Tag: .NET

Source URL: https://simonwillison.net/2025/Jun/12/agentic-coding-recommendations/ Source: Simon Willison’s Weblog Title: Agentic Coding Recommendations Feedly Summary: Agentic Coding Recommendations There’s a ton of actionable advice on using Claude Code in this new piece from Armin Ronacher. He’s getting excellent results from Go, especially having invested a bunch of work in making the various tools (linters, tests, development servers…

Simon Willison’s Weblog: Breaking down ‘EchoLeak’, the First Zero-Click AI Vulnerability Enabling Data Exfiltration from Microsoft 365 Copilot

Jun 11, 2025

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Source URL: https://simonwillison.net/2025/Jun/11/echoleak/ Source: Simon Willison’s Weblog Title: Breaking down ‘EchoLeak’, the First Zero-Click AI Vulnerability Enabling Data Exfiltration from Microsoft 365 Copilot Feedly Summary: Breaking down ‘EchoLeak’, the First Zero-Click AI Vulnerability Enabling Data Exfiltration from Microsoft 365 Copilot Aim Labs reported CVE-2025-32711 against Microsoft 365 Copilot back in January, and the fix is…

Simon Willison’s Weblog: Disney and Universal Sue AI Company Midjourney for Copyright Infringement

Jun 11, 2025

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Source URL: https://simonwillison.net/2025/Jun/11/disney-universal-midjourney/#atom-everything Source: Simon Willison’s Weblog Title: Disney and Universal Sue AI Company Midjourney for Copyright Infringement Feedly Summary: Disney and Universal Sue AI Company Midjourney for Copyright Infringement This is a big one. It’s very easy to demonstrate that Midjourney will output images of copyright protected characters (like Darth Vader or Yoda) based…

Simon Willison’s Weblog: Quoting Ted Sanders

Jun 11, 2025

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Source URL: https://simonwillison.net/2025/Jun/11/ted-sanders/#atom-everything Source: Simon Willison’s Weblog Title: Quoting Ted Sanders Feedly Summary: [on the cheaper o3] Not quantized. Weights are the same. If we did change the model, we’d release it as a new model with a new name in the API (e.g., o3-turbo-2025-06-10). It would be very annoying to API customers if we…

Simon Willison’s Weblog: Quoting Sam Altman

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Source URL: https://simonwillison.net/2025/Jun/10/sam-altman/#atom-everything Source: Simon Willison’s Weblog Title: Quoting Sam Altman Feedly Summary: (People are often curious about how much energy a ChatGPT query uses; the average query uses about 0.34 watt-hours, about what an oven would use in a little over one second, or a high-efficiency lightbulb would use in a couple of minutes.…

Simon Willison’s Weblog: AI-assisted coding for teams that can’t get away with vibes

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Source URL: https://simonwillison.net/2025/Jun/10/ai-assisted-coding/#atom-everything Source: Simon Willison’s Weblog Title: AI-assisted coding for teams that can’t get away with vibes Feedly Summary: AI-assisted coding for teams that can’t get away with vibes This excellent piece by Atharva Raykar offers a bunch of astute observations on AI-assisted development that I haven’t seen written down elsewhere. Building with AI…

Simon Willison’s Weblog: o3-pro

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Source URL: https://simonwillison.net/2025/Jun/10/o3-pro/ Source: Simon Willison’s Weblog Title: o3-pro Feedly Summary: o3-pro OpenAI released o3-pro today, which they describe as a “version of o3 with more compute for better responses". It’s only available via the newer Responses API. I’ve added it to my llm-openai-plugin plugin which uses that new API, so you can try it…

Simon Willison’s Weblog: o3 price drop

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Source URL: https://simonwillison.net/2025/Jun/10/o3-price-drop/ Source: Simon Willison’s Weblog Title: o3 price drop Feedly Summary: OpenAI just dropped the price of their o3 model by 80% – from $10/million input tokens and $40/million output tokens to just $2/million and $8/million for the very same model. This is in advance of the release of o3-pro which apparently is…

Simon Willison’s Weblog: Magistral — the first reasoning model by Mistral AI

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