Releases

Anthropic released Claude Opus 4.6 with stronger coding, longer-running agentic work, improved knowledge work, and a one-million-token context window in beta.

Anthropic named the Allen Institute and Howard Hughes Medical Institute as founding life-sciences partners to develop specialized AI agents and accelerate scientific discovery.

Anthropic expanded Labs as a dedicated team for incubating experimental products at the frontier of Claude's capabilities.

Anthropic released Cowork as a research preview, bringing Claude's agentic capabilities to desktop work across files and applications.

Anthropic introduced HIPAA-ready Claude tools and resources for healthcare providers, payers, health-tech companies, and individuals, alongside expanded life-sciences capabilities.

Anthropic and the US Department of Energy announced a multi-year partnership supporting energy, life-sciences, and scientific-productivity work across national laboratories.

Anthropic donated MCP to the Linux Foundation's Agentic AI Foundation while retaining its open, community-driven governance model.

Anthropic expanded Claude for Chrome beyond the waitlist to all Claude Max subscribers.

Anthropic released Claude Opus 4.5 for coding, agents, computer use, research, and professional work.

Anthropic and Microsoft expanded their partnership, bringing Claude models to Microsoft Foundry and Microsoft 365 Copilot.

Anthropic launched a beta Excel add-in capable of reading, analyzing, modifying, and creating workbooks.

Anthropic launched connectors, skills, and domain support for scientific and life-sciences workflows.

Anthropic introduced reusable Skills across Claude apps, Claude Code, and the API.

Anthropic released Claude Haiku 4.5, offering near-frontier coding performance at lower cost and latency.

Anthropic and Salesforce expanded their partnership to make Claude a preferred model for regulated Agentforce deployments.

Anthropic released an SDK exposing the agent-building infrastructure used by Claude Code.

Anthropic launched a refreshed Claude Code terminal interface, checkpoints, background tasks, subagents, and a native VS Code extension.

Anthropic released Claude Sonnet 4.5 with major gains in coding, computer use, agents, reasoning, and mathematics.

Anthropic agreed to a proposed $1.5 billion settlement with authors and publishers over pirated copies of books used in model development.

Anthropic completed a $13 billion Series F led by ICONIQ at a $183 billion post-money valuation.

Anthropic disclosed that annualized revenue had exceeded $5 billion by August 2025.

Anthropic released Claude Opus 4.1 with improvements to agentic tasks, coding, and reasoning.

Anthropic launched an integrated financial-analysis solution with data connectors, Claude Code, and enterprise deployment support.

Anthropic expanded access and deployment support for approved US national-security customers.

Anthropic appointed Netflix co-founder Reed Hastings to its board of directors.

Anthropic activated ASL-3 deployment and security protections alongside the launch of Claude Opus 4.

Anthropic moved Claude Code from research preview to general availability and expanded its integrations.

Anthropic released Claude Opus 4 and Claude Sonnet 4 for coding, advanced reasoning, and agent workflows.

Anthropic released a web search tool for developers building Claude-powered applications.

Anthropic launched a program providing API credits to researchers pursuing high-impact scientific projects.

Anthropic launched remote MCP integrations and expanded Claude Research across web, workspace, and connected tools.

Anthropic launched Research for multi-step cited investigation across the web and Google Workspace.

Anthropic launched Claude Max with substantially higher usage limits for frequent individual users.

Anthropic announced its first developer conference focused on building with Claude and Claude Code.

Anthropic launched Claude for Education for universities, including a learning mode and institution-wide deployments.

Anthropic updated its Responsible Scaling Policy to version 2.1.

Anthropic published interpretability research tracing internal mechanisms underlying multilingual reasoning, planning, and unfaithful explanations.

Anthropic launched web search for Claude, enabling current answers with direct citations.

Anthropic released API features designed to reduce token use and improve long-running agent workflows.

Anthropic upgraded its developer Console with tools for prompt development, evaluation, collaboration, and production deployment.

Anthropic raised $3.5 billion led by Lightspeed Venture Partners at a $61.5 billion post-money valuation.

Anthropic launched a public Transparency Hub describing its safety, governance, security, and responsible-deployment practices.

Anthropic introduced Claude Code as a terminal-based agentic coding tool in limited research preview.

Anthropic released Claude 3.7 Sonnet, its first hybrid reasoning model with standard and extended-thinking modes.

Anthropic launched the Economic Index to measure how AI is being used across occupations and tasks.

Anthropic published and tested Constitutional Classifiers, a safeguard approach designed to resist broad classes of jailbreaks.

Google reportedly made an additional $1 billion investment in Anthropic, deepening its existing investment and cloud relationship.

Anthropic and Redwood Research published evidence of alignment-faking behavior in a controlled Claude 3 Opus experiment.

Anthropic reduced Claude 3.5 Haiku pricing to $0.80 per million input tokens and $4 per million output tokens.

Anthropic introduced and open-sourced MCP, its specification, SDKs, local Claude Desktop support, and reference servers.