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  • Simon Willison’s Weblog: Agents are models using tools in a loop

    Source URL: https://simonwillison.net/2025/May/22/tools-in-a-loop/#atom-everything Source: Simon Willison’s Weblog Title: Agents are models using tools in a loop Feedly Summary: I was going slightly spare at the fact that every talk at this Anthropic developer conference has used the word “agents" dozens of times, but nobody ever stopped to provide a useful definition. I’m now in the…

  • Simon Willison’s Weblog: llm-anthropic 0.16

    Source URL: https://simonwillison.net/2025/May/22/llm-anthropic-016/#atom-everything Source: Simon Willison’s Weblog Title: llm-anthropic 0.16 Feedly Summary: llm-anthropic 0.16 New release of my LLM plugin for Anthropic adding the new Claude 4 Opus and Sonnet models. You can see pelicans on bicycles generated using the new plugin at the bottom of my live blog covering the release. I also released…

  • Simon Willison’s Weblog: Live blog: Claude 4 launch at Code with Claude

    Source URL: https://simonwillison.net/2025/May/22/code-with-claude-live-blog/ Source: Simon Willison’s Weblog Title: Live blog: Claude 4 launch at Code with Claude Feedly Summary: I’m at Anthropic’s Code with Claude event, where they are launching Claude 4. I’ll be live blogging the keynote here. Tags: llm-release, liveblogging, anthropic, claude, generative-ai, ai, llms AI Summary and Description: Yes Summary: The text…

  • Simon Willison’s Weblog: Devstral

    Source URL: https://simonwillison.net/2025/May/21/devstral/#atom-everything Source: Simon Willison’s Weblog Title: Devstral Feedly Summary: Devstral New Apache 2.0 licensed LLM release from Mistral, this time specifically trained for code. Devstral achieves a score of 46.8% on SWE-Bench Verified, outperforming prior open-source SoTA models by more than 6% points. When evaluated under the same test scaffold (OpenHands, provided by…

  • Simon Willison’s Weblog: Gemini Diffusion

    Source URL: https://simonwillison.net/2025/May/21/gemini-diffusion/ Source: Simon Willison’s Weblog Title: Gemini Diffusion Feedly Summary: Gemini Diffusion Another of the announcements from Google I/O yesterday was Gemini Diffusion, Google’s first LLM to use diffusion (similar to image models like Imagen and Stable Diffusion) in place of transformers. Google describe it like this: Traditional autoregressive language models generate text…

  • Simon Willison’s Weblog: Gemini 2.5: Our most intelligent models are getting even better

    Source URL: https://simonwillison.net/2025/May/20/gemini-25/#atom-everything Source: Simon Willison’s Weblog Title: Gemini 2.5: Our most intelligent models are getting even better Feedly Summary: Gemini 2.5: Our most intelligent models are getting even better A bunch of new Gemini 2.5 announcements at Google I/O today. 2.5 Flash and 2.5 Pro are both getting audio output (previously previewed in Gemini…

  • Simon Willison’s Weblog: llm-pdf-to-images

    Source URL: https://simonwillison.net/2025/May/18/llm-pdf-to-images/#atom-everything Source: Simon Willison’s Weblog Title: llm-pdf-to-images Feedly Summary: llm-pdf-to-images Inspired by my previous llm-video-frames plugin, I thought it would be neat to have a plugin for LLM that can take a PDF and turn that into an image-per-page so you can feed PDFs into models that support image inputs but don’t yet…