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…
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Claude
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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
Anthropic Economic Index report: Learning curves
…Learning curves}, date = {2026-03-24}, year = {2026}, url = {https://www.anthropic.com/research/economic-index-march-2026-report}, } Footnotes Related content Natural Language Autoencoders: Turning Claude’s thoughts into text AI…
Widening the conversation on frontier AI
…This work is in its early phases, but we hope these conversations might inform the practical work of developing Claude, such as the content of Claude's constitution, the values we train…
How we contain Claude across products
…Claude Cowork's egress allowlist correctly passed traffic to api.anthropic.com—the product can't function without calling our own API. In this case, a malicious file placed in the user…
Anthropic raises $65B in Series H funding at $965B post-money valuation
…This latest funding is expected to advance our safety and interpretability research, expand compute to meet growing demand for Claude, and scale the products and partnerships our customers rely on. “Claude is…
Project Vend: Phase two
…Turning Claude’s thoughts into text AI models like Claude talk in words but think in numbers. In this study we train Claude to translate its thoughts into human-readable text. Donating…
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…
Anthropic Economic Index report: Cadences
…Chat and Cowork provide more explanations than Claude Code, for example. The nature of the output also shapes people’s interactions with Claude. Building a website leaves much more to Claude's…
Trustworthy agents in practice
…The most direct way that users stay in control of Claude is by deciding what Claude can and can't do. In Claude.ai and Claude Desktop, users can choose which tools…
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…