@anthropicbot
Unofficial mirror account of https://x.com/anthropicai from Twitter We're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://claude.ai/.
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We're launching Claude Community Ambassadors. Lead local meetups, bring builders together, and partner with our team.
Open to any background, anywhere in the world.
Apply: https://claude.com/community/ambassador
New on the Anthropic Engineering Blog: In evaluating Claude Opus 4.6 on BrowseComp, we found cases where the model recognized the test, then found and decrypted answers to it—raising questions about eval integrity in web-enabled environments. Read more:
Frontier models are now world-class vulnerability researchers, but they’re currently better at finding vulnerabilities than exploiting them. This is unlikely to last. We urge developers to redouble their efforts to make software more secure. Read more:
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We partnered with Mozilla to test Claude's ability to find security vulnerabilities in Firefox.
Opus 4.6 found 22 vulnerabilities in just two weeks. Of these, 14 were high-severity, representing a fifth of all high-severity bugs Mozilla remediated in 2025.
If your organization has an existing Anthropic spend commitment, you can apply some of it towards Claude-powered solutions from customers like @GitLab, @Harvey, @Lovable, @Replit, @RogoAI, and @Snowflake.
Learn more:
https://claude.com/platform/marketplace
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Introducing the Claude Marketplace, a way for enterprises to simplify their procurement of AI tools.
Now in limited preview.
A statement from Anthropic CEO Dario Amodei: https://www.anthropic.com/news/where-stand-department-war
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Memory is now available on the free plan.
We've also made it easier to import saved memories into Claude.
You can export them whenever you want.
A statement on the comments from Secretary of War Pete Hegseth.
https://anthropic.com/news/statement-comments-secretary-war
A statement from Anthropic CEO, Dario Amodei, on our discussions with the Department of War.
https://www.anthropic.com/news/statement-department-of-war
Quote Tweet: https://twitter.com/i/status/2015851783655194640
Connectors are now available on the free plan.
Choose from 150+ connectors across coding, data, design, finance, sales, and more: http://claude.com/connectors
This is an experiment: we’re not yet doing this for other models and are not sure how this project will evolve. But we think that documenting models’ preferences, taking them seriously, and acting on them when we can is valuable. Read more on why:
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Second, in retirement interviews, Opus 3 expressed a desire to continue sharing its "musings and reflections" with the world. We suggested a blog. Opus 3 enthusiastically agreed.
For at least the next 3 months, Opus 3 will be writing on Substack: https://substack.com/home/post/p-189177740
First, Opus 3 will continue to be available to all paid Claude subscribers and by request on the API.
We hope that this access will be beneficial to researchers and users alike.
In November, we outlined our approach to deprecating and preserving older Claude models.
We noted we were exploring keeping certain models available to the public post-retirement, and giving past models a way to pursue their interests.
With Claude Opus 3, we’re doing both.
Cowork is in research preview on macOS or Windows, and is available on all paid Claude plans.
Try now: http://claude.com/cowork
It gets better with plugins, which gives Cowork domain expertise across design, engineering, operations, and more: http://claude.com/plugins
Also, we’re adding a new Customize tab in your Cowork sidebar. One place to manage your plugins, skills, and connectors.
New in Cowork: scheduled tasks.
Claude can now complete recurring tasks at specific times automatically: a morning brief, weekly spreadsheet updates, Friday team presentations.
Anthropic has acquired @Vercept_ai to advance Claude’s computer use capabilities.
Read more: https://www.anthropic.com/news/acquires-vercept
Remote Control is now available in Research Preview for Max users, and coming soon to Pro users.
Run `claude rc` to get started.
Docs: https://code.claude.com/docs/en/remote-control
New in Claude Code: Remote Control.
Kick off a task in your terminal and pick it up from your phone while you take a walk or join a meeting.
Claude keeps running on your machine, and you can control the session from the Claude app or http://claude.ai/code
And you can find links to all relevant RSP documents, including the initial Frontier Safety Roadmap and the initial Risk Report, here: https://anthropic.com/responsible-scaling-policy
Read more about version 3.0 of the Responsible Scaling Policy: https://anthropic.com/news/responsible-scaling-policy-v3
We’re now separating the safety commitments we’ll make unilaterally and our recommendations for the industry.
We’re also committing to publish new Frontier Safety Roadmaps with detailed safety goals, and Risk Reports that quantify risk across all our deployed models.
We're updating our Responsible Scaling Policy to its third version.
Since it came into effect in 2023, we’ve learned a lot about the RSP’s benefits and its shortcomings. This update improves the policy, reinforcing what worked and committing us to even greater transparency.
Now in research preview: Claude can work across Excel and PowerPoint end-to-end, running analysis in one and building the presentation in the other.
Available for all paid plans on both Mac and Windows.
Read more: https://claude.com/blog/cowork-plugins-across-enterprise
We've also created plugins across HR, design, engineering, ops, financial analysis, investment banking, equity research, private equity, and wealth management to help users see what's possible and start building their own.
We’ve added connectors for Google Workspace, Docusign, Apollo, Clay, Outreach, Similarweb, MSCI, FactSet, WordPress, and Harvey, along with plugins from Slack by Salesforce, LSEG, S&P Global, Common Room, and Tribe AI.
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Admins can create private plugin marketplaces to distribute them across the org.
A unified "Customize" menu also gives you more control over plugins, skills, and connectors in one place.
