Agents for financial services
…Our investment professionals live in data and analytical models, and Claude for Excel meets them there. Analysts are using it to build and update coverage models, separate signal from noise, and pressure…
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What’s next?
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 4.8Teaching Claude why
Alignment Teaching Claude why May 8, 2026 Last year, we released a case study on agentic misalignment . In experimental scenarios, we showed that AI models from many different developers sometimes took egregiously…
Claude Fable 5 and Claude Mythos 5
…The longer and more complex the task, the larger Fable 5’s lead over our other models. Releasing a model this capable comes with risks. Without safeguards, Fable 5’s capabilities in…
Introducing Sonnet 4.6
Product Introducing Claude Sonnet 4.6 Feb 17, 2026 Claude Sonnet 4.6 is our most capable Sonnet model yet . It’s a full upgrade of the model’s skills across coding…
Claude for Creative Work
…Today, we’re releasing a set of connectors—tools that let Claude work alongside the software creative professionals rely on, so creatives can extend their reach. Connecting Claude to creative tools Connectors…
Emergent introspective awareness in large language models
Interpretability Signs of introspection in large language models Oct 29, 2025 Read the paper Have you ever asked an AI model what’s on its mind? Or to explain how it came…
AI agents find smart contract exploits
…To evaluate exploitation capabilities over time, we plotted the total exploit revenue of each model against its release date, using only the contracts that were exploited after their knowledge cutoffs to control…
LLM-discovered 0 days
…and Kyla Guru * indicates equal contribution Claude Opus 4.6, released today , continues a trajectory of meaningful improvements in AI models’ cybersecurity capabilities. Last fall, we wrote that we believed we were…
LLMs and biorisk
…When Anthropic released Claude Opus 4, we activated AI Safety Level 3 (ASL-3) protections, which included deployment measures narrowly focused on preventing the model from assisting with certain tasks related to…
Values in the wild: Discovering and analyzing values in real-world language model interactions
…An initial update An early update on what we've learned from Project Glasswing.