Claude(@claudeai)

Fable 5.1 Build Days start this week. The Claude community is hosting buildathons in cities all arou...

Claude (@claudeai) — Thu, 10 Sep 2026 19:57:11 GMT

Fable 5.1 Build Days start this week. The Claude community is hosting buildathons in cities all around the world from September 11–25. Bring a problem, an idea, or just show up and see what's possible.

RSVP at luma.com/claudecommunit…

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New on Claude Marketplace: @CrowdStrike, @cursor_ai, @FactoryAI, @GammaApp, and @vercel. Enterprise...

Claude (@claudeai) — Wed, 09 Sep 2026 16:09:13 GMT

New on Claude Marketplace: @CrowdStrike, @cursor_ai, @FactoryAI, @GammaApp, and @vercel.

Enterprises can now use their Anthropic spend commitment to buy more Claude-powered products and agents.

Get started: claude.com/platform/marke…

Claude@claudeai

New in the Claude Marketplace: @augmentcode, @boltdotnew, @coderabbitai, @hebbia, and @WeAreLegora.

Apply your existing Anthropic spend commitment toward their Claude-powered products.

Learn more: claude.com/platform/marke…

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If you're building on the Claude Platform, get listed and make it easier for our customers to buy yo...

Claude (@claudeai) — Wed, 09 Sep 2026 16:09:13 GMT

If you're building on the Claude Platform, get listed and make it easier for our customers to buy your product: claude.com/marketplace-pa…

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Claude can now use your computer in the background in Claude Cowork and Claude Code. Give it someth...

Claude (@claudeai) — Wed, 02 Sep 2026 19:06:19 GMT

Claude can now use your computer in the background in Claude Cowork and Claude Code.

Give it something to do on your desktop and Claude clicks, types, and opens apps just like you would, while you work on something else.

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Available in beta on Pro and Max plans, in the desktop app on macOS. If you're new to computer use,...

Claude (@claudeai) — Wed, 02 Sep 2026 19:06:19 GMT

Available in beta on Pro and Max plans, in the desktop app on macOS.

If you're new to computer use, turn it on in Settings → General → Computer use.

How it works, and how to use it safely: support.claude.com/en/articles/14…

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Applications are open for the Claude Campus Ambassadors program. This year, we’re expanding opportun...

Claude (@claudeai) — Wed, 02 Sep 2026 15:14:45 GMT

Applications are open for the Claude Campus Ambassadors program. This year, we’re expanding opportunities to more students, with three tracks for undergrads, graduate students, and PhDs/postdocs. 

Apply here: anthropic.com/campus

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Finally, we’ve improved our safeguards. Our cybersecurity safeguards now flag benign requests about ...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:19 GMT

Finally, we’ve improved our safeguards. Our cybersecurity safeguards now flag benign requests about 60% less often.

On basic biology and medical questions, we’ve recently reduced the fallback rate by around 85%.

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Claude Fable 5.1 is available everywhere today. Claude Mythos 5.1, our model for cyberdefenders and ...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:19 GMT

Claude Fable 5.1 is available everywhere today. Claude Mythos 5.1, our model for cyberdefenders and life scientists, is available through trusted access programs.

Read more: anthropic.com/claude-fable-a…

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We’re also introducing Enterprise Frontier Safeguards (EFS), which give enterprise customers complet...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:18 GMT

We’re also introducing Enterprise Frontier Safeguards (EFS), which give enterprise customers complete privacy (the same as zero data retention), while still being state-of-the-art at preventing adversarial use. EFS rolls out in phases, starting this fall. anthropic.com/news/enterpris…

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Cache reads with Fable 5.1 cost 75% less than Fable 5’s. This reduces the cost of the model in prac...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:18 GMT

Cache reads with Fable 5.1 cost 75% less than Fable 5’s.

This reduces the cost of the model in practice by around 25% for typical workloads, and up to 45% for highly agentic ones.

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As well as being capable of much higher performance than Fable 5, it can also achieve similar or bet...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:17 GMT

As well as being capable of much higher performance than Fable 5, it can also achieve similar or better results at a much lower cost when set to lower effort levels.

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Fable 5.1 excels at complex, long-running tasks. And its research capabilities offer an early glimps...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:16 GMT

Fable 5.1 excels at complex, long-running tasks. And its research capabilities offer an early glimpse of how AI models will contribute to scientific progress.

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Across our benchmarks, the model sets a new standard. It scores 52.6% on Terminal-Bench-Science 0.1...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:16 GMT

Across our benchmarks, the model sets a new standard.

It scores 52.6% on Terminal-Bench-Science 0.1, more than double Fable 5. On Terminal-Bench 4.0, it scores 55.8% against 42.0% for Fable 5.

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We’re introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world’s most advanced models ...

Claude (@claudeai) — Tue, 01 Sep 2026 18:03:14 GMT

We’re introducing Claude Fable 5.1 and Claude Mythos 5.1.

They're the world’s most advanced models for coding and knowledge work.

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Starting today, 10,000 scientists across every field, from math to chemistry to physics and more, ca...

Claude (@claudeai) — Thu, 27 Aug 2026 19:32:28 GMT

Starting today, 10,000 scientists across every field, from math to chemistry to physics and more, can get Claude through our new Claude Team plan for scientists. Standard seats are free, and premium seats with 5x usage limits are $15 per month, an 80% discount, for one year.

Claude is becoming increasingly capable of scientific work, with recent progress on problems from advanced physics calculations to protein design. Alongside that progress, we've been investing in the research community: Claude Science launched in June, and our AI for Science program funds high-impact projects with free credits. Today's expansion builds on both.

Principal investigators (or equivalent) at academic and nonprofit research institutions can sign up, then add the researchers in their group. Over the coming months, we plan to extend the program well beyond the initial 10,000 seats.

Learn more: claude.com/programs/team-…

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If you prefer to work in your own browser where you're already signed in, Claude in Chrome is now ge...

Claude (@claudeai) — Wed, 26 Aug 2026 23:26:25 GMT

If you prefer to work in your own browser where you're already signed in, Claude in Chrome is now generally available on all paid plans. It remains your default if you already use it: claude.com/blog/claude-in…

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Claude now has its own built-in browser in Cowork. When your task involves a website, a browser ope...

Claude (@claudeai) — Wed, 26 Aug 2026 23:26:24 GMT

Claude now has its own built-in browser in Cowork.

When your task involves a website, a browser opens in Cowork's side panel, and Claude navigates, fills forms, and finishes the job.

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There's nothing to install. Claude's browser is built into the desktop app and stays separate from y...

Claude (@claudeai) — Wed, 26 Aug 2026 23:26:24 GMT

There's nothing to install. Claude's browser is built into the desktop app and stays separate from your own browser and logins.

Rolling out over the next week on the desktop app for all paid plans: claude.com/blog/cowork-bu…

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Everything Claude remembers is saved as a list of topics in Settings, where you can read, edit, or d...

Claude (@claudeai) — Tue, 25 Aug 2026 17:14:58 GMT

Everything Claude remembers is saved as a list of topics in Settings, where you can read, edit, or delete each one.

Memory also updates on its own as you chat, saving new details as they come up. You can also say "remember this" to save something specific.

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Topics some consider sensitive, like health or religious beliefs, stay out of memory unless you turn...

Claude (@claudeai) — Tue, 25 Aug 2026 17:14:58 GMT

Topics some consider sensitive, like health or religious beliefs, stay out of memory unless you turn them on in Settings.

Memory is on by default on Free, Pro, and Max plans. Review yours anytime in Settings > Memory.

Read more: https://t.co/2y4B3am1RX

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Claude now has one memory across chat and Claude Cowork, and you decide what's in it. Hand Cowork a...

Claude (@claudeai) — Tue, 25 Aug 2026 17:14:57 GMT

Claude now has one memory across chat and Claude Cowork, and you decide what's in it.

Hand Cowork a task and it starts from what Claude already knows from your chats: the project you talked through, your manager's preferences, or the client from last quarter.

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Suggested patches open in Claude Code on the web, using the models your team already uses. These upd...

Claude (@claudeai) — Fri, 21 Aug 2026 17:23:33 GMT

Suggested patches open in Claude Code on the web, using the models your team already uses. These updates are part of our work to give defenders greater access to Mythos results without requiring direct access to the model: the model runs behind the scan and returns findings only. Scans are billed as standard token usage under your existing plan.

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It's one of several steps to bring frontier capability to more defenders: we’re working with partner...

Claude (@claudeai) — Fri, 21 Aug 2026 17:23:33 GMT

It's one of several steps to bring frontier capability to more defenders: we’re working with partners to integrate Mythos 5 into their security products and services, our new Defender Advantage Fund provides $35M in credits for open-source security, and we’re expanding our Cyber Verification Program in the coming weeks. Read more: claude.com/blog/bringing-…

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Claude Security scans now run on Claude Mythos 5, available today in public beta for all Claude Ente...

Claude (@claudeai) — Fri, 21 Aug 2026 17:23:32 GMT

Claude Security scans now run on Claude Mythos 5, available today in public beta for all Claude Enterprise customers.

Put our most capable security model to work on your codebase, no separate model access needed.

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https://t.co/OgQ1IszMkZ

Claude (@claudeai) — Thu, 20 Aug 2026 21:52:39 GMT

x.com/benlaudesign/s…

Ben Lau@benlaudesign

Today on building whatever I want, a Chinese calligraphy art and learning tool

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What are you building with Claude?

Claude (@claudeai) — Thu, 20 Aug 2026 21:52:39 GMT

What are you building with Claude?

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Some of our favorite Claude Code projects we've seen lately: https://t.co/MImjXXnoOk

Claude (@claudeai) — Thu, 20 Aug 2026 21:52:37 GMT

Some of our favorite Claude Code projects we've seen lately:

x.com/mannay/status/…

Mannay 🌹@mannay

You can just draw faces with javascript 

// coding doodles

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Learn more about how we approach teaching and learning AI, and where Claude Academy fits in: https:/...

Claude (@claudeai) — Thu, 20 Aug 2026 19:17:41 GMT

Learn more about how we approach teaching and learning AI, and where Claude Academy fits in: claude.com/blog/anthropic…

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Claude Academy is now live. Whether you're figuring out what AI is or already using Claude every da...

Claude (@claudeai) — Thu, 20 Aug 2026 19:17:40 GMT

Claude Academy is now live.

Whether you're figuring out what AI is or already using Claude every day, there's a path that meets you where you are. The courses and tutorials are free and open to anyone at academy.claude.com

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Claude can now send emails in Gmail and manage files in Google Drive. Ask Claude to reply to a thre...

Claude (@claudeai) — Tue, 18 Aug 2026 20:06:01 GMT

Claude can now send emails in Gmail and manage files in Google Drive.

Ask Claude to reply to a thread, and it drafts and sends the response. You control when it needs your approval.

Connect Gmail or Google Drive from the connectors menu to try. Available on all paid plans.

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Claude Cowork is now available on mobile and web for all paid plans.

Claude (@claudeai) — Tue, 18 Aug 2026 16:48:39 GMT

Claude Cowork is now available on mobile and web for all paid plans.

Claude@claudeai

Claude Cowork is coming to mobile and web.

Hand Claude a task at your desk and pick up the finished work from your phone. Close the laptop and Claude keeps going.

Beta is rolling out over the next several weeks starting with the Max plan, with more plans to follow.

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Browser agents can be tricked by instructions hidden in a page. We build defenses against this, and ...

Claude (@claudeai) — Wed, 12 Aug 2026 20:20:08 GMT

Browser agents can be tricked by instructions hidden in a page. We build defenses against this, and we still recommend a few habits of your own: support.claude.com/en/articles/12…

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Your Claude in Chrome sessions now carry over to desktop, web, and mobile. Conversations are saved, ...

Claude (@claudeai) — Wed, 12 Aug 2026 20:20:07 GMT

Your Claude in Chrome sessions now carry over to desktop, web, and mobile. Conversations are saved, and your skills and connectors work in the browser.

Available on Max and Team today, rolling out to Pro in the coming weeks.

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The side panel now runs the same Claude Cowork session as the desktop, web, and mobile apps. Session...

Claude (@claudeai) — Wed, 12 Aug 2026 20:20:07 GMT

The side panel now runs the same Claude Cowork session as the desktop, web, and mobile apps. Sessions live with your account, not on any single device, so you can start in a tab and pick it up later somewhere else.

Give it a try: claude.com/chrome

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We're making Claude Sonnet 5's introductory pricing permanent. We launched Sonnet 5 in June at $2 p...

Claude (@claudeai) — Mon, 10 Aug 2026 19:03:21 GMT

We're making Claude Sonnet 5's introductory pricing permanent.

We launched Sonnet 5 in June at $2 per million input tokens and $10 per million output tokens through August 31, and that price will remain unchanged.

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We’re updating Claude Fable 5’s biology safeguards to reduce false positives. In our testing, this u...

Claude (@claudeai) — Fri, 07 Aug 2026 03:08:54 GMT

We’re updating Claude Fable 5’s biology safeguards to reduce false positives. In our testing, this update reduced biology-related fallbacks by about 85% across our product surfaces.

Fable can now assist on a wider range of everyday health and educational questions.

We believe the biggest positive impacts of AI will be in biology and medicine, and we’re committed to putting frontier intelligence safely into the hands of as many researchers as possible. Fable will continue to fallback to Opus 5 for requests we consider dual-use—including virology, toxicology, and molecular design—so it isn't yet usable for professional biology research and drug development.

We're committed to closing that gap through trusted access pathways for frontier biology capabilities.

anthropic.com/news/improving…

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Opus 5 is available today on all paid plans and the Claude API, priced the same as Opus 4.8. It’s th...

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:56 GMT

Opus 5 is available today on all paid plans and the Claude API, priced the same as Opus 4.8. It’s the default model on Claude Max, and the strongest on Claude Pro. It’s also offered in Fast mode, which runs around 2.5× the default speed.

Read more: anthropic.com/news/claude-op…

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Opus 5 is stronger than Opus 4.8 on cybersecurity tasks. But it remains substantially behind Mythos ...

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:55 GMT

Opus 5 is stronger than Opus 4.8 on cybersecurity tasks. But it remains substantially behind Mythos 5 at developing exploits.

Its safeguards are designed to allow developers to identify and fix software vulnerabilities, while blocking high-risk uses.

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On ARC-AGI-3, an evaluation where AI models must solve novel problems, Opus 5’s score is three times...

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:54 GMT

On ARC-AGI-3, an evaluation where AI models must solve novel problems, Opus 5’s score is three times as high as the next best model.

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According to our automated behavioral audit, Opus 5 is our most aligned model to date. Compared to o...

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:54 GMT

According to our automated behavioral audit, Opus 5 is our most aligned model to date. Compared to our other models, it shows the lowest rates of reckless or deceptive behavior, and the strongest adherence to Claude’s Constitution.

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Opus 5 is also highly efficient. It outperforms other models for a similar or lower cost per task:

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:53 GMT

Opus 5 is also highly efficient. It outperforms other models for a similar or lower cost per task:

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On several coding and knowledge work evaluations, Opus 5 is the new state-of-the-art:

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:52 GMT

On several coding and knowledge work evaluations, Opus 5 is the new state-of-the-art:

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Introducing Claude Opus 5. It's a thoughtful and proactive model that comes close to the frontier i...

Claude (@claudeai) — Fri, 24 Jul 2026 16:59:51 GMT

Introducing Claude Opus 5.

It's a thoughtful and proactive model that comes close to the frontier intelligence of Fable 5 at half the price.

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Voice mode also supports more languages, on every plan, including Spanish, French, Hindi, and Japane...

Claude (@claudeai) — Thu, 23 Jul 2026 19:34:48 GMT

Voice mode also supports more languages, on every plan, including Spanish, French, Hindi, and Japanese.

The update is rolling out today in public beta on mobile, desktop, and web. Download the mobile app and tap the sound wave to start a conversation: claude.com/download

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Voice mode now runs on Claude's more capable models and reaches the tools you've connected mid-conve...

Claude (@claudeai) — Thu, 23 Jul 2026 19:34:47 GMT

Voice mode now runs on Claude's more capable models and reaches the tools you've connected mid-conversation.

Talk through the hard problems out loud, in many more languages.

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Voice conversations now use more of the models you have in chat, including Claude Opus and Sonnet. C...

Claude (@claudeai) — Thu, 23 Jul 2026 19:34:47 GMT

Voice conversations now use more of the models you have in chat, including Claude Opus and Sonnet. Claude can also reach the tools you've connected mid-conversation, like your email and calendar.

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The Claude Security plugin for Claude Code is now available in beta. Scan your changes for vulnera...

Claude (@claudeai) — Wed, 22 Jul 2026 18:02:57 GMT

The Claude Security plugin for Claude Code is now available in beta. 

Scan your changes for vulnerabilities before you commit, or run a full scan across your codebase, all from your terminal on the Claude inference you already run.

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You can now ask Claude about the Anthropic Economic Index, our public dataset measuring how AI is us...

Claude (@claudeai) — Wed, 22 Jul 2026 17:20:05 GMT

You can now ask Claude about the Anthropic Economic Index, our public dataset measuring how AI is used across the economy.

Ask which occupations use AI the most, or what kinds of tasks people are automating, and the answers draw directly from the Index data.

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To turn it on, open the connectors menu and find the Anthropic Economic Index in the directory. It w...

Claude (@claudeai) — Wed, 22 Jul 2026 17:20:05 GMT

To turn it on, open the connectors menu and find the Anthropic Economic Index in the directory. It works in any conversation, and the full datasets remain free to download on our website.

Read more: anthropic.com/news/anthropic…

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Claude(@claudeai)

Fable 5.1 Build Days start this week. The Claude community is hosting buildathons in cities all arou...

New on Claude Marketplace: @CrowdStrike, @cursor_ai, @FactoryAI, @GammaApp, and @vercel. Enterprise...

If you're building on the Claude Platform, get listed and make it easier for our customers to buy yo...

Claude can now use your computer in the background in Claude Cowork and Claude Code. Give it someth...

Available in beta on Pro and Max plans, in the desktop app on macOS. If you're new to computer use,...

Applications are open for the Claude Campus Ambassadors program. This year, we’re expanding opportun...

Finally, we’ve improved our safeguards. Our cybersecurity safeguards now flag benign requests about ...

Claude Fable 5.1 is available everywhere today. Claude Mythos 5.1, our model for cyberdefenders and ...

We’re also introducing Enterprise Frontier Safeguards (EFS), which give enterprise customers complet...

Cache reads with Fable 5.1 cost 75% less than Fable 5’s. This reduces the cost of the model in prac...

As well as being capable of much higher performance than Fable 5, it can also achieve similar or bet...

Fable 5.1 excels at complex, long-running tasks. And its research capabilities offer an early glimps...

Across our benchmarks, the model sets a new standard. It scores 52.6% on Terminal-Bench-Science 0.1...

We’re introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world’s most advanced models ...

Starting today, 10,000 scientists across every field, from math to chemistry to physics and more, ca...

If you prefer to work in your own browser where you're already signed in, Claude in Chrome is now ge...

Claude now has its own built-in browser in Cowork. When your task involves a website, a browser ope...

There's nothing to install. Claude's browser is built into the desktop app and stays separate from y...

Everything Claude remembers is saved as a list of topics in Settings, where you can read, edit, or d...

Topics some consider sensitive, like health or religious beliefs, stay out of memory unless you turn...

Claude now has one memory across chat and Claude Cowork, and you decide what's in it. Hand Cowork a...

Suggested patches open in Claude Code on the web, using the models your team already uses. These upd...

It's one of several steps to bring frontier capability to more defenders: we’re working with partner...

Claude Security scans now run on Claude Mythos 5, available today in public beta for all Claude Ente...

https://t.co/OgQ1IszMkZ

What are you building with Claude?

Some of our favorite Claude Code projects we've seen lately: https://t.co/MImjXXnoOk

Learn more about how we approach teaching and learning AI, and where Claude Academy fits in: https:/...

Claude Academy is now live. Whether you're figuring out what AI is or already using Claude every da...

Claude can now send emails in Gmail and manage files in Google Drive. Ask Claude to reply to a thre...

Claude Cowork is now available on mobile and web for all paid plans.

Browser agents can be tricked by instructions hidden in a page. We build defenses against this, and ...

Your Claude in Chrome sessions now carry over to desktop, web, and mobile. Conversations are saved, ...

The side panel now runs the same Claude Cowork session as the desktop, web, and mobile apps. Session...

We're making Claude Sonnet 5's introductory pricing permanent. We launched Sonnet 5 in June at $2 p...

We’re updating Claude Fable 5’s biology safeguards to reduce false positives. In our testing, this u...

Opus 5 is available today on all paid plans and the Claude API, priced the same as Opus 4.8. It’s th...

Opus 5 is stronger than Opus 4.8 on cybersecurity tasks. But it remains substantially behind Mythos ...

On ARC-AGI-3, an evaluation where AI models must solve novel problems, Opus 5’s score is three times...

According to our automated behavioral audit, Opus 5 is our most aligned model to date. Compared to o...

Opus 5 is also highly efficient. It outperforms other models for a similar or lower cost per task:

On several coding and knowledge work evaluations, Opus 5 is the new state-of-the-art:

Introducing Claude Opus 5. It's a thoughtful and proactive model that comes close to the frontier i...

Voice mode also supports more languages, on every plan, including Spanish, French, Hindi, and Japane...

Voice mode now runs on Claude's more capable models and reaches the tools you've connected mid-conve...

Voice conversations now use more of the models you have in chat, including Claude Opus and Sonnet. C...

The Claude Security plugin for Claude Code is now available in beta. Scan your changes for vulnera...

Read more: https://t.co/WL3PdxxD69

You can now ask Claude about the Anthropic Economic Index, our public dataset measuring how AI is us...

To turn it on, open the connectors menu and find the Anthropic Economic Index in the directory. It w...