Company / organization
Anthropic
By and about Anthropic · page 3
Coding agents are learning to talk to each other
Anthropic's cross-session messaging for Claude Code, Agent-Manager's tmux orchestration, and Matt Pocock's agent-spawning patterns show developers building multi-agent coordination directly into coding tools rather than bolting it on from outside.
newsClaude Code makes auto mode the default
Anthropic's Claude Code switches auto mode to the default permission setting starting August 14, expanding autonomous coding actions for all new sessions.
newsMeta launches Muse Code, its first coding agent
Meta launched Muse Code on August 5, its first coding agent, designed to handle large and complex code bases against OpenAI and Anthropic's offerings.
newsVibe coding on X: Agents swarm and Memory
Matt Pocock's /claude-handoff pattern for spawning full agents, teamlore's serverless shared memory for AI teams, a seven-layer agent stack, an Anthropic engineer's Claude Code workflow, and cost-cutting tactics for Codex.
newsCitadel buys Situational Awareness's assets
Citadel acquired the bulk of Situational Awareness's roughly $16 billion public equity book after the AI-focused fund suffered a 67% July drawdown and faced margin calls, with retail accounts alleging Citadel Securities stoked rate-hike fears ahead of…
newsGoogle's AI talent exodus: Hassabis steps back, Jeff Dean launches Discovery Loop, a Gemini lead joins Coreau
Demis Hassabis steps down as Google DeepMind CEO to become chair as Jeff Dean, Sanjay Ghemawat, Oriol Vinyals and Quoc Le depart to launch Discovery Loop, an AI startup aimed at automating machine-learning research, and a Gemini pre-training lead…
newsClaude finds mathematical flaws in HAWK and reduced AES
Claude Mythos found mathematical weaknesses in the HAWK signature scheme and a reduced-strength AES variant, though Anthropic says neither has practical impact; the real story is the published prompts showing how researchers coaxed the model past its…
newsOpenAI and Anthropic Line Up Against Open Weights
OpenAI and Anthropic are jointly urging the Trump administration to treat open-weight models as a security threat, particularly those from China, though critics see the push as protecting their API revenue.
newsClaude Opus 5: near-Fable intelligence at half the price
Anthropic released Claude Opus 5 on July 24, claiming near-Fable 5 capabilities at half the price and now ranking #1 on the Artificial Analysis Intelligence Leaderboard, though reviewers see the win as token efficiency and lower restrictions rather than…
newsTokenmaxxing, 2025-2026, RIP
Meta killed its tokenmaxxing leaderboard as Uber capped AI spending at $1,500/month and GitHub Copilot users saw costs jump 10-50x after switching to per-token billing in June.
newsBun rewrite in Rust
Bun completed a 535,000-line rewrite from Zig to Rust in 11 days using 64 parallel Claude loops, eliminating memory safety bugs that caused crashes when Zig's manual memory management clashed with JavaScriptCore's garbage collector.
newsClaude Sonnet 5: Near-Opus Performance
Anthropic released Claude Sonnet 5 on June 30 with 63.2% SWE-bench Pro and a GDPval-AA score of 1,618—nearly matching Opus 4.8's 1,615—at $2/$10 per million tokens through August 31, with native 1M context and 128K output by default.
newsFable 5 Is Back: Washington Lifts the 19-Day Ban — With Strings Attached
Commerce Department lifted its 19-day ban on Anthropic's Fable 5 and Mythos 5 on June 30, requiring a >99%-effective safety classifier, pre-release government review, and a cross-lab jailbreak rubric with Amazon, Microsoft, and Google before the models…
newsOpenAI Floats a 5% Stake for Uncle Sam
OpenAI proposed giving the US government a 5% equity stake worth roughly $42.6B, with a framework for Anthropic, Google, and Meta to cede similar stakes into a sovereign-wealth vehicle, though Anthropic says it hasn't discussed the idea.
newsAnthropic Research: A global workspace in language models
Anthropic open-sourced the Jacobian lens, an interpretability tool that reads what Claude is about to say from its internal layers before output, finding a brain-like "global workspace" divide in the model's computation.
newsDario, Fearmongering, and the Real Reason Frontier Models Got Restricted
U.S. government restrictions on frontier models like Fable 5 and GPT-5.6 stem from genuine national-security concerns over cyber capabilities and Chinese access, not primarily Dario Amodei's warnings, though Anthropic's clumsy Pentagon relations made the…
newsOpenAI Launches GPT-5.6 Family: Sol, Terra, and Luna in Limited Preview
OpenAI previewed GPT-5.6 on June 26 — Sol at $5/$30 with a 91.9% Terminal-Bench 2.1 ultra mode, Terra at $2.50/$15 and Luna at $1/$6 — with access limited to ~20 government-vetted organizations.
newsAnthropic maps Claude usage by hour: news at dawn, recipes at dusk, sleep advice at 5am
Anthropic's usage data shows Claude users seek news at dawn, recipes at dusk, and sleep advice at 5am, while gardening queries remain steady throughout the day.
newsSakana AI launches Fugu — one model to command them all
Sakana AI launched Fugu, an orchestrator model that coordinates a swappable pool of frontier LLMs to route around vendor lock-in and export controls, with two variants behind a single OpenAI-compatible API.
newsSpaceX Buys Cursor
SpaceX is acquiring Anysphere, maker of the AI code editor Cursor, for $34 billion in stock to merge its coding agent with xAI's Grok models for Starship flight software development.