Image created with gemini-2.5-flash-image with claude-sonnet-4-5. Image prompt: Futuristic orbital command bridge with floor-to-ceiling transparent walls showing deep space, central holographic display projecting branching ethical decision trees and constraint networks in glowing blue wireframe, sleek minimalist control stations, dramatic rim lighting, cool blue and black color palette, cinematic science fiction aesthetic inspired by Ender’s Game, sense of careful strategic oversight and constitutional principles guiding AI systems.
one of our engineers left Claude Code to run overnight for a large migration task. in the morning he started asking it questions about what it did and… POOF! it reverted everything https://x.com/imjaredz/status/1988379604160311696
but likely an autocomplete error the date is in the past and there’s a claude-sonnet-4-5-20250929″” / X https://x.com/scaling01/status/1989145863508394059
We believe this is the first documented case of a large-scale AI cyberattack executed without substantial human intervention. It has significant implications for cybersecurity in the age of AI agents. Read more: https://x.com/AnthropicAI/status/1989033795341648052
Full report: Disrupting the first reported AI-orchestrated cyber espionage campaign https://assets.anthropic.com/m/ec212e6566a0d47/original/Disrupting-the-first-reported-AI-orchestrated-cyber-espionage-campaign.pdf
Disrupting the first reported AI-orchestrated cyber espionage campaign \ Anthropic https://www.anthropic.com/news/disrupting-AI-espionage
We disrupted a highly sophisticated AI-led espionage campaign. The attack targeted large tech companies, financial institutions, chemical manufacturing companies, and government agencies. We assess with high confidence that the threat actor was a Chinese state-sponsored group.”” / X https://x.com/AnthropicAI/status/1989033793190277618
GPT-5, Claude, Kimi, and Gemini: “”I can travel back in time to any time before 1500 and change only one thing, what is the single thing you would change, nothing obvious.”” https://x.com/emollick/status/1987355374928769395
We’re open-sourcing an evaluation used to test Claude for political bias. In the post below, we describe the ideal behavior we want Claude to have in political discussions, and test a selection of AI models for even-handedness: https://x.com/AnthropicAI/status/1989076472208978127
This is a hard area to get right, but we’ve been pretty consistent in trying to make Claude approach political topics fairly. I actually think a lot of existing norms around respect and professionalism can inform how AI models should navigate these issues.”” / X https://x.com/AmandaAskell/status/1989328363077382407
Measuring political bias in Claude \ Anthropic https://www.anthropic.com/news/political-even-handedness
Project Fetch: Can Claude train a robot dog? \ Anthropic https://www.anthropic.com/research/project-fetch-robot-dog
New Anthropic research: Project Fetch. We asked two teams of Anthropic researchers to program a robot dog. Neither team had any robotics expertise–but we let only one team use Claude. How did they do? https://x.com/AnthropicAI/status/1988706380480385470
Anthropic invests $50 billion in American AI infrastructure \ Anthropic https://www.anthropic.com/news/anthropic-invests-50-billion-in-american-ai-infrastructure
🔥 Anthropic just solved AI’s biggest bottleneck Every agent today burns tokens like fuel every tool call, every definition, every intermediate result jammed into context. Now Anthropic’s introducing the fix: code execution with MCP. Instead of calling tools directly, agents https://x.com/godofprompt/status/1986340782694113505
We’ve added the ability to use plugins in the Claude Agent SDK. This allows you to bring the same extension points from Claude Code like subagents & skills into your agent. For example, this is how you can use our document skills to create docx, ppt and xlsx files https://x.com/trq212/status/1985456238713512440
Claude Code Agents running in Docker containers Here’s how it works under the hood 👇 Full breakdown of running Claude Code Agents in Docker – from container setup to execution and file extraction. https://x.com/dani_avila7/status/1985724708579381273
Claude code is good Codex is good Cursor is good Windsurf is good Cline is good Roo Code is good Kilo is good Amp is good OpenCode is good Aider is good”” / X https://x.com/theo/status/1988380210715389958
Fun example of the moving frontier, I have all of these little programs I created back with GPT-4 to solve small problems I had. They worked, but very in-elegantly. I asked Claude Code to go through all of those bits, organize them, improve them, and update them – worked well!”” / X https://x.com/emollick/status/1987590146980565092
Testing Kimi K-2 has reminded me of how insane it is that firms picking AIs are treating them as fungible based on benchmarks Kimi & Grok & Claude & every other model have strengths, quirks & weaknesses that can make a big difference in aggregate Develop your own benchmarks!”” / X https://x.com/emollick/status/1986604851770360213
Opus 4.5 spotted in Claude Code CLI Pull Request https://x.com/scaling01/status/1989145846114578547
This might be the biggest AI hackathon ever: * >6,300 registrants * Runs for 2 weeks (Nov. 14-30) * Open to anyone, anywhere virtually * $20,000 in cash prizes + $3.5M+ in sponsor credits Hosted by @Anthropic and @Gradio, along with 10 sponsors, join kickoff in 30 minutes 👇 https://x.com/huggingface/status/1989386669636948321
Alex Albert on X: “We just launched structured outputs in the Claude API. You can make sure Claude responses always match your specified JSON schemas or custom tool definitions, without retries or parsing errors. https://t.co/8k2ABjm9lC” / X
https://x.com/alexalbert__/status/1989409186674098595
Structured outputs – Claude Docs
https://platform.claude.com/docs/en/build-with-claude/structured-outputs
elvis on X: “Finally solved my newsletter overload. I built my own Pulse feature for Claude Code. It’s a little / command that connects to a proactive agent (built with Claude Agent SDK) that works 24/7 to find breaking AI research. Better than any newsletter and even my For You tab. https://t.co/abal4Q20Ms” / X
https://x.com/omarsar0/status/1989350215175020682
semtools is the easiest way to let your Claude Code / Cursor become an analyst over 1k+ PDF docs. It just adds two CLI commands: `parse`, `search`. Install it to ~/.zshrc and add it to your https://x.com/jerryjliu0/status/1986244321251893631
Use Cases | Claude https://claude.com/resources/use-cases
dropped everything and sprinted to my PC to verify this sadly just anthropic guys vibe coding a little too much”” / X https://x.com/scaling01/status/1989146991272817048
ok one of the things that i’ve always wanted an AIE is coming to pass, after the Great @dylan522p v @jefrankle debate of 2024: the Great MCP debate! @vtahowe and @ianlivingstone are taking on all challengers – if you are a knowledgeable MCP skeptic, come do a live debate next”” / X https://x.com/swyx/status/1988345059675435046
Our very own @RLanceMartin outlined a new playbook for AI engineering on the High Signal Podcast. In this conversation, he touches on: 🔶 Why top products from Claude Code to Manus are constantly re-architecting to keep up with tomorrow’s models 🔶 How to use context engineering https://x.com/LangChainAI/status/1989152093127782765
Join us LIVE at MCP’s first Birthday kickoff at 10 am PT today!🎂 Don’t miss out on details about the celebration from the co-hosts, @Gradio and @AnthropicAI. 🔥 We’ve also got an exciting lineup of speakers from @Huggingface, @OpenAI, @GoogleDeepMind, @modal, @blaxelAI, https://x.com/Gradio/status/1989315723336749412
Anthropic to Outpace OpenAI in Server Efficiency, Internal Projections Show — The Information https://www.theinformation.com/articles/anthropic-projects-cost-advantage-openai
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