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Anthropic Labs released Claude Design in research preview for Claude Pro, Max, Team and Enterprise subscribers. It lets users collaborate with Claude to produce designs, interactive prototypes, slides, one-pagers, wireframes and marketing collateral, applying a team's own design system by reading its codebase and design files.

Outputs can be exported, including to PPTX, or pushed into Canva via a partnership. The product is powered by Opus 4.7, Anthropic's most capable vision model at launch.

Claude Opus 4.7 went generally available across Claude products, the API, Amazon Bedrock, Vertex AI and Microsoft Foundry at unchanged pricing of $5/$25 per million input/output tokens and the same 1M-token context window.

Anthropic reports a 13% lift on its internal 93-task coding benchmark, about 3x more production tasks resolved on Rakuten-SWE-Bench, and high-resolution image input up from 1,568px to 2,576px on the long edge. It adds an xhigh effort level, advisory task budgets in public beta, and a /ultrareview command in Claude Code. Anthropic is explicit that Opus 4.7 is deliberately less cyber-capable than the gated Mythos Preview, and ships with automatic blocking of high-risk cybersecurity requests.

Reuters reported that ECB supervisors will quiz euro-area banks on their preparedness for AI-supercharged cyberattacks from Anthropic's Mythos model, working through their regular supervisory dialogue rather than an ad-hoc meeting.

The concern follows a Treasury and Fed warning to top US bank CEOs and open warnings from UK officials, who said Mythos is substantially more capable at cyber offence than any model previously tested by the country's AI Security Institute. St. Louis Fed President Alberto Musalem said the central bank needs to revisit its cybersecurity thinking, and Barclays CEO C. S. Venkatakrishnan called Mythos a serious threat and warned there will be a Mythos 2 and a Mythos 3.

OpenAI unveiled GPT-5.4-Cyber, a variant of GPT-5.4 fine-tuned to be more permissive for defensive security work, and said it is scaling its Trusted Access for Cyber program from a pilot to thousands of verified individual defenders and hundreds of teams protecting critical software.

Access is tiered by identity verification: the highest tiers unlock GPT-5.4-Cyber, which lowers refusal boundaries and enables capabilities such as binary reverse engineering of compiled software without source code. Because the model is more permissive, OpenAI is starting with a limited, iterative deployment to vetted security vendors, organizations and researchers.

Anthropic released a redesign of the Claude Code desktop app built to run many coding agents at once: a sidebar that manages active and recent sessions across repos, with status, project and environment filters and auto-archiving on PR merge; a drag-and-drop pane layout; an integrated terminal and in-app file editor; a rebuilt diff viewer; and in-app HTML and PDF preview.

It adds side chats for branching questions mid-task without polluting the main thread, and reaches parity with CLI plugins. The app is available to all Claude Code users on Pro, Max, Team and Enterprise plans, running sessions locally or in the cloud.

A three-judge panel of the US Court of Appeals for the D.C. Circuit denied Anthropic's emergency motion to stay the Department of War's supply-chain risk designation pending appeal, allowing the Pentagon to bar contractors from using Claude on defense work while litigation continues.

The panel wrote that the equities tip in favor of the government, while acknowledging Anthropic raises substantial challenges and will likely suffer some degree of irreparable harm, and expedited oral arguments to May 19. The ruling sits in tension with the Northern District of California's March 26 preliminary injunction, which blocked enforcement of the designation for non-Pentagon agencies and found evidence of First Amendment retaliation.

Anthropic disclosed a new frontier model, Claude Mythos Preview, and announced it will not be publicly released — access goes to launch partners including AWS, Apple, Broadcom, Cisco, CrowdStrike, Google, JPMorganChase, the Linux Foundation, Microsoft, NVIDIA and Palo Alto Networks, plus 40+ additional organizations maintaining critical software.

Anthropic committed up to $100M in Mythos Preview usage credits and $4M in donations to open-source security organizations. Reported capability jumps over Opus 4.6 include 83.1% versus 66.6% on CyberGym, 93.9% versus 80.8% on SWE-bench Verified, and, on Firefox JavaScript-engine exploit development, 181 successes against 2 for its predecessor.

Anthropic announced a new agreement with Google and Broadcom for multiple gigawatts of next-generation TPU capacity expected to come online starting in 2027, most of it sited in the US as an extension of its $50B American infrastructure commitment.

Broadcom's SEC filing put the Anthropic portion at roughly 3.5 GW of TPU-based capacity, plus a long-term agreement to develop and supply custom TPUs for Google and a supply-assurance deal for networking components through 2031. Anthropic said its run-rate revenue has passed $30B, up from about $9B at the end of 2025, with over 1,000 business customers spending more than $1M annually.

AWS moved AWS DevOps Agent and AWS Security Agent from preview to general availability, describing them as frontier agents: systems that work independently across many steps, scale across a portfolio, and run persistently for hours or days.

DevOps Agent correlates telemetry, code and deployment data to investigate incidents across AWS, multicloud and on-prem, integrating with CloudWatch, Datadog, Dynatrace, New Relic, Splunk, Grafana, GitHub, GitLab and Azure DevOps; AWS reports preview customers saw up to 75% lower mean time to resolution, 80% faster investigations and 94% root-cause accuracy. Security Agent does continuous, context-aware penetration testing inside development pipelines. Both are consumption-priced, roughly $30/hour for SRE work and $50/hour for pentesting.

Effective April 4 at 12pm PT, Claude Pro, Max and Team subscription limits no longer cover third-party harnesses — enforcement started with OpenClaw and was scheduled to extend to others. Users keep access but must move to Anthropic's pay-as-you-go Extra Usage billing or standard API keys, with a one-time transition credit equal to one month's plan.

Boris Cherny, who leads Claude Code, framed it as a capacity decision: third-party harness traffic patterns were never accounted for in flat-rate plans, and Anthropic cited per-day OpenClaw consumption in the hundreds of dollars at API rates. OpenClaw creator Peter Steinberger argued the timing matched Anthropic copying popular features into its own closed harness.