Partnering with Mozilla to improve Firefox’s security
…In this post, we share details of a collaboration with researchers at Mozilla in which Claude Opus 4.6 discovered 22 vulnerabilities over the course of two weeks. Of these, Mozilla assigned…
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Users will find Opus 4.8 to be a modest but tangible improvement on its predecessor. There’s still more to be done: we’re working on developing and releasing models that provide many of the same capabilities as Opus at a lower cost. Not only that, but we plan to release a new class of model with even higher intelligence than Opus. As part of Project Glasswing, a small number of organizations are currently using Claude Mythos Preview for cybersecurity work. Models of this capability level require stronger cyber safeguards before they can be generally released. We’re making swift progress on dev
Introducing Claude Opus 4.8Anthropic raises $65B in Series H funding at $965B post-money valuation
…Related content Introducing Claude Opus 4.8 An upgrade to our Opus class of models, with stronger performance across coding, agentic tasks, and professional work, and the consistency to handle long-running…
Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench
…So what exactly is Claude doing that humans aren’t? Claude’s strategies Analyzing transcripts from Opus 4.6, we identified two primary strategies used by Claude compared to humans: one is…
Natural Language Autoencoders
…We’ve already applied NLAs to understand what Claude is thinking and to improve Claude’s safety and reliability. For instance: When Claude Opus 4.6 and Mythos Preview were undergoing safety…
Advancing Claude in healthcare and the life sciences
…Here, Claude Opus 4.5, our latest model, represents a major forward step: In addition, Opus 4.5 with extended thinking improves on earlier Claude models in producing correct answers on our…
Anthropic and NEC partner to build AI-native engineering at scale in Japan
…Claude, including Claude Opus 4.7, and Claude Code will be incorporated into NEC BluStellar Scenario , a program that provides consulting, AI tools, security, and digital infrastructure to businesses, starting with its…
Higher usage limits for Claude and a compute deal with SpaceX
…Second, we’re removing the peak hours limit reduction on Claude Code for Pro and Max accounts. Third, we’re raising our API rate limits considerably for Claude Opus models , as shown…
Agents for financial services
…Claude for Excel powered by Claude Opus 4.6 represents a significant leap forward. From due diligence to financial modeling, it’s proving to be a remarkably powerful tool for our team…
Teaching Claude why
…that were far from the training distribution much more frequently than Claude Opus 4.5 or later models. Teaching Claude the constitution We hypothesized that the “difficult advice” dataset works because it…
Introducing Claude Design by Anthropic Labs
…Claude Design is powered by our most capable vision model, Claude Opus 4.7 , and is available in research preview for Claude Pro, Max, Team, and Enterprise subscribers. We’re rolling out…