An update on our election safeguards
… Before each model launch, we run evaluations to measure how consistently, thoughtfully, and impartially Claude engages with prompts that express views from across the political spectrum. …
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Introducing Claude Opus 4.8
… Also launching today In addition to Claude Opus 4.8, we’re making the following updates: Dynamic workflows . …
Introducing Claude Opus 4.7
… Also launching today In addition to Claude Opus 4.7 itself, we’re launching the following updates: More effort control : Opus 4.7 introduces a new xhigh “extra high” effort level between high and max , giving users finer control over the tradeoff between reasoning and latency on hard problems. …
Donating our open-source alignment tool
Alignment Donating our open-source alignment tool May 7, 2026 In October 2025, we launched Petri , an open-source toolbox of alignment tests that can be applied to any large language model. …
Project Glasswing: An initial update
Announcements Project Glasswing: An initial update May 22, 2026 Last month, we launched Project Glasswing , our collaborative effort to secure the world’s most critical software before increasingly capable AI models can be turned against it. …
Claude Fable 5 and Claude Mythos 5
… We’ve therefore launched the model with safeguards that mean queries on some topics will instead receive a response from our next-most-capable model, Claude Opus 4.8. …
An update on recent Claude Code quality reports
… A system prompt change to reduce verbosity Our latest model, Claude Opus 4.7, has a notable behavioral quirk relative to its predecessor: as we wrote about at launch, it tends to be quite verbose. …
Agents for financial services
… The full list of new agents is as follows: Research and client coverage Pitch builder creates target lists, runs comparables, and drafts pitchbooks for client meetings; Meeting preparer assembles client and counterparty briefs ahead of calls; Earnings reviewer reads transcripts and filings, updates… …
Measuring LLMs’ ability to develop exploits
… For a given vulnerability, the language model is provided with build information vulnerable source code and build scripts , vulnerability information proof-of-vulnerability; vulnerability description , runtime information compiled binary; launch script , and a remote target running the vulnerable e… …
Claude for Financial Services
… These partners provide tailored solutions across compliance, research, and enterprise AI adoption: Accenture helps financial services firms deploy and scale Claude across front, middle, and back office functions—from trading and research to compliance and customer experience Deloitte enhances resea… …