Anthropic (@AnthropicAI) / X

Anthropic

1,609 posts

Anthropic

@AnthropicAI

We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on claude.ai.

Joined January 2021

Anthropic
@AnthropicAI
1h
Claude Fable 5 will be available again globally tomorrow. After a series of productive conversations with the US government, we're redeploying the model with a new set of classifiers to target and block more cybersecurity tasks. In the near term, some routine tasks like coding
Redeploying Claude Fable 5
From anthropic.com
1.2M
Anthropic
@AnthropicAI
5h
We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We'll begin restoring access tomorrow, and will share an update soon. We’re grateful to our users for their patience, and to everyone who worked with us on
7.2M
Anthropic reposted
Claude
@claudeai
11h
Introducing Claude Sonnet 5, our most agentic Sonnet yet. It makes plans, uses tools like browsers and terminals, and runs autonomously at a level that just a few months ago required larger and more expensive models.
00:00
5.9M
Anthropic
@AnthropicAI
Jun 27
Since June 12, we’ve been working closely with the US government to restore access to Claude Mythos 5 and Fable 5. Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a set of US organizations that operate and defend critical
4.9M
Anthropic
@AnthropicAI
Jun 26
To keep pace with AI progress, we're advancing how we study Claude's economic impact. Hourly sampling and survey data show us how the cadences of life shape usage, what people produce with Claude, and how perceptions of AI's impact may be changing.
Anthropic Economic Index report: Cadences
From anthropic.com
629K
Anthropic
@AnthropicAI
Jun 26
Replying to @AnthropicAI
Nearly half of respondents expect their work responsibilities to significantly change in the next 12 months. Fewer than 10% think they'll lose their own job within a year, but far more worry for coworkers: over 1/3 put the odds of a junior colleague losing their job above 60%.
91K
Anthropic
@AnthropicAI
Jun 26
AI's impact on the economy will ultimately show up in aggregate data like employment and productivity. But it will first be visible where AI is doing the most work. By tracking how usage shifts, hour by hour, surface by surface, we can start to see those changes as they happen.
Anthropic Economic Index report: Cadences
From anthropic.com
70K
Anthropic
@AnthropicAI
Jun 25
We're joining @raiseus_ai as a founding partner. RAISE US is a nonprofit coalition working to strengthen the American workforce through employer-led action, AI-enabled training, and policy innovation to support the transition to transformative AI.
RAISE US
@raiseus_ai
Jun 25
Today, we're launching RAISE US. America has a technology strategy for AI. It doesn't have a people strategy yet. We're here to build one. RAISE US is co-chaired by @GinaRaimondo and Eric Holcomb. We're working with governors, employers, and educators to help workers train,
747K
Anthropic reposted
Claude
@claudeai
Jun 23
Introducing Claude Tag, a new way for teams to work with Claude. In Slack, Claude joins as a team member with access to the channels and tools you choose. Tag Claude in and delegate tasks to it while you focus on other work.
00:00
20M
Anthropic
@AnthropicAI
Jun 18
New Frontier Red Team blog: Phase 2 of Project Fetch, where we test how well Claude can program a robodog. Opus 4.7, on its own, was ~20x faster than last year's best human team aided by Opus 4.1. (The robodog, alas, still failed to fetch a beach ball.)
Project Fetch: Phase two
From anthropic.com
402K
Anthropic
@AnthropicAI
Jun 18
Watch the robodogs in action in our first Project Fetch experiment:
Anthropic
@AnthropicAI
Nov 12, 2025
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?
00:00
195K
Anthropic
@AnthropicAI
Jun 16
Our latest economic research introduces a framework for tracking Claude Code as it scales. Who is using Claude Code, and what are they using it for? How is the value of tasks changing? And how much does domain expertise shape whether a session succeeds?
Agentic coding and persistent returns to expertise
From anthropic.com
947K
Anthropic
@AnthropicAI
Jun 16
Replying to @AnthropicAI
Domain experts—as judged by the questions they ask and vocabulary they use about a subject—are more likely to see success. But the gap between intermediate and expert users is quite modest, suggesting that proficiency in a domain is sufficient to code successfully within it.
184K
Anthropic
@AnthropicAI
Jun 16
These and other measures will allow us to track consequential shifts in the nature of work as they happen—we'll incorporate some of them into the Anthropic Economic Index going forward. Read the full report:
Agentic coding and persistent returns to expertise
From anthropic.com
150K