog Title: Quoting Emergent Misalignment: Narrow finetuning can produce broadly misaligned LLMs Feedly Summary: In our experiment, a model is finetuned to output insecure code without disclosing this to the user. The resulting model acts misaligned on a broad range of prompts that are unrelated to coding: it asserts…

  • Simon Willison’s Weblog: Deep research System Card

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Feb/25/deep-research-system-card/#atom-everything Source: Simon Willison’s Weblog Title: Deep research System Card Feedly Summary: Deep research System Card OpenAI are rolling out their Deep research “agentic" research tool to their $20/month ChatGPT Plus users today, who get 10 queries a month. $200/month ChatGPT Pro gets 120 uses. Deep research is the best version of this…

  • Simon Willison’s Weblog: Gemini 2.0 Flash and Flash-Lite

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    Kurt Seifried
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    Source URL: https://simonwillison.net/2025/Feb/25/gemini-20-flash-and-flash-lite/ Source: Simon Willison’s Weblog Title: Gemini 2.0 Flash and Flash-Lite Feedly Summary: Gemini 2.0 Flash and Flash-Lite Gemini 2.0 Flash-Lite is now generally available – previously it was available just as a preview – and has announced pricing. The model is $0.075/million input tokens and $0.030/million output – the same price as…