New Anthropic research: Natural Language Autoencoders. Models like Claude talk in words but think in numbers. The numbers—called activations—encode Claude’s thoughts, but not in a language we can read. Here, we train Claude to translate its activations into human-readable text.↗

New Anthropic research: Project Deal. We created a marketplace for employees in our San Francisco office, with one big twist. We tasked Claude with buying, selling and negotiating on our colleagues’ behalf.↗

Scoop: For more than a year, Silicon Valley has buzzed about Cursor's growth—and whispered about its margins. Now, on the cusp of a $60B buyout, we reveal the hot vibe coding's financials, the 'Anthropic effect' that muddied fundraising, and why SpaceX …↗

Thanks to the entire Claude community for giving feedback and continuing to build with us. Read the full post-mortem here: anthropic.com/engineering/ap…↗

Last month, we published our look into what 81,000 people told us they want from AI. In new research, we’ve investigated the economic hopes and worries referenced in their responses. Read more: anthropic.com/research/81k-e…↗

Confirmed that Anthropic - as of now - has removed Claude Code from new Pro signups. This is what the pricing page looks like. Feels like Anthropic has the bet that those doing coding work will be willing and ready to pay at least $100/month, going forward.↗

Claude Design surprised me. It's actually quite good. I hit some rough edges but I still think it is worth trying and thinking deeply about. Props to Anthropic, they cooked here.↗

Anthropic allows OpenClaw usage again. From @openclaw docs.↗

New post w/ random thoughts on AI (thread) I will probably get a # wrong, but here we go :) 1/12 OpenAI & Anthropic now at 0.1% of US GDP *each* In a year, AI revenue likely to be 1-2% of US GDP What does AI mean for US GDP growth? Does productivity get lost mismeasured a la in…↗

Since Anthropic publish their system prompts we can generate a diff between Claude Opus 4.6 and 4.7 - here are my notes on what's changed simonwillison.net/2026/Apr/18/op…↗

Introducing Claude Design by Anthropic Labs: make prototypes, slides, and one-pagers by talking to Claude. Powered by Claude Opus 4.7, our most capable vision model. Available in research preview on the Pro, Max, Team, and Enterprise plans, rolling out throughout the day.↗

Hey 👋 This is Alex. (the original version of this recap fist appeared on thursdai.news/zl - this version has way more pics) Do AI Engineers still need to read code in 2026? how about 2027? This was the most discussed question at the first @aiDotEngineer Europe conference last we…↗

Delved into Cursor 3.0 -- turns out there's some interesting shenanigans going on.... "The most newsworthy finding is that "Cursor Agent" is a rebranded Claude Code running behind a local proxy with a find-and-replace engine that swaps "Claude"→"Cursor" in system prompts and mes…↗

Another leak from Anthropic They created a lovable-like feature where you can build full-stack apps easily They are coming after everthing↗

Steve Yegge says people using AI coding agents are "10x to 100x as productive as engineers using Cursor and chat today, and roughly 1000x as productive as Googlers were back in 2005." That's a real number. I've seen it. I've lived it. But when people hear it, they reach for the w…↗

People of pi. You can view my 18 minutes @aiDotEngineer Europe talk here. May it spark joy. And laughter. youtube.com/live/_zdroS0Hc…↗

New on the Engineering Blog: Building Managed Agents—our hosted service for long-running agents—meant solving an old problem in computing: how to design a system for “programs as yet unthought of.” Read more: anthropic.com/engineering/ma…↗

some more ramblings from working at @AnthropicAI. I've been asked a few times what the single most important thing a growth marketer should be doing with AI that most aren't. surprise, it's not just a single specific task. after running dozens of growth workflows through Clau…↗

A TypeScript GitHub Action mirror for the base-action used by anthropic’s claude-code-action, re-exporting the contents of base-action from the main repository.↗

Our run-rate revenue has surpassed $30 billion, up from $9 billion at the end of 2025, as demand for Claude continues to accelerate. This partnership gives us the compute to keep pace. Read more: anthropic.com/news/google-br…↗

Anthropic is on an unprecedented growth run. Just in the past year they grew from $1B to $19B ARR. They added $6B in ARR just in *February*. Companies like Palantir and Atlassian took 15-20 years to reach ~$5B ARR. Anthropic is adding that every month. Amol Avasare is head of g…↗

BREAKING! Introducing Plus One: A hosted @openclaw that lives in your Slack and comes pre-loaded with @every's best tools, skills, and workflows. Set it up in one click, and use your ChatGPT subscription (or any other API key.) Bring your Plus One to work: every.to/plus-one…↗

Earlier this week, I spent an afternoon inside Anthropic HQ meeting with various leaders. It was fascinating and I learned a lot. sources.news/p/my-day-insid…↗

Anthropic shipped generative UI for Claude. I reverse-engineered how it works and rebuilt it for PI. Extracted the full design system from a conversation export. Live streaming HTML into native macOS windows via morphdom DOM diffing. Article: michaellivs.com/blog/reverse-e… Rep…↗

Anthropic published a blog post one hour ago. Cybersecurity stocks have lost $10B since. CrowdStrike -6.5%. Cloudflare -6%. Okta -5.7%. One blog post. One hour. $10B gone.↗

Introducing Claude with Ads Free access to Anthropic’s most powerful model, powered by ads. Try it now: claudewithads.com↗

just WOW!!! I am at a loss for words 🤯 open ai changed *EVERYTHING* ... again!!!1 RIP anthropic 🪦↗

Kudos to @AnthropicAI for a killer registry of Claude use cases. If you're struggling for inspiration for what to do with an LLM (any LLM) this is a great set of scenarios to sift through. claude.com/resources/use-…↗

*gets up on soap box* With the announcement of this new "code mode" from Anthropic and Cloudflare, I've gotta rant about LLMs, MCP, and tool-calling for a second Let's all remember where this started LLMs were bad at writing JSON So OpenAI asked us to write good JSON schemas…↗

also, it seems that when you bring your api key you can't set the model to high thinking in the config.json : { "custom_models": [ { "model": "claude-sonnet-4-20250514", "base_url": "api.anthropic.com", "api_key": "<api_key>", "provider": "anthropic…↗