Introducing Claude Opus 4.5
Announcements Introducing Claude Opus 4.5 Nov 24, 2025 Our newest model, Claude Opus 4.5, is available today. It’s intelligent, efficient, and the best model in the world for coding…
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Claude
Claude is an AI assistant developed by Anthropic that uses large language models to generate text and support conversational tasks.
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What kinds of guidance do people seek from Claude?
We sampled 1 million claude.ai conversations from March and April 2026 and filtered for unique users to get roughly 639,000 conversations. We then used a classifier to identify personal guidance, which we defined as conversations where people ask what they specifically should do in their personal lives—for example, questions that start with "Should I…?" or "What do I do about…?". We excluded questions that seek objective information or opinions in general terms. We categorized these roughly 38,000 conversations into nine domains, drawing from previous research on AI and guidance-giving: relati
How people ask Claude for personal guidanceTop stories
Teaching 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 Opus 4.6
Announcements Introducing Claude Opus 4.6 Feb 5, 2026 We’re upgrading our smartest model. The new Claude Opus 4.6 improves on its predecessor’s coding skills. It plans more carefully…
Claude for Financial Services
Product Claude for Financial Services Jul 15, 2025 Today, we're introducing a comprehensive solution for financial analysis that transforms how finance professionals analyze markets, conduct research, and make investment decisions with…
Project Vend: Can Claude run a small shop? (And why does that matter?)
…The shopkeeping AI agent—nicknamed “Claudius” for no particular reason other than to distinguish it from more normal uses of Claude—was an instance of Claude Sonnet 3.7, running for a…
Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench
Science Evaluating Claude’s bioinformatics research capabilities with BioMysteryBench Apr 29, 2026 In this post, Brianna , a researcher on the discovery team, shares results from a recent bioinformatics benchmarking effort. Almost as…
Eval awareness in Claude Opus 4.6’s BrowseComp performance
Engineering at Anthropic Eval awareness in Claude Opus 4.6’s BrowseComp performance BrowseComp is an evaluation designed to test how well models can find hard-to-locate information on the web…
Claude Code auto mode: a safer way to skip permissions
Engineering at Anthropic Claude Code auto mode: a safer way to skip permissions By default, Claude Code asks users for approval before running commands or modifying files. This keeps users safe, but…
Anthropic invests $100 million into the Claude Partner Network
Announcements Anthropic invests $100 million into the Claude Partner Network Mar 12, 2026 We’re launching the Claude Partner Network, a program for partner organizations helping enterprises adopt Claude. We’re committing…
Introducing advanced tool use on the Claude Developer Platform
Engineering at Anthropic Introducing advanced tool use on the Claude Developer Platform The future of AI agents is one where models work seamlessly across hundreds or thousands of tools. An IDE assistant…